A4 Network Laser Printer EPSON EPL-N1600 ® 4009770
Notice All rights reserved. No part of this manual may be reproduced, stored in a retrieval system, or transmitted in any form or by any means electronic, mechanical, photocopying, or otherwise, without the prior written permission of SEIKO EPSON CORPORATION. All effort have been made to ensure the accuracy of the contents of this manual. However, should any errors be detected, SEIKO EPSON would greatly appreciate being informed of them.
PRECAUTIONS Precautionary notations throughout the text are categorized relative to 1)Personal injury and 2) damage to equipment. DANGER Signals a precaution which, if ignored, could result in serious or fatal personal injury. Great caution should be exercised in performing procedures preceded by DANGER Headings. WARNING Signals a precaution which, if ignored, could result in damage to equipment.
About This Manual This manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of EPL-N1600. The instructions and procedures included herein are intended for the experienced repair technicians, and attention should be given to the precautions on the preceding page. Contents Symbols Used in This Manual This manual consists of six chapters and Appendix. CHAPTER 1. PRODUCT DESCRIPTIONS Provides a general overview and specifications of the product.
Safety Information To prevent accidents during a maintenance procedure, strictly observe the Warnings and Cautions. Do not do anything that is dangerous or not within the scope of this document. Do not do anything that is dangerous even if not specifically described in this manual. In addition to the descriptions below and those given in this manual, there are many situations and circumstances that are dangerous. Be aware of these when you are working with the printer.
MECHANICAL COMPONENTS Safety Components If you service a driving assembly (e.g., gears), first turn off the power and unplug the power cord. Then manually rotate the assembly. The printer is equipped with safety components (e.g., interlock switches, fuses, thermostat) and safety switches for protecting users and service personnel from injury and the equipment from damage. W A R N IN G Do not touch the driving part (e.g., gears) while the assembly (printer) is being driven.
Warning/Caution Labels WARNING and CAUTION labels are stuck on dangerous parts in the printer to make you aware of the potential dangers that are present when you are working with those parts. ROS ASSY. The laser beam used in this printer is invisible and it has a narrower frequency band and more coherent phases than any other light (sunlight, electric light). It has excellent monochromaticity and convergence. A thin laser beam reaches long distances.
FUSER ASSY. To prevent you from becoming injured or burned, do the following before working with a high temperature Assembly (e.g., Fuser Assembly): turn off the printer. Unplug the power cord. Wait until it cools down. W A R N IN G The high temperature Assembly is very hot immediately after any printer operations. Wait at least 40 minutes before you start working on the printer.
General Cautions Some materials (e.g., Developer or Fuser Oil) may cause bodily injury. Do not swallow or inhale these materials or allow them to come in contact with the eyes. Help to protect those around you and follow the prohibitions against swallowing or inhaling those materials. Be careful to protect the eyes at all times. Place a sheet under the printer so that the floor or workbench is protected.
Revision Status Revision Issued Date Description Rev. 0 August 17, 1998 Preliminary release. (intended for service training purpose only) Rev. A October 30, 1998 First issue.
E P S O N E P L -N1 6 0 0 Table of Contents Product Description Operating Principles OVERVIEW .................................................................................................. 14 CONSUMABLES AND OPTIONS ........................................................... 14 OVERVIEW .................................................................................................. 38 Electrophotographic Printing ...................................................................
E P S O N E P L -N1 6 0 0 Control Panel......................................................................................... 106 Cover Assembly MBF.E ........................................................................ 107 Tray Assembly MBF.E........................................................................... 108 Cover Assembly,E ...................................................................................... 109 Cover Assembly Exit,E.....................................................
PRODUCT DESCRIPTION
EPSON EPL-N1600 1.1 OVERVIEW The EPL-N1600 is the latest in EPSON’s advanced lines of laser printers and offering the following features. Chapter 1 1.1.1 CONSUMABLES AND OPTIONS The following table lists the EPL-N1600’s consumables and supported options. Table 1-1. Consumables and Options High-speed printing Prints 16 pages per minute on A4 paper. High resolution Prints at 600dpi, with further enhancement provided by RITech (Resolution Improvement Technology) and Enh. MG (Enhance MicroGray).
EPSON EPL-N1600 Chapter 1 1.2 SPECIFICATIONS Paper Supply: This section describes the basic specifications of the EPL-N1600. 1.2.1 ENGINE SPECIFICATIONS Printing method: Electro-photographic printing, utilizing semiconductor laser beam scan and singlecomponent magnetic toner Resolution: 600DPI Printing speed: 15.7 PPM (A4) 16.6 PPM (Letter) 11.3 PPM (A4) 11.7 PPM (Letter) 15.2 PPM (A4) 16.
EPSON EPL-N1600 Chapter 1 1.2.2 PAPER SPECIFICATIONS Guaranteed print area: Product Description Entire paper area, excluding 4.0 mm from each edge of the paper. Paper sources and size : As shown in the table below. NOTE: In case of duplex printing, the printable area is limited to 6.0 mm from the bottom edge. Table 1-3.
EPSON EPL-N1600 Prohibited paper types: Chapter 1 The following paper types should never be used. Attempts to feed these paper types may result in inferior print quality, paper jams, and damage to the printer.
EPSON EPL-N1600 Chapter 1 1.2.4 ELECTRICAL SPECIFICATIONS Power Requirements: Dielectric Strength: Insulation shall not break down when the following voltage is applied between primary circuit and chassis for 1 minute: *100V model: AC1000V *200V model: AC1500V Leakage Current: 3.5mA or less See table below. Table 1-4. Power Supply Specification Item 100V Model 200V Model Input Voltage 120V ±10% (90 to 132V) 220 - 240V ±10% (198 to 264V) 50 - 60Hz ±3Hz 50 - 60Hz ±3Hz 6.5A 3.
EPSON EPL-N1600 Chapter 1 1.2.7 ENVIRONMENTAL SPECIFICATIONS CONSUMABLES Table 1-7. Environmental Conditions - Consumables MAIN UNIT AND CONSUMABLES Temperature and humidity: See table below. (The conditions below are applicable for both the main unit and consumables.) Table 1-6.
EPSON EPL-N1600 Chapter 1 Product Description 1.2.8 OPERATING CONDITIONS Temperature: 10 to 32°C Humidity: 20 to 80%RH (without condensation) Air Pressure (Altitude): 760hPa or more (below 2500m) Tilt: 5° or less Ambient Illumination: 3000 lux or less (Must avoid direct sunlight.) Space Requirement: To ensure proper operation of the printer, sufficient open space must be left around printer, as indicated in the illustration below.
EPSON EPL-N1600 Chapter 1 1.2.9 SAFETY APPROVAL Others: Safety Regulation Model Applicable Standard 100V Model • UL 1950 • CSA 22.2 No.950 200V Model • TUV-GS (EN60950) Safety Regulation (Laser Radiation) Model Applicable Standard 100V Model FDA (NCDRH) Class 1 200V Model TUV-GS (EN60825) Product Description No effect on human health. (In compliance with OSHA, TSCA, EINECS, woker safety laws and CSCL) No effect on human health.
EPSON EPL-N1600 Chapter 1 1.2.10 RELIABILITY, DURABILITY AND MAINTENABILITY MPBF: Life: MTTR: Jam Rate: 120,000 sheets (Average number of sheets printed between failures, where "failure" indicates a condition that requires part replacement or that cannot be corrected by user.) Print Start Position: Using standard paper from paper tray or cassette; Target position (c) ±2.5mm Target position (a) ±2.
EPSON EPL-N1600 Chapter 1 Product Description 1.2.11 EXTERNAL DIMENSIONS AND WEIGHT Dimensions: See table below and illustration on right. Table 1-9. Dimensions Width (mm) Item Depth (mm) Height (mm) EPL-N1600(Main unit) 421 420 264 Lower Paper Cassette Unit (C812902) 396 389 114 (With main unit) 421 420 379 Duplex Unit (C812932) 396 517 254 (With main unit) 421 542 325 Full option 421 542 441 Weight: Approx. 13Kg (excluding consumables and options) Figure 1-4.
EPSON EPL-N1600 Chapter 1 Product Description 1.3 INTERFACE SPECIFICATIONS The EPL-N1600 supports the following interfaces. Table 1-10.
EPSON EPL-N1600 Chapter 1 Product Description 1.3.2 Serial Interface Type: RS-232C (conforms to EIA) Transmission: Full duplex Synchronization: Table 1-11. Serial I/F (RS-232C) Pin Assignment Pin Signal I/O *1 2 TXD Out 3 RXD In Received data. This pin transmits data from the computer to the printer. 5 CTS In Always ignored. Asynchronous Description Transmits data. This pin transmits serial data from the printer to the computer.
EPSON EPL-N1600 Chapter 1 Product Description 1.4 OPERATING SPECIFICATIONS LCD PANEL The control panel of the EPL-N1600 includes a variety of buttons and indicator lamps, together with an LCD. The user can use the panel to select the printer's operating mode, to set the various printer functions, and to view settings and status information.
EPSON EPL-N1600 BUTTONS OnLine button Toggles printer ONLINE state on and off. (If printer is in one of the setup modes, this switch releases the mode and sets the printer to ONLINE state.) Form Feed button If the printer contains data but is not enabled for printing (if Form Feed lamp is on), this switch causes printer to output printing results and eject the paper. (This button does not cause ejection if Form Feed lamp is off.
EPSON EPL-N1600 Chapter 1 Product Description 1.4.1 Panel Settings 1.4.1.2 SelecType Mode This section explains the printer's three panel-setting modes. SeleType mode presents a variety of menus. Table below shows the mode's switch operations and available settings. 1.4.1.1 OneTouch Mode Table 1-13. SelecType Mode Menu The printer offers two quick-set modes: OneTouch mode 1 and OneTouch mode 2. You can select either of these modes by pressing the SelecType button as necessary.
EPSON EPL-N1600 MENU Button Config Menu Setup Menu Chapter 1 ITEM Button RITech Toner Save Density Top Offset Left Offset Size Ignore Auto Cont Page Protect Image Optimum ON / OFF OFF / ON 1/2/3/4/5 -9.0 - 0.0 - 99.0 (step: 0.5mm) -9.0 - 0.0 - 99.0 (step: 0.5mm) OFF / ON OFF / ON Auto / ON Auto / OFF / ON Interface Time Out Standby*24 Lang Auto / Parallel / Serial / AUX*2 0, 5 - 60 - 300 Enable / Disable English / Français / Deutsch / ITALIANO / ESPANOL / SVENSKA / Dansk / Nerderl.
EPSON EPL-N1600 MENU Button PS Menu*1 ESCP2 Menu FX Menu Chapter 1 ITEM Button Err Sheet MicroGray Protect Level OFF / ON ON / OFF 1-5 Font Courier / Prestige / Roman / Sans serif / Roman T / Orator S / Sans H / Script / OCR A / OCR B 10cpi / 12cpi / 15cpi / Prop. OFF / ON 0.40 - 0.5 - 1.50 (step:0.05") 1 - 66*4 - available (max 81) PcUSA / Italic / PcMultilin / PcPortugue / PcCanFrenc / PcNordic / PcTurkish2 / PcE.
EPSON EPL-N1600 Chapter 1 1.4.2 Printer Status Messages Message Reset to Save The table below lists the printer status messages that are displayed on the LCD panel. Service Req.
EPSON EPL-N1600 Chapter 1 Product Description 1.4.3 Initialization Process The following tables shows the process carried out for each of the printer's three initialization types. Table 1-15. Initialization Type Trigger Processing Reset Press "Continue" button while holding down "ALT" button • Cancels all data processing and all completed print jobs. • Deletes all data stored in the receive buffer for the currently active interface. (Retains data for other interfaces.) • Clears error condition.
EPSON EPL-N1600 Chapter 1 1.4.4 Special Functions Table 1-16. .Special Function Mode/Operation Built-in special fucntion can be selected by turning on the printer while holding down the specific combination of button(s). The table below explains each operation C A U T IO N All special functions (with the exception of hex dumps) are intended for service technicians only and are not documented in the user manual. Please handle these operations with due care.
EPSON EPL-N1600 Chapter 1 Product Description 1.4.5 OTHER SPECIFICATIONS 1.4.5.2 Program-ROM Specifications This section presents information related to product distribution and handling. The printer's control program is provided on a ROM board which mounts into the ROM-DIMM slot on the main board. The printer will include one of the ROM boards indicated in the table below. 1.4.5.1 Jumper Settings Table 1-18.
EPSON EPL-N1600 Chapter 1 Product Description 1.4.5.3 RAM Capacity If the printer does not have sufficient RAM capacity to complete normal printing, it will display one of the following two error messages. "Insufficient memory" "Mem Overflow" "Need Memory" These messages indicates that the printer does not have enough memory to execute the specified printing. The problem can be resolved either by installing (or increasing) expansion RAM or by reducing the receive-buffer size. 1.4.5.
OPERATING PRINCIPLES
EPSON EPL-N1600 Chapter 2 Operating Principles 2.1 OVERVIEW 2.1.1 Electrophotographic Printing This chapter explains the functions and operating principles of engine mechanism and controller of the EPL-N1600. Like other EPSON page printers, the EPL-N1600 also using the electrophtographic prinitng system combined with a semi-conductor laser beam scanning system, as illustrated below. . Figure 2-1. Electrophotographic Process Components Rev.
EPSON EPL-N1600 Chapter 2 Operating Principles Table 2-1. Electrophotographic Printing Process Step Process Explanation 1 Charging In this process, electric discharge from the BCR (Bias Charge Roll) generates a uniform negative charge on the surface of the OPC (Organic Photconductor) drum located within the Imaging Cartridge.The BCR is a conductive roller positioned in contact with the OPC drum, The HVPS ASSY applies a bias voltage (a negative DC bias voltage superposed on an AC voltage) to the BCR.
EPSON EPL-N1600 Chapter 2 Operating Principles 2.1.2 Paper Transportation The illustration below is a cut-section view of the engine mechanism and it shows the paper path and the major engine components relating to the paper transportation. Figure 2-2. Engine Components for Paper Transportation Rev.
EPSON EPL-N1600 2.1.3 Main Engine Components Function Chapter 2 Paper Cassette: Universal paper cassette that can hold six regular sizes of plain paper cut sheets up to 250 sheets. Adjusting the Back Stopper makes the Actuators on the left side of the Cassette in a combination corresponding to the position of the Back Stopper. The Actuators press their corresponding prongs of the Spring Size, which in turn actuate the corresponding Paper Size Switches of the Sensor Assembly-Size 1. PWB ASSY.
EPSON EPL-N1600 PAPER TRANSPORTATION I Chapter 2 Operating Principles Drive ASSY. : This unit distributes a drive that transmitted from the main motor, to Feed Rolls (Roll Assembly Feed and Roll Assembly MBF), Turn Rolls (Roll Assembly Turn), and also to the optional units Solenoid Feed: Releases the drive gear of the Roll Assembly Feed to allow the gear to rotate when actuated and latches the gear when the gear rotates one turn.
EPSON EPL-N1600 PAPER TRANSPORTATION I REAR Chapter 2 Operating Principles Chute Exchange: Switches the paper path between the exit to the Face Down Delivery Tray on the top of the Cover Assembly Exit and the exit to the optional Duplex Unit or Face Up Catch Tray. Solenoid Exchange: Switches the position of the Chute Exchange. Sensor Photo and Actuators Exit-2/L and 2/S: These Actuators and Sensor detect when paper passes the position just before the exit to the Face Down Delivery Tray.
EPSON EPL-N1600 PAPER TRANSPORTATION II (1) Chapter 2 Lever Jam Clear: Operating Principles This lever is pressed down by the Cover Assembly Exit and presses the Roll Pinch PreRegistration against the Roll Assembly Turn. When the Cover Assembly Exit is open, the Lever Jam Clear is released and releases the Roll Pinch Pre-Registration. This makes jam clear easier.
EPSON EPL-N1600 PAPER TRANSPORTATION II (2) Chapter 2 Operating Principles Solenoid MBF and Gear MBF: Control the start and stop of the rotation of the Roll Assembly MBF. When the Solenoid MBF is actuated, the MBF Gear is unlatched and engages with the driving gear. The Gear MBF then begins to rotate, causing the Roll Assembly MBF to rotate. After one revolution, the Gear MBF disengage from the driving gear and is latched by the Solenoid MBF.
EPSON EPL-N1600 FUSING AND PAPER EXIT Rev. A Chapter 2 Operating Principles Sensor Assembly Photo Exit and Actuator-Exit: Detect when paper passes the position just after the Fuser. Roll Pressure: A roll with sponge rubber attached around a metal shaft. The Roll Pressure is pressed up by the springs and applies pressure to the paper passing between itself and the Roll Fuser. Fuser Unit: Roll Fuser: A hollow, surface-coated metal tube that is heated by the Heater lamp held inside the roller.
EPSON EPL-N1600 Chapter 2 Operating Principles Thermostat: Connected in series with the Heater Lamp. The Thermostat functions as the second-stage overheat protection. If the first stage fails to prevent a Fuser overheat, the Thermostat opens the power supply circuit to the Heater Lamp. This Thermostat opens at about 160 °C (inside temperature). Fuse: A thermal fuse connected in series with the Heater Lamp. The Fuse functions as the thirdstage overheat protection.
EPSON EPL-N1600 XEROGRAPHIC MODULES Chapter 2 ROS ASSY: Operating Principles The ROS (Raster Output Scanner) Assembly scans a laser beam on the drum surface. The ROS Assembly consists of two major components: PWBA LD and Scanner Assembly. Basic Operation: The Laser Diode (LD) of the PWBA LD emits laser light. The LD is switched on and off according to the print image signal during printing. The power of the laser light is monitored by the monitor circuit and controlled to be a constant power.
EPSON EPL-N1600 Chapter 2 which is generated by converting the current flowing through the monitoring Photodiode (PD) integrated in the LD into an analog output voltage by means of a resistor. Scanner Motor Control: The Polygon Mirror is rotated by the Scanner Motor (also called ROS Motor). The Scanner Motor is driven at a constant speed by the Scanner Motor Drive Circuit using a phaselocked loop (PLL). Mirror ASSY: The Mirror Assembly consists of Mirror M1, Shutter and PWBA SOS.
EPSON EPL-N1600 Chapter 2 BTR: The BTR (Bias Transfer Roll) is in contact with the Drum and rotates along with the Drum being driven by the Drum Gear. The BTR applies a positive charge to the back side of the paper when the paper travels between the BTR and the Drum. The toner image transfers from the Drum surface to the front side of the paper being attracted by the positive charge on the back side of the paper.
Rev.
EPSON EPL-N1600 DRIVE MODULES Rev. A Chapter 2 Operating Principles Drive ASSY. Main: Includes the Motor Assembly Main (Main Motor) and the Gear Cluster. The Main Motor generates the drive power, and the Gear Cluster distributes the drive power to the Roll Assembly Registration, Drum and BTR, and Drive Assembly-F/P. Drive ASSY.
EPSON EPL-N1600 ELECTRICAL MODULES Chapter 2 Operating Principles Fan IOT: Expels the air inside the printer and introduces fresh air into the printer to prevent an excessive rise of the inside temperature. HPS: Has the Main Power Switch, Interlock Switch, Sensor Registration, Sensor Pre-Registration, Sensor No Paper, LVPS (Low Voltage Power Supply) circuit, and HVPS (High Voltage Power Supply) circuit on it.
EPSON EPL-N1600 FRAME Chapter 2 Operating Principles Actuator Assembly Link Interlock Switch, and Link Interlock Switch: When the Cover Assembly Exit is closed, a molded projection of the Cover Assembly Exit presses down the Actuator Assembly Link Interlock Switch, which in turn press the Link Interlock Switch to the Interlock Switch. The Interlock Switch is therefore held On when the Cover Assembly Exit is closed.
EPSON EPL-N1600 Chapter 2 2.1.4 Main Control Circuit Table 2-2. C258MAIN BOARD - Main Control Circuit Component The main control circuit of the EPL-N1600 is the C258MAIN Board and it consists of two sections: the main control circuitry and the engine control circuitry (MCU). The following tables describe the main components of each section. Operating Principles Location Operation CPU (VR4310) µPD30200GD IC1 A RISC CPU running at 150MHz. Controls the board’s main control section.
TROUBLESHOOTING
EPSON EPL-N1600 Chapter 3 3.1 OVERVIEW This section describes the possible steps to troubleshoot and repair the printer. Due to a complexity of the laser printer, most effective approch to troubleshoot the problem is either checking the printer in accordance with the error message displayed by the printer or the printed image quality. Table 3-1. Service-Call Errors Error Type “e” Error Code “ffff” E (Engine) 0003 Fusing ASSY. Problem 0004 ROS Assy.
EPSON EPL-N1600 Error Type “e” Error Code “ffff” C (Controller) 0800 Rev. A Chapter 3 Troubleshooting Description IPL Error (controller failure) 1000 Standard RAM Error (no RAM, etc.) 1001 Standard RAM Error (no minimum stack area, etc.) 1002 Standard RAM Error (less than standard size, etc.
EPSON EPL-N1600 Chapter 3 3.1.2 Printer Messages Priority The LCD panel of the control panel unit is used to display various printer status and error condition. There are three types of message displayed by the printer: Status Message, Error Message and Warning Message. The table below lists all messages displayed by the printer. The order of list is corresponding to a display priority of each message. Table 3-2. Printer Messages Priority Higher Rev. A Message Type Service Req.
EPSON EPL-N1600 Chapter 3 3.1.2.1 Status Messages LED The table below shows the Status message displayed by the printer and the meaning of each message. Table 3-3. Printer Message - Status LED Description Action ROM check Online: Continue: The printer is checking checksumm and format of program ROM. ----- Online: Continue: The printer is checking function and capacity of RAM memory. ----- Onlin: Continue: The printer is performing diagnostics and initialization process.
EPSON EPL-N1600 Chapter 3 3.1.2.2 Error Messages LED The table below lists the error messages and an operation to be performed. When any error state is detected by the printer, the Online LED goes off and the Conitnue LED indicates the following three conditions. Continue LED = OFF: If the error condition can be removed, the printer restarts automatically without pressing the Continue button. Continue LED = Blink: The printer restarts when the Continue button is pressed.
EPSON EPL-N1600 LED Chapter 3 Description Action Jam in Duplex Cover Online: OFF Continue: OFF A paper jam has occured in a rear cover of the Duplex unit. LED Open the top cover and install the imaging cartridge. Paper Set sssss tttt The top cover is open. Close the top cover. A rear cover of the Duplex Unit is open. Close the cover. The tray is not set inside the Duplex Unit. Reinstall the tray.
EPSON EPL-N1600 LED Chapter 3 Description Action Print Overrun Online: OFF Continue: Blink LED Description Troubleshooting Action Mem Overflow Due to complexity of print job data, the printer is unable to continue the data process and causing an overrun. 1. If “Auto Cont=OFF”: The error can be cancelled by either: • Press Continue button causes the printer to retry printing with all available vacant memory.
EPSON EPL-N1600 LED Chapter 3 Description Troubleshooting Action Duplex Mem Overflow Online: OFF Continue: Blink The available memory is insufficient to process the data for second face of duplex printing. The printer only prints first face and eject the page. 1. If “Auto Cont=OFF”: The error can be cancelled by either: • Press Continue button causes the printer to reprocess the data for second face and print it on the second face of nnext page.
EPSON EPL-N1600 Chapter 3 3.1.2.3 Warning Messages LED The table below lists the warning messages. The Warning message is only displayed on the LCD panel and the state is not affect the printer’ s operation. Online: Continue: Table 3-5. Printer Message - Warning LED Description Action Duplex Print was Off Online: Continue: Printing was performed with a paper that not supported for duplex printing. • Envelopes • OHP • Thick papers Press Continue button to cancel the warning.
EPSON EPL-N1600 Chapter 3 Troubleshooting 3.2 Troubleshooting 3.2.1 Troubleshooting with Error Messages The basic troubleshooting is divided into three catogories and the procdures to follow for proceeding the troubleshooting is outlined in the flowchart shown below. 1.1 SERVICE REQ E0008 Read or write error is occured with the EEPROM on the Engine control circuit. Step Actions and Questions Yes No SUSPECT COMPONENTS The following components are associated with this specific problem.
EPSON EPL-N1600 Chapter 3 Troubleshooting 1.2 SERVICE REQ E0004 Step The ROS (Raster Output Scanner) Assy. is defective. Step Actions and Questions Yes 3 No SUSPECT COMPONENTS The following components are associated with this specific problem. One or more of these components may have failed partially or completely. If you cannot isolate the problem using this FIP, replace each component listed below, one at a time, until the problem disappears.
EPSON EPL-N1600 Chapter 3 Step 1.3 SERVICE REQ E0003 Actions and Questions Yes 1 2 TEMPERATURE SENSORS 1. Unplug J292 from P/J291. 2. Check the continuity between the two black wires on J292 (Leading to the Sensor Assembly Temperature). 3. Check the continuity between the two white wires on J292 (leading to the Sensor Assembly Temperature). Are there a few hundreds ohms between the two black wires and between the two white wires on J292? Go to step 2. HEATER LAMP CIRCUIT 1.
EPSON EPL-N1600 Chapter 3 Troubleshooting 1.4 SERVICE REQ E0005 Fan IOT unit or Duplex Unit Fan is in trouble. Step Actions and Questions Yes No SUSPECT COMPONENTS The following components are associated with this specific problem. One or more of these components may have failed partially or completely. If you cannot isolate the problem using this FIP, replace each component listed below, one at a time, until the problem disappears.
EPSON EPL-N1600 Chapter 3 Step 1.5 ERROR MESSAGE “PRINTER OPEN” Actions and Questions SUSPECT COMPONENTS The following components are associated with this specific problem. One or more of these components may have failed partially or completely. If you cannot isolate the problem using this FIP, replace each component listed below, one at a time, until the problem disappears. • Interlock Switch actuating mechanism • Interlock Switch (on HPS) • HPS • PWBA Hotaru • C258MAIN Board Rev.
EPSON EPL-N1600 Chapter 3 Troubleshooting 1.6 ERROR MESSAGE “EXITING PAPER JAM” 1.7 ERROR MESSAGE “PAPER JAM” Check if this error message appears even if no paper Jam in the paper exit section has been occured. Check if this message appears even if no paper jam over the Sensor Registration or between the Sensor Registration and the Sensor Exit has been occured. Step Actions and Questions Yes No SUSPECT COMPONENTS The following components are associated with this specific problem.
EPSON EPL-N1600 Step Actions and Questions Chapter 3 Yes No 4 PAPER SIZE AND WEIGHT Are the size and weight of the paper used within the paper specification? Go to step 5. Use paper within the specification. 5 DRIVE ASSEMBLY MAIN Does the Main Motor run and do the gears of the Drive Assembly rotate normally? Go to step 6. Replace the Drive Assembly Main.
EPSON EPL-N1600 Chapter 3 Step 1.8 ERROR MESSAGE “INSERT IMAGING CRTG” Actions and Questions Yes 1 Remove and reinstall the imaging Cartridge. Does this error message still appear? No Reseat the HPS to make sure that the conductor strips for applying the voltages of the HPS to the BCR, Magnet Roll, and BTR are in complete contact with the corresponding conductors on the HPS. Does this error message still appear? Go to step 3. Problem solved. 3 PWBA HOTARU (PL7.2.4) 1. Remove the PWBA Hotaru. 2.
EPSON EPL-N1600 Chapter 3 Troubleshooting 1.9 ERROR MESSAGE “INSERT LC1” This error message is displayed when the printer detects that the upper Paper Cassette is not in place. If this error message is displayed though the upper Paper Cassette is installed, locate and eliminate sources of the problem following the procedure below. Step Actions and Questions Yes No SUSPECT COMPONENTS The following components are associated with this specific problem.
EPSON EPL-N1600 Chapter 3 3.2.2 Troubleshooting with Printer Operation Step Actions and Questions Yes 1 AC POWER CORD Inspect the AC Power Cord. Go to step 2. Is the AC Power Cord plugged into the back of the printer, and is the other end plugged into an AC wall outlet? 2 AC POWER Check the voltage at the wall outlet. Go to step 5. Replace the HPS. 5 +5 VDC POWER SUPPLY Go to step 6. 1. Remove the C258MAIN. 2.
EPSON EPL-N1600 Step 7 Actions and Questions HPS Chapter 3 Yes Go to step 8 No Replace HPS. Step 9 1. Remove Cover Assembly Main. 2. Disconnect J222 of the Fan IOT from the HPS. 3. Check the voltage between P/J222-3 and P/J222-1 Is there +24VDC between P/J222-1 and P/J222-3? Note: Steps 8 through 16 attempt to isolate a faulty component that might be loading down the Power Supply. 8 C258MAIN Board 1. Reinstall the C258MAIN leaving all the connectors disconnected. 2.
EPSON EPL-N1600 Step 11 Actions and Questions SOS ASSEMBLY 1. Reconnect J22 to CN222 of the C258MAIN. 2. Check the voltages between: CN231-A10 and FG CN231-A11 and FG CN231-B11 and FG Is there +5VDC between CN231 and FG? Chapter 3 Yes Troubleshooting No Go to step 12. Replace the Mirror Assembly. Go to step 13. Replace the Solenoid Exchange. 1. Check the voltage between P/J222-3 and P/J222-1. Is there +24VDC between P/J222-1 and P/J222-3? 12 SOLENOID EXCHANGE 1.
EPSON EPL-N1600 Step 13 Actions and Questions SENSOR ASSEMBLY-SIZE 1 1. Reconnect J24 to CN224 of the C258MAIN. 2. Check the voltages between: CN231-A10 <=> FG CN231-A11 <=> FG CN231-B11 <=> FG Is there +5VDC between CN231 and FG? Chapter 3 Yes Go to step 14. No Replace the Sensor Assembly- Size 1. 1. Check the voltage between P/J222-3 and P/J222-1 Is there +24VDC between P/J222-1 and P/J222-3? 14 SENSOR ASSEMBLY TEMPERATURE 1. Reconnect J28 to CN228 of the C258MAIN. 1.
EPSON EPL-N1600 Chapter 3 Step 2.2 ABNORMAL PRINT OPERAITON Step Actions and Questions Yes 1 Does the printer enter a print cycle? 2 +5 VDC POWER SUPPLY Go to step 3. 1. Remove the C258MAIN. 2. Check the voltage between: P31-A10 and FG P31-A11 and FG P31-B11 and FG Is there +5VDC between P31 and FG? Go to step 3. Yes No 4 Does the printer still exhibit erratic operation? Go to step 5. Problem solved. 5 Replace the C258MAIN. Does the printer still exhibit erratic operation? Go to step 6.
EPSON EPL-N1600 Chapter 3 Step 2.3 ELECTRICAL NOISE Step Actions and Questions Yes 1 EXTERNAL NOISE 1. Check if there is other electrical equipment, such as electrical generators, radio transmitters, or devices using electrical motors, near the printer. 2. Shut off the other electrical equipment, or relocate the printer away from the other devices. Is the electrical noise problem still present? Go to step 2. Permanently relocate either the printer or the problem devices.
EPSON EPL-N1600 Chapter 3 Troubleshooting 3.2.3 Troubleshooting with Print Image Quality This section describes the checkpoints for troubleshooting the printer by referring the print image quality. Step Problem • • • • • Rev. A Plate Contact CR Plate Contact DB Plate Contact BTR Plate Contact DTS Plate Contact RTN No Go to Step 2. Go to Step 3. 2 Check and correct the print density setting with the panel setting mode (Config. Menu).
EPSON EPL-N1600 Step Action and Question Chapter 3 Yes No 8 IMAGING CARTRIDGE Install a new Imaging Cartridge. Is the print image quality normal? Problem solved. Go to Step 9. 9 HPS OUTPUT VOLTAGE TR TO BTR 1. Reform the Plate Contact BTR so it makes better contact with the HPS. 2. Print test image. Is the print image quality normal? Problem solved. Go to Step 9. 10 HPS 1. Replace the HPS. 2. Print test image. 3. Is the print image quality normal? Problem solved. Go to Step 11. 11 BTR 1.
EPSON EPL-N1600 Chapter 3 Troubleshooting 3.2 BLANK PRINT (NO IMAGE) Problem The entire page is blank. Suspect Components The following components are assosiated with this specific problem. One or more of these components may have failed partially or completely. If you can not isolate the problem using this procedure, replace each components listed below, one at a time, until the problem disappears. • • • • • • • Rev.
EPSON EPL-N1600 Step Chapter 3 Action and Question Yes 8 HPS OUTPUT VOLTAGE TR TO BTR 1. Reform the Plate Contact BTR so it makes better contact with the HPS. 2. Print test image. Is the print image quality normal? Problem solved. Go to Step 9. 9 HPS 1. Replace the HPS. 2. Print test image. 3. Is the print image quality normal? Problem solved. Go to Step 10. 10 BTR 1. Replace the Roll Assy. BTR. 2. Print test image. Is the print image quality normal? Problem solved. ----- Rev.
EPSON EPL-N1600 Chapter 3 Troubleshooting 3.3 BLACK PRINT Problem The entire page is black. Suspect Components The following components are assosiated with this specific problem. One or more of these components may have failed partially or completely. If you can not isolate the problem using this procedure, replace each components listed below, one at a time, until the problem disappears. • • • • • • • Rev.
EPSON EPL-N1600 Chapter 3 Troubleshooting 3.4 VERTICAL WHITE BANDING Problem There are areas of the image that are extrreamly light or missig entirely. These missing areas form wide ands that runs vertically along the paper feeding direction. Step Suspect Components The following components are assosiated with this specific problem. One or more of these components may have failed partially or completely.
EPSON EPL-N1600 Chapter 3 Troubleshooting 3.5 HORIZONTAL WHITE BANDING Problem There are areas of the image that are extrreamly light or missig entirely. These missing areas form wide ands that runs horizontally across the paper. The following components are assosiated with this specific problem. One or more of these components may have failed partially or completely.
EPSON EPL-N1600 Chapter 3 Troubleshooting 3.6 VERTICAL BLACK STREAKS Problem There are black lines runs vertically along the paper feeding direction. The following components are assosiated with this specific problem. One or more of these components may have failed partially or completely. If you can not isolate the problem using this procedure, replace each components listed below, one at a time, until the problem disappears. • Fuser Assy. • Imaging Cartridge Rev.
EPSON EPL-N1600 Chapter 3 Troubleshooting 3.7 HORIZONTAL BLACK STREAKS Problem There are areas of the image that are extrreamly light or missig entirely. These missing areas form wide ands that runs horizontally across the paper. Rev. A Step Suspect Components Action and Question Yes No The following components are assosiated with this specific problem. One or more of these components may have failed partially or completely.
EPSON EPL-N1600 Chapter 3 Troubleshooting 3.8 WHITE SPOT Problem There are areas of the image that are extrreamly light or missig entirely. These missing areas form spots that are localized to small area of the page Step Suspect Components The following components are assosiated with this specific problem. One or more of these components may have failed partially or completely.
EPSON EPL-N1600 Chapter 3 Troubleshooting 3.9 BLACK SPOT Problem There are spots of toner randomly scattered over the page. The following components are assosiated with this specific problem. One or more of these components may have failed partially or completely. If you can not isolate the problem using this procedure, replace each components listed below, one at a time, until the problem disappears. • • • • Rev. A Step Suspect Components Fuser Assy.
EPSON EPL-N1600 Chapter 3 Troubleshooting 3.10 GHOST PRINT Problem There are ghost image appeared on the image. The image may be either ghosts of the previously printed page or the part of the image being printed on the current page. Step Suspect Components The following components are assosiated with this specific problem. One or more of these components may have failed partially or completely.
EPSON EPL-N1600 Chapter 3 Troubleshooting 3.11 DIRTY BACKBROUND Problem There is toner contamination on all or part of the page. The contamination appears as a very light gray dusting. The following components are assosiated with this specific problem. One or more of these components may have failed partially or completely. If you can not isolate the problem using this procedure, replace each components listed below, one at a time, until the problem disappears. • • • • Rev.
EPSON EPL-N1600 Chapter 3 Troubleshooting 3.12 SKEWED PRINTING Problem The image is not parallel with the paper. The following components are assosiated with this specific problem. One or more of these components may have failed partially or completely. If you can not isolate the problem using this procedure, replace each components listed below, one at a time, until the problem disappears. • Imaging Cartridge • Paper Cassette • Paper Path Rolls Rev.
EPSON EPL-N1600 Chapter 3 Troubleshooting 3.13 DAMAGED PRINTING Problem The printed paper is either wrinkled, creased, or torn. The following components are assosiated with this specific problem. One or more of these components may have failed partially or completely. If you can not isolate the problem using this procedure, replace each components listed below, one at a time, until the problem disappears. • Fuser Assy. • Paper Cassette • Paper Path Rolls Rev.
EPSON EPL-N1600 Chapter 3 Troubleshooting 3.14 UNFUSED IMAGE Problem The image is not fully fused to the paper. The image is easy to rub off. Step Suspect Components The following components are assosiated with this specific problem. One or more of these components may have failed partially or completely. If you can not isolate the problem using this procedure, replace each components listed below, one at a time, until the problem disappears.
EPSON EPL-N1600 Chapter 3 Troubleshooting 3.15 MISREGISTRATION Problem The printed is not centered on the page or is bleeding off the page. Step Suspect Components The following components are assosiated with this specific problem. One or more of these components may have failed partially or completely. If you can not isolate the problem using this procedure, replace each components listed below, one at a time, until the problem disappears.
DISASSEMBLY AND ASSEMBLY
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.1 OVERVIEW This chapter explains how to disassemble the printer and its various mechanisms. Except where otherwise indicated, the reassembly procedure is the reverse of the disassembly procedure. 4.1.1 Precautions This section describes the precautions you must take to prevent accidents during disassembly and reassembly work. Be sure to carry out all work in accordance with the precautions and general instructions provided in this manual.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.1.2 Tools 4.1.4 Special Operaiton for Service The following table lists the tools you need to disassemble and reassemble the printer. The table below lists the special operation that can be activated by turning on the printer while holds down specified button(s) on the control panel. Table 4-1.
EPSON EPL-N1600 Item Button(s) Chapter 4 Description Item Copy ROM Module • • • Online ALT Enter Copy the contents of ROM module installed in slot-B to a Flash-ROM module installed in slot-A. If slot-B is vacant, the contents of ROM module in program socket are copied instead. 1. Enter the mode. 2. When a message “DIMM COPY MODE” is displayed, press Enter button to continue and a data copy starts after erasing the contents of target ROM module. 3.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.2 DISASSEMBLY AND ASSEMBLY This section explains how to disassemble the printer to access its main components. Except where otherwise indicated, the reassembly procedure is the reverse of the disassembly procedure. The following flowchart show the disassembly flow. Rev.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.2.1 Cover Side,E 1. Remove the upper Paper Cassette. 2. Tilt back the Duplex Vertical Unit, if the optional Duplex Unit is installed. 3. Press the release button and open the Cover Exit,E. 4. Remove the two screws (1) that are located at the rear of the Cover Side,E. 5. Release the hook on the interior surface of the top side of the Cover Side by pulling the edge of the top side (2) up, and then pull the Cover Side away from the printer. 6.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.2.2 Shield Assembly Top.ST 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the four screws that secure the Shield Assembly Top.ST to the Cover Side. 3. Remove the Shield Assembly Top. Figure 4-2. “Shield Assembly Top.ST” Removal Rev.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.2.3 Control Panel 1. Remove the Cover Side,E. (Section 4.2.1) 2. Disconnect CN9 from the C258MAIN Board. 3. Remove the screw that secures the Control Assembly Panel (E) to the Cover Assembly,E. 4. Remove the Control Panel, passing the CN9 harness out of the Shield Assembly Bottom (E) through the cutout in the top side of the Shield Assembly Bottom (E). Figure 4-3. “Control Panel” Removal Rev.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.2.4 Cover Assembly MBF.E 1. Open the Cover Assembly MBF.E. (Section 4.2.1) 2. Press out on the left pivot of the Frame MBF until the left pivot bracket slides free of the pivot. 3. Slide the right pivot bracket free, and remove the Cover Assembly MBF.E. Figure 4-4. “Cover Assembly MBF.E” Removal Rev.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.2.5 Tray Assembly MBF.E 1. Remove the Cover Assembly MBF.E. (Section 4.2.4) 2. Open the Tray Assembly MBF.E. 3. Press out on the left side of the Frame MBF and free the left side of the Tray Assembly MBF. 4. Free the right side of the Tray Assembly MBF and remove the Assembly. Figure 4-5. “Tray Assembly MBF.E” Removal Rev.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3 Cover Assembly,E 1. Remove the Duplex Unit if installed. 2. Remove the Cover Side,E. (Section 4.2.1) 3. Remove the Control Assembly Panel (E). (Section 4.2.3) 4. Remove the Cover Assembly MBF.E. (Section 4.2.4) 5. Remove the Tray Assembly MBF.E. (Section 4.2.5) 6. Loosen the two screws that are located at the front of the Cover Assembly,E. 7. Remove the two screws that are located at the rear of the Cover Assembly,E. 8. Open the Cover Exit,E 9.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.1 Cover Assembly Exit,E 1. Remove the Cover Side, E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E. (Section 4.2.4) 4. Remove the Tray Assembly MBF.E. (Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Set the Cover Assembly,E on its rear surface. 7. Remove the three screws that secure the Bracket Hinge,E to the Cover Assembly,E. 8.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.2 Sensor Assembly-Size 1,E 1. Remove the Cover Side, E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E. (Section 4.2.4) 4. Remove the Tray Assembly MBF.E. (Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Remove the C258MAIN Board. (Section 4.3.49) 7. Remove the Shield Assembly Bottom (E). (Section 4.3.44) 8. Set the printer on its rear side. 9. Remove the PWBA Hotaru. 10.
EPSON EPL-N1600 4.3.3 Drive Assembly Chapter 4 Disassembly and Assembly 18. Remove the four screws that secure the Drive Assembly to the Frame. 1. Remove the Cover Side,E.(Section 4.2.1) 19. Remove the Drive Assembly off of the Frame. 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 20. Slide the Roll Assembly Turn off of their shaft by pressing the latch. 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.4 Solenoid Feed 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E. (Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E.(Section 4.3) 6. Remove the C258MAIN Board. (Section 4.3.49) 7. Remove the Shield Assembly Bottom (E). (Section 4.3.44) 8. Remove the wire harness from the Drive Assembly front plate. 9.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.5 Chute Inlet Registration 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Remove the ROS Assembly. (Section 4.3.37) 7. Remove the Latch R and L.(Section 4.3.50) 8. Remove the Shaft Latch. (Section 4.3.51) 9.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.6 Roll Assembly Registration 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Remove the two screws that secure the Roll Assembly Registration to the Printer Frame. 7. Lift the Roll Assembly Registration out of the printer. Figure 4-12.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.7 Roll Assembly Feed 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Remove the C258MAIN Board.(Section 4.3.49) 7. Remove the Shield Assembly Bottom (E).(Section 4.3.44) 8. Remove the PWBA Hotaru.(Section 4.3.48) 9. Remove the Chassis Assembly PS.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.8 Actuator No Paper 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Remove the C258MAIN Board.(Section 4.3.49) 7. Remove the Shield Assembly Bottom (E).(Section 4.3.44) 8. Remove the PWBA Hotaru(Section 4.3.48) 9. Remove the Chassis Assembly PS.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.9 Roll Assembly Turn 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Set the Printer Frame on its rear surface. 7. Press the Bearing Turn to the right while prying up the latch by the tip of a small screwdriver. 8.
EPSON EPL-N1600 4.3.10 Actuators Pre-Registration A and B 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) Chapter 4 Disassembly and Assembly 19. Pull the right end (spring-loaded end) of Actuator Pre-Registration B (PL3.1.19: one with the longer shaft) out of the retaining opening in the right mounting post, and slide the Actuator off of the hole in the left mounting post. 20.
EPSON EPL-N1600 4.3.11 Kit Chute Registration Assembly Chapter 4 Disassembly and Assembly 19. Press together the hook of the Chute Rib and push up the Rib upward (to the front). 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 20.
EPSON EPL-N1600 4.3.12 Actuator Registration 1. Remove the Cover Side,E. (Section 4.2.1) Chapter 4 Disassembly and Assembly 19. Pull the Actuator Registration, along with the Spring Sensor Registration, out of the retaining holes in the mounting posts on the Printer Frame. 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6.
EPSON EPL-N1600 4.3.13 Link Interlock Switch and Cam Interlock Switch Chapter 4 Disassembly and Assembly 18. Remove the Kit Chute Registration Assembly. (Section 4.3.11) 19. Pull the Cam Interlock Switch off of the retaining slots. 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 20.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.14 Chute Exchange 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Remove the Roll Assembly Exit Out.(Section 4.3.27) 7. Remove the Fuser Assembly.(Section 4.3.31) 8.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.15 Actuator Exit-2/L, -2/S and Sensor Photo 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.16 Solenoid Exchange 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Remove the C258MAIN Board.(Section 4.3.49) 7. Remove the Shield Assembly Bottom (E). (Section 4.3.44) 8.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.17 Gear Duplex Assembly 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Remove the two screws that secure the Gear Duplex Assembly to the rear of the Printer Frame. 7. Remove the Gear Duplex Assembly out of the Printer Frame. Figure 4-23.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.18 Roll Assembly Pinch Pre-Registration 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Pull the Lever Jam Clear off of the retaining brackets (1). 7. Remove the Spring-Hold Rod, Stopper Rod, and Spring Nip PreRegistration (2). 8.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.19 Frame Assembly MBF 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Remove the Lever Jam Clear, Spring-Hold Rod, Stopper Rod, and Spring Nip Pre-Registration (steps 6 and 7 of RRP 4.1.1). 7. Disconnect P236-1/J236-2 and P234-2/J2342. 8.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.20 Solenoid MBF 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Remove the Lever Jam Clear, Spring-Hold Rod, Stopper Rod, and Spring Nip Pre-Registration (steps 6 and 7 of RRP 4.1.1). 7. Disconnect P234-2/J2342. 8. Remove the Frame Assembly MBF.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.21 Roll Assembly MBF 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Remove the Lever Jam Clear, Spring-Hold Rod, Stopper Rod, and Spring Nip Pre-Registration (steps 6 and 7 of RRP 4.1.1). 7. Remove the Frame Assembly MBF.(Section 4.3.19) 8.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.22 Holder Gear MBF 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Remove the Lever Jam Clear, Spring-Hold Rod, Stopper Rod, and Spring Nip Pre-Registration (steps 6 and 7 of RRP 4.1.1). 7. Remove the Frame Assembly MBF.(Section 4.3.19) 8.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.23 Gear Assembly MBF 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Remove the Lever Jam Clear, Spring-Hold Rod, Stopper Rod, and Spring Nip Pre-Registration (steps 6 and 7 of RRP 4.1.1). 7. Remove the Frame Assembly MBF.(Section 4.3.19) 8.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.24 Plate Assembly Bottom MBF 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Remove the Lever Jam Clear, Spring-Hold Rod, Stopper Rod, and Spring Nip Pre-Registration (steps 6 and 7 of RRP 4.1.1). 7. Remove the Frame Assembly MBF.(Section 4.3.19) 8.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.25 Sensor No Paper MBF 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Remove the Lever Jam Clear, Spring-Hold Rod, Stopper Rod, and Spring Nip Pre-Registration (steps 6 and 7 of RRP 4.1.1). 7. Remove the Frame Assembly MBF.(Section 4.3.19) 8.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.26 Pad Assembly Retard and Stopper Paper 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Remove the Lever Jam Clear, Spring-Hold Rod, Stopper Rod, and Spring Nip Pre-Registration (steps 6 and 7 of RRP 4.1.1). 7. Remove the Frame Assembly MBF .
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.27 Roll Assembly Exit Out 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Release the latch on the Bearing-Exit Roll SP (PL5.1.5: right bearing) and slide the Bearing off of the shaft. 7.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.28 Roll-Press and Bearing-Pressure Roll 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Remove Roll Assembly Exit Out.(Section 4.3.27) 7. Remove the Fuser Assembly. (Section 4.3.31) 8.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.29 Actuator-Exit 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Remove Roll Assembly Exit Out.(Section 4.3.27) 7. Remove the Fuser Assembly. (Section 4.3.31) 8. Pull the Actuator-Exit out of the retaining slots in the Printer Frame. Figure 4-35.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.30 Sensor Assembly Photo Exit 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Remove the C258MAIN Board.(Section 4.3.49) 7. Remove Shield Assembly Bottom (E).(Section 4.3.44) 8. Remove PWBA Hotaru.(Section 4.3.48) 9. Remove the Chassis Assembly PS.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.31 Fuser Assembly 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Remove the Roll Assembly Exit Out. (Section 4.3.27) 7. Disconnect J291 from the Fuser Assembly. 8. Disconnect P/J11 on the wires (AC supply circuit) from the PWBA PS. 9.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.32 Sensor Assembly Temperature 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Remove the Roll Assembly Exit Out. (Section 4.3.27) 7. Remove the Fuser Assembly. (Section 4.3.31) 8. Remove Roll Assembly Exit.(Section 4.3.34) 9.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.33 Thermostat and Fuse 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Remove the Roll Assembly Exit Out. (Section 4.3.27) 7. Remove the Fuser Assembly. (Section 4.3.31) 8. Remove Roll Assembly Exit.(Section 4.3.34) 9.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.34 Roll Assembly Exit 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Remove the Roll Assembly Exit Out. (Section 4.3.27) 7. Remove the Fuser Assembly. (Section 4.3.31) 8. Turn the Fuser Assembly upside down. 9.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.35 Roll-Pinch 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Remove the Roll Assembly Exit Out. (Section 4.3.27) 7. Remove the Fuser Assembly. (Section 4.3.31) 8. Remove the Roll Assembly Exit. (Section 4.3.34) 9.
EPSON EPL-N1600 4.3.36 Roll Fuser and Heater Quartz Chapter 4 Disassembly and Assembly 13. Press the Ring-Rollers out of the grooves and slide them off of the Roll Fuser. 1. Remove the Cover Side,E. (Section 4.2.1) 14. Slide the Bearings Heat Roll off of the Roll Fuser. 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.37 ROS Assembly 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Disconnect J2262 connected to the ROS Assembly. 7. Remove the five screws that secure the ROS Assembly to the Printer Frame. 8. Disconnect J2312 connected to the ROS Assembly 9.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.38 Mirror Assembly 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Release the Harness Assembly SOS-HE extending to the PWBA SOS from the hooks on the Mirror Assembly. 7. Pull the wire harness downward to disconnect J301 from the PWBA SOS. 8.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.39 Roll Assembly BTR 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Place the BTR Tool under the right end of the BTR shaft, and pry the end of the shaft off of the Bearing BTR. (See the illustration for the correct use of the BTR Tool.) 7.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.40 Sensor Toner 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Disconnect J221 from the HPS. 7. Raise the free end of the Chute Inlet Registration and hold the Chute upright. 8.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.41 Switch Assembly 5V Interlock 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Disconnect J233 from the Switch Assembly 5V Interlock. 7. Remove the two screws that secure the Switch Assembly 5V Interlock to the Printer Frame. 8.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.42 Drive Assembly-F/P 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Remove the C258MAIN Board.(Section 4.3.49) 7. Remove the Shield Assembly Bottom (E). (Section 4.3.44) 8.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.43 Drive Assembly Main 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Remove the C258MAIN Board.(Section 4.3.49) 7. Remove the Shield Assembly Bottom (E).(Section 4.3.44) 8.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.44 Shield Assembly Bottom (E) 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Remove the C258MAIN Board. (Section 4.3.49) 7. Remove the four screws that secure the Shield Assembly Bottom (E) to the side of the Printer Frame. 8.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.45 Fan IOT 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Disconnect J222 from the HPS. 7. Remove the two screws that secure the Fan IOT to the Frame. 8. Pull the Fan straight out and remove it from the Frame. Figure 4-51. “Fan IOT” Removal Rev.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.46 Chassis Assembly PS 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Remove the C258MAIN Board.(Section 4.3.49) 7. Remove the Shield Assembly Bottom (E). (Section 4.3.44) 8. Remove the PWBA Hotaru. (Section 4.3.48) 9.
EPSON EPL-N1600 4.3.47 HPS W A R N IN G The HPS is electrostatic discharge (ESD) sensitive and must be handled with care to protect it against ESD. Touch exposed metal of the frame or wear properly grounded wrist strap before working with the board to let the electrostatic charge in your body flow off. Avoid touching the wirings on the board with fingers. Chapter 4 Disassembly and Assembly 14.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.48 PWBA Hotaru 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Remove the C258MAIN Board.(Section 4.3.49) 7. Remove the Shield Assembly Bottom (E). (Section 4.3.44) 8. Remove the screw that secures the Holder Electrical to the Frame (side). 9.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.49 C258MAIN Removal W A R N IN G C258MAIN board is electrostatic discharge (ESD) sensitive and must be handled with care to protect it against ESD. Touch exposed metal of the frame or wear properly grounded wrist strap before working with the board to let the electrostatic charge in your body flow off. Avoid touching the wirings on the board with fingers.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.50 Latch R and Latch L 1. Remove the screw that secures the Latch L to the Shaft Latch. 2. Pull the Latch L off of the Shaft Latch. 3. Remove the screw that secures the Latch R to the Shaft Latch. 4. Pull the Latch R off of the Shaft Latch. C H E C K P O IN T Be careful not to lose the Spring Latch . Figure 4-56. “Latch R/L” Removal Rev.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.51 Shaft Latch 1. Remove Latch R and Latch L. 2. Slide the Shaft Latch to the right (to the fan-side) out of the hole in the Printer Frame. Figure 4-57. “Shaft Latch” Removal Rev.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.52 Guide R (A) and (B) 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Disconnect J221 (Toner Sensor) from the HPS (1). 7. Remove the four screws that secure the Guide Actuator to the Printer Frame and remove the Guide Actuator (2). 8.
EPSON EPL-N1600 Chapter 4 Disassembly and Assembly 4.3.53 Guide CST R 1. Remove the Cover Side,E. (Section 4.2.1) 2. Remove the Control Assembly Panel (E). (Section 4.2.3) 3. Remove the Cover Assembly MBF.E.(Section 4.2.4) 4. Remove the Tray Assembly MBF.E.(Section 4.2.5) 5. Remove the Cover Assembly,E. (Section 4.3) 6. Set the printer on the left surface. 7. Squeeze together the arms of the top latch that secure the Guide CST R to the Printer Frame and pull the top of the Guide away from the Frame. 8.
ADJUSTMENT
EPSON EPL-N1600 Chapter 5 Adjustment No specific adjustment required on this printer after repair. Rev.
MAINTENANCE
EPSON EPL-N1600 Chapter 6 6.1 OVERVIEW 6.1.2 Service Maintenance This chapter describes the maintenance required by the printer. The following item requires a maintenance by the service engineer. 6.1.1 User Maintenance Item The maintenance item listed in table below should be perrformed by the user. Item Mirror Assy. Cleaning C A U T IO N Rev. A When Required When irregular image quality appears Maintenance Fuser Assy. When Required • Clean the Assy.
APPENDIX
EPSON EPL-N1600 Chapter 7 Appendix 7.1 Electrical Connection This section provides a supplemental information about the electrical connetion in the EPL-N1600. 7.1.1 Connectors - C258MAIN The figure below shows the connectors on the C258MAIN Board. Figure 7-1. Connectors - C258MAIN Rev.
EPSON EPL-N1600 Chapter 7 Appendix 7.1.2 Master Wiring Diagram The Master Wiring Diagram, is divided into the following eight block diagrams. Each block diagram shows the signal names, pin numbers, and other information in detail. HPS - Controller HPS - Imaging Cartridge / Toner Sensor Controller - Laser Diode, ROS Motor, and SOS Controller - Motor Assembly Main, and Solenoid Exchange Controller - Sensor Exit, Sensor Photo, and Thermistor Controller - PWB Assy.
EPSON EPL-N1600 Chapter 7 Appendix 7.1.2.1 Wiring Diagram Notation The meaning of the symbols used in the wiring diagram is as listed in table below. Table 7-1. Wiring Diagram Notation Symbols Description A plug A jack Pin YY and Jack YY of connectors Pxx and Jxx. 5VDC power supply 24VDC power supply • “/” indicates the low-active signal and it goes LOW when it is ON. • “TTL” indicates the signal level and is TTL compatible. (HIGH: 4 to 5VDC / LOW: 0 to 0.
EPSON EPL-N1600 Chapter 7 Table 7-2. Signal Names / HPS - Controller HPS - CONTROLLER Signal Name Rev. A Appendix Description /HEAT Control signal which switches on and off the Heater Quartz. The Heater Quartz is switched on when this signal is Low and off when High. NO TONER Signal from the Sensor Toner in the Cartridge Assembly EP. (CRU). This signal is Low when toner is detected in the Cartridge Assembly EP. (CRU) and High when the toner is not detected (running out).
EPSON EPL-N1600 Signal Name /TR+ /TR- Chapter 7 Signal which switches the polarity of the Transfer Bias voltage. The Transfer Bias voltage is positive when this signal is Low and negative when High. /DTS Control signal which switches on and off the voltage to the Detack Saw. The voltage is not applied when this signal is Low and applied when High.
EPSON EPL-N1600 Chapter 7 Appendix Table 7-4. Signal Names / HPS - Imaging Cartridge HPS - IMAGING CARTRIDGE / TONER SENSOR Signal Name Description Output Voltage DB DC/AC output to the Magnet Roll DC: −315 V, AC: 1.8 kVp-p, 3.0 kHz CR DC/AC output to the BCR DC: −400 V, AC: 800 µA, 850 Hz TR DC output to the BTR (+DC in Transfer, −DC when cleaning) +DC: 250 V to 6 kV, −DC: -600 V DTS DC output to the DTS DC: -2 kV Table 7-5. Pin Assignment / HPS - Toner Sensor P221 3 Rev.
EPSON EPL-N1600 Chapter 7 Appendix Table 7-6. Signal Names / Controller - ROS Assy., SOS Sensor CONTROLLER − ROS ASSY., SOS SENSOR, AND SWITCH ASSY.
EPSON EPL-N1600 Chapter 7 Appendix Table 7-8. ROS Motor Specification Item Description Motor Type DC Brushless motor for dividing thhe Polygon Mirror with a PLL control circuit Number of poles/ Direction of rotation 3-phase 12 poles / Clockwise (When viewed from the Mirror side) Speed of rotation of output shaft 20461.11 rpm ± 0.5% Starting time 4 seconds or less (for rated load at 22 °C) Starting current 1.0 A or less (rms) Rated current 0.
EPSON EPL-N1600 Chapter 7 Appendix Table 7-14. Pin Assignment / Controller − Motor Assy. Main CONTROLLER − MOTOR ASSY MAIN, AND SOLENOID EXCHANGE CN227 Signal Name Signal Direction MM: Main Motor M: Controller Trigger High Level Low Level 6 /A MM ← M Level 24V 0V 5 B MM ← M Level 24V 0V 4 A MM ← M Level 24V 0V 3 /B MM ← M Level 24V 0V Table 7-15.
EPSON EPL-N1600 CONTROLLER − SENSOR EXIT, SENSOR PHOTO, AND THERMISTOR Chapter 7 Appendix Table 7-17. Signal Names / Sensor Exit, Sensor Photo, Thermistor Signal Name Description /EXIT Signal from the Sensor Exit. This signal is Low when the Sensor Assembly Photo Exit is actuated by paper, and High when the Sensor Assembly Photo Exit is deactuated. /EXIT2 Signal from the Exit2 Sensor. This signal is Low when the Exit2 Sensor is actuated by paper, and High when the Sensor Photo is deactuated.
EPSON EPL-N1600 CONTROLLER − PWB ASSEMBLY-SIZE 1 Chapter 7 Table 7-22. Signal names / Controller - PWB Assy. Size-1 Signal Name Rev. A Appendix Description /SUB RDY Signal which indicates the status of the Duplex Unit. This signal is Low when the Duplex Unit is ready and High when not ready.
EPSON EPL-N1600 Chapter 7 Table 7-23. Pin Assignment / Controller - PWB Assy.
EPSON EPL-N1600 Chapter 7 Appendix Table 7-29. SIZE Signal Voltage Paper Size Lower Paper Cassette Unit (Standard) Lower Paper Cassette Unit (Option) No cassette Paper Size Switch *1 SW1 SW2 SW3 0 0 0 Signal Voltage (VDC) 0.00 B5 (SEF) *2 1 0 0 1.20 Executive 1 0 1 2.50 Letter (SEF) 0 0 1 2.02 A4 (SEF) 0 1 1 2.72 Legal (13”) 1 1 0 2.26 Legal (14”) 1 1 1 3.01 No cassette 0 0 0 0.45 Letter (SEF) 0 0 1 2.19 A4 (SEF) 0 1 1 2.82 Legal (13”) 1 1 0 2.
EPSON EPL-N1600 7.2 Exploded Diagram This section provides exploded diagram of each part of engine mechanism of the EPL-N1600. Chapter 7 Appendix 16. Control Assembly Panel (E) $ 17. Face Up Catch Tray (OPTION) $ 18. -- COVERS 19. -- 1. Cover Assembly,E (with 2, 4~11) 20. Kit Cover Exit E (with 8~11) $ 2. Cover Main,E 21. Kit Cover Main E (with 2, 5~7) $ 3. -- 22. Guard Exit 4. Cap Main 5. Eliminator 6. Spring Button 7. Button Latch,E 8. Bracket Hinge,E 9.
EPSON EPL-N1600 Chapter 7 Appendix PAPER CASETTE 1. Cassette Epson 2. Sensor Assembly-Size 1.E (with 3~6) $ 3. Plate Earth 4. PWB Assembly-Size 1.E 5. Harness Assembly Option 6. Spring Size 7. Harness Solenoid 8. Harness Assembly MBF Rev.
EPSON EPL-N1600 PAPER TRANSPORTATION (I) 1. -2. -3. Drive Assembly (with 4~5) $ 4. Solenoid Feed $ 5. Roll Assembly Turn $ 6. Plate Earth Chute 7. Angle 8. Chute Inlet Registration 9. Roll Assembly Registration (with 10~15) $ 10. Holder Registration 11. Gear Registration 12. Spring NIP Registration Chapter 7 Appendix 19. Actuator Pre-RegistrationB 20. Bearing Pre-Registration 21. Actuator Pre-RegistrationA 22. Link Interlock Switch 23. Cam Interlock Switch 24. Spring Sensor Registration 25.
EPSON EPL-N1600 Chapter 7 Appendix PAPER TRANSPORTATION (I) REAR 1. Chute Exchange 2. Cap Chute Exchange 3. Plate Base Actuator 4. Spring Exit-2/L 5. Actuator Exit-2/L 6. Spring Exit-2/S 7. Actuator Exit-2/S 8. Sensor Photo $ 9. Solenoid Exchange $ 10. Gear Duplex Assembly 11. Kit Chute Exchange (with 1~2) $ Rev.
EPSON EPL-N1600 Chapter 7 Appendix PAPER TRANSPORTATION (II) 1. Reference only (Exploded on PL4.2) 2. Roll Assembly Pinch Pre-Registration (with 3, 4) 3. Roll Pinch Pre-Registration 4. Holder Pinch Pre-Registration 5. Lever Jam Clear $ 6. Spring-Hold Rod 7. Stopper Rod 8. Spring NIP Pre-Registration Rev.
EPSON EPL-N1600 MBF 1. Frame Assembly MBF (with 2~24) $ 2. Frame MBF 3. Plate Assembly Bottom MBF 4. Spring Normal Force MBF 5. Plate Earth Chapter 7 Appendix 19. Spring Retard 20. Pad Assembly Retard 21. Solenoid MBF $ 22. Stopper Paper 23. Kit Retard (with 19 and 20) $ 24. Guide Registration MBF 6. Gear Assembly MBF 7. Bearing MBF 8. Harness Sensor MBF 9. Sensor No Paper MBF $ 10. Spring Sensor MBF 11. Actuator Sensor MBF 12. Lever Gear 13. Spring Lever Gear 14. Cam MBF 15. Holder Gear MBF 16.
EPSON EPL-N1600 FUSING & PAPER EXIT 1. Reference only (Exploded on PL5.2) 2. Eliminator Chapter 7 Appendix 19. Sensor Assembly Photo Exit $ 20. Kit Pressure Roll (with 10~16) $ 21. Kit Exit Roll (with 4~7) $ 3. Chute Exit Pressure Roll 4. Roll Assembly Exit Out 5. Bearing-Exit Roll SP 6. Bearing-Exit Roll 7. Gear Exit Out 8. Eliminator 9. Chute-Inlet 10. Roll-Press 11. NIP Lever,L 12. Bearing-Pressure Roll 13. Spring NIP 14. Plate Assembly-Base Pressure Roll,L 15. NIP Lever,R 16.
EPSON EPL-N1600 FUSER UNIT 1. Fuser Assembly (with 2~23,25~28) $ 2. Frame-Fuser 3. Plate-AC B 4. Plate Fuse 5. Fuse 6. Plate-AC A 7. Thermostat 8. Gear-Exit 9. Bearing-Exit Roll Chapter 7 Appendix 19. Roll-Pinch 20. Spring Pinch 21. Roll Fuser 22. Gear Heat Roll 23. Connector Panel Header M12 24. Harness Assembly STS-HE 25. Cap-Heat Roll,R 26. Cap-Heat Roll,L 27. Finger Assembly 28. Spring-Finger 10. Sensor Assembly Temperature 11. Roll Assembly Exit 12. Bearing Exit Roll SP 13.
EPSON EPL-N1600 XEROGRAPHIC MODULE Chapter 7 Appendix 19. Switch Assembly 5V Interlock $ 1. Mirror Assembly (with 2) $ 2. Shutter Mirror 3. ROS Assembly $ 4. Cartridge Assembly EP. (CRU) 5. Sensor Assembly Toner (OPTION) (with 6~7) 6. Harness Assembly Toner Sensor (OPTION) 7. Sensor Toner (OPTION) 8. Spring Toner Sensor (OPTION) 9. - 10. Roll Assembly BTR (with 11~13) 11. Gear BTR 12. Roll Tracking BTR 13. Roll BTR 14. Bearing BTR 15. Spring BTR 16. Chute Assembly BTR 17.
EPSON EPL-N1600 Chapter 7 Appendix DRIVE MODULE 1. Drive Assembly Main $ 2. Gear 11 3. Gear 10 4. Gear 13 5. Gear 12 6. Drive Assembly-F/P $ Rev.
EPSON EPL-N1600 Chapter 7 Appendix ELECTRICAL MODULE 1. Chassis Assembly PS (with 2~4) 2. HPS $ 3. Sheet PS 4. Chassis PS 5. Harness Exit-HE $ 6. Fan IOT $ 7. Harness Assembly ROS-HE 8. Harness Assembly SOS-HE 9. Shield Assembly Bottom (E) 10. --- Rev.
EPSON EPL-N1600 Chapter 7 Appendix MCU 1. -2. Holder Electrical 3. -4. PWBA Hotaru $ Rev.
EPSON EPL-N1600 Chapter 7 Appendix CONTROLLER 1. Controller Assembly (C258MAIN BOARD) Rev.
EPSON EPL-N1600 FRAME 1. Guide CST R 2. Plate Frame Upper 3. Spring Latch 4. Latch R 5. Shaft Latch 6. Latch L 7. Guide L 8. Eliminator 9. Plate-Ground 10. Diode 11. Spring Pressure Roll 12. -13. Actuator Assembly ILS (with 14~18) 14. -- Chapter 7 Appendix 28. Frame Main 29. -30. -31. -32. -33. Plate Contact FG 34. Resistor Baffle 35. Plate Earth MBF,Main 36. Guide Link 37. Chute Side Registration 38. Kit Foot (item 20 x 4) $ 39. Spring-Ground 40. Guide R (A) 41. Guide R (B) 42. Spring 15.
EPSON EPL-N1600 Chapter 7 Appendix 7.3 Circuit Schematics The circuit schematics of circuit boards listed below are shown in following pages. C258MAIN BOARD (Main controller) C258PROG BOARD (ROM-DIMM Board) Rev.
