SERVICE MANUAL Color Inkjet Printer EPSON Stylus C82 ® SEIJ02003
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. The contents of this manual are subject to change without notice. All effort have been made to ensure the accuracy of the contents of this manual.
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 the printer. 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. Manual Configuration This manual consists of six chapters and Appendix. CHAPTER 1. PRODUCT DESCRIPTIONS Provides a general overview and specifications of the product. CHAPTER 2.
Revision Status Revision Issued Date A July 31, 2002 Description First Release
CONTENTS Chapter 1 PRODUCT DESCRIPTION Chapter 2 OPERATING PRINCIPLES 1.1 Features ............................................................................................................... 9 2.1 Overview ............................................................................................................ 2.1.1 Printer Mechanism ..................................................................................... 2.1.2 Carriage Motor Specification .............................................
4.2.1.1 Upper Housing Removal ................................................................... 4.2.1.2 Panel Housing/C486 PNL Board Removal ....................................... 4.2.1.3 Printhead Removal ............................................................................ 4.2.1.4 Lower Housing/Printer Mechanism Removal ................................... 4.2.2 Board Removal .......................................................................................... 4.2.2.
CHAPTER 1 PRODUCT DESCRIPTION
EPSON Stylus C82 Revision A 1.
EPSON Stylus C82 Revision A 1.2.5 Electric Specification Table 1-2. Raster graphics mode Horizontal resolution Printable area Available dot CR speed 360dpi (Color) 209.8mm (8.26inch) 2976 225CPS 720dpi 209.8mm (8.26inch) 5952 245CPS 1440dpi 209.8mm (8.
EPSON Stylus C82 Revision A 1.2.6 Environmental Condition 1.2.7 Reliability Table 1-3. Environmental Condition 10 to 35°C : 50,000 pages (A4, Letter) (Black) 20,000 pages (A4, Letter) (Color) Printhead Life : 3000 million dots/nozzle Non-operating (*1) Operating Temperature Total print volume -20 to 40°C (1 month at 40°C and 120 hours at 60°C) (*2) Humidity (Without condensation) 20 to 80% RH (*2) 5 to 85% RH Resistance to shock 1G, within 1ms 2G, within 2ms Resistance to vibration 0.
EPSON Stylus C82 Revision A 1.3 Operator Controls 1.3.3 Panel Functions Table 1-4. Panel functions 1.3.1 Operate Switch Switch Operate switch is located on the control panel. 1.3.2 Control Panel Paper print cancel 1.3.2.1 Switches There are 3 non-lock type push switches, and 3 LEDs. Paper Out LED Paper SW Ink Function • Loads or ejects the paper. • When carriage is on the ink check position, move carriage to next ink check position or cartridge change position.
EPSON Stylus C82 Revision A Paper jam 1.3.4 Printer Condition and Panel Status When printer fails to eject a sheet, it goes paper jam error. Table 1-6. Printer condition and LED status Printer status Indicators Maintenance request When the total quantity of ink wasted through the cleanings and flushing is reaches to the limit, printer indicates this error and stops.
EPSON Stylus C82 Revision A Envelope 1.4.3 Printing Area Table 1-8. Paper specification (Envelope) Paper size Paper width Paper length Thickness Weight (lb) 1.4.3.1 Cut Sheet Table 1-11. Character mode Quality Paper size LM (Left margin) (min.) RM (Right margin) (min.) TM (Top margin) (min.) BM (Bottom margin) (min.) A4 3mm (0.12”) 3mm (0.12”) 3mm (0.12”) 14mm (0.54”) NOTE: Envelope printing is only available at normal temperature. Letter 3mm (0.12”) 9mm (0.35”) 3mm (0.
EPSON Stylus C82 Revision A 1.4.3.2 Envelopes Table 1-13. Envelope margin Storage temperature : -20oC to 40oC (Storage, within a month at 40oC) -30oC to 40oC (Packing storage, within a month at 40oC) -30oC to 60oC (Transit, within 120 hours at 60oC and within a month at 40oC) Dimension : 12.7mm (W) x 71.2mm (D) x 66.5mm (H) Paper size LM (Left margin) (min.) RM (Right margin) (min.) TM (Top margin) (min.) BM (Bottom margin) (min.) No.10 3mm (0.12”) 20mm (0.78”) 3mm (0.12”) 3mm (0.
CHAPTER 2 OPERATING PRINCIPLES
EPSON Stylus C82 Revision A 2.1 Overview 2.1.4 Paper Loading Mechanism (New ASF unit) This section describes the operating principles of the printer mechanism and electrical circuit boards The ASF of this printer is newly designed. It has the following characteristics. Uses a Retard Roller. (Laser printers also use this roller.) New design of PF/ASF change mechanism. (Operating principle same as 2.1.1 Printer Mechanism previous.
EPSON Stylus C82 Revision A 2.1.5 Ink System Mechanism 2.2.1 C486 PSB/PSE Board With this printer, when the PF Motor turns, power is always transmitted to the ink system. +42VDC 2.1.5.1 Pump Unit & Wiper mechanism Functions Counterclockwise (*1) • Set wiper. • Draw ink. • Set CR lock lever. Clockwise (*1) • Reset wiper. • Release pump. • Reset CR lock lever.
EPSON Stylus C82 Revision A 2.2.2 C486 MAIN Board Table 2-4. C486 MAIN Board Major Components and Primary Functions IC Location Function ROM IC1 8 Mbit ROM program for CPU provided with CG table, 3.3V drive (not DOS compliant) Transceiver IC3 Transceiver IC for the Centronics I/F response to IEEE1284 and ECP more, Data transfer by DMA, 3.3V drive Reset regulator IC4 Formed reset signals shown below. 1. Dropping 42V line to 36.3V, 2. Dropping 5V line to 4.
EPSON Stylus C82 Revision A E01A38CA ASIC (IC10) DATA ADDRESS DATA ROM (IC1) ADDRESS D-RAM (IC5) DATA Parallel I/F USB CN1 Transceiver (IC3) D0 (#164), D2 (#174), D4 (#5), D6 (#171), D8 (#167), D10 (#1), D12 (#2), D14 (#168), D1 (#169) D3 (#4) D5 (#176) D7 (#166) D9 (#172) D11 (#6) D13 (#173) D15 (#163) A1 (#154), A3 (#149), A5 (#144), A7 (#139), A9 (#133), A11 (#138), A13 (#143), A15 (#148), A17 (#153), A19 (#61) A2 (#152) A4 (#147) A6 (#141) A8 (#136) A10 (#135) A12 (#140) A14 (#146) A16 (
CHAPTER 3 TROUBLESHOOTING
EPSON Stylus C82 Revision A 3.1 Overview 3.1.1.2 Ink Out The Ink Out indicator did not recover immediately after installation of the Ink This chapter describes how to troubleshoot problems. W A R N IN G C H E C K P O IN T Cartridge. Press the Ink Switch and the Ink Out indicator will go out after the Carriage Unit returns to the HP. (Use same procedure for Ink Low after installing other Ink Cartridge.
EPSON Stylus C82 3. Revision A Fatal Error Reference Information (Aside from Head Hot Error) 3.1.1.5 Dot missing 1 Fatal Error cause can be analyzed by referring to EEPROM Address and Error Code shown below. 1. Use operation from Panel or Driver Utility to execute cleaning 4~5 times. 2. Use Adjustment Program to execute strongest cleaning 2~3 times. Table 3-2. [2Dh address: Sequence error] 3. Use Adjustment Program to execute Ink Charge. 4.
CHAPTER 4 DISASSEMBLY AND ASSEMBLY
EPSON Stylus C82 Revision A 4.1 Overview W A R N IN G This section describes procedures for disassembling the main components of the product. Unless otherwise specified, disassembly units or components can be reassembled by reversing the disassembly procedure. Things, if not strictly observed, that could result in injury or loss of life are described under the heading “WARNING”. Precautions for any disassembly or assembly procedures are described under the heading “CAUTION”.
EPSON Stylus C82 Revision A 4.2 Disassembly The flowchart below shows step-by-step disassembly procedures. When disassembling each unit, refer to the page number shown in the figure. Upper Housing Removal 4.2.1.1 P.27 Lower Housing/ Printer Mechanism Removal 4.2.1.4 P.29 Printhead Removal 4.2.1.3 P.28 Panel Housing/ C486 PNL Board Removal 4.2.1.2 P.27 Paper Eject Frame Unit Removal 4.2.3.10 P.40 Linear Scale Removal 4.2.3.5 P.37 Ink System Unit Removal 4.2.3.7 P.39 EJ Roller Unit Removal 4.2.3.
EPSON Stylus C82 Revision A 4.2.1 Housing Removal 4. 4.2.1.1 Upper Housing Removal 1. Remove 4 screws (C.B.P 3x10) holding the Upper Housing. 2. Open Stacker. While slightly lifting Upper Housing, follow the order shown below to remove (1) 1 screw (C.B.S 3x6) and (2) FFC (from C486 PNL Board). Then remove the Upper Housing. C486 PNL board Disconnect C.B.P 3x10 (6±1kgf.cm) x2 C.B.P 3x10 (6±1kgf.cm) x2 2 FFC Upper Housing Stacker 1 C.B.S 3x6 (6±1kgf.
EPSON Stylus C82 3. Revision A Remove 3 screws (C.B.P 3x8) holding the C486 PNL Board, then remove the C486 PNL Board from the Panel Housing. 3. Remove 2 screws (C.B.P (P4) 3x8) holding the Fastener Head, then remove the Fastener Head in the direction of arrow A. C.B.P 3x8 (6±1kgf.cm) x3 Fastener Head A C486 PNL Board C.B.P (P4) 3x8 (5±1kgf.cm) Panel Housing Figure 4-6. Panel Housing/C486 PNL Board Removal 2 Figure 4-8. Printhead Removal 2 4.2.1.3 Printhead Removal 1.
EPSON Stylus C82 6. Revision A While avoiding 2 hooks, follow order shown below to remove Printhead from Carriage Unit. Hook C A U T IO N Hook When the FFC has been replaced, be sure to attach sponge as shown in lower left diagram. Because double-sided tape is attached to FFC service parts, simply installing sponge is sufficient. 2 Printhead A D J U S T M E N T R E Q U IR E D When removing or replacing the Printhead, the adjustments are necessary.
EPSON Stylus C82 3. Revision A As shown below, remove AC Cable Cover and Ink Tube from Lower Housing and C486 Main Board. AC Cable Cover : Release while pushing 2 hooks in direction of arrow A, then remove cover by pushing out in direction of arrow B. Ink tube : While pressing inward both edges of retainer, remove Ink Tube in direction of arrow C. W A R N IN G Make sure the tip of the waste ink tube is located at correct position when reassembling the waste ink tube.
EPSON Stylus C82 3. Revision A Remove 4 screws (C.B.S 3x6: 1, C.B.S 3x8: 2, C.B.S 3x16: 1) holding C486 Main Board, then remove Printer Mechanism from C486 Main Board in upward direction. W A R N IN G C.B.S 3x8 (8±1kgf.cm) When C486 Main Board has been replaced by a service part, the installation screw holes do not have threads, as shown below. When installing C486 Main Board to the Printer Mechanism, metal chips that are formed in the process can become a source for shorting the printer.
EPSON Stylus C82 Revision A 4.2.2.2 C486 PSB/PSE Board Removal C.B.S (P4) 3x8 (8±1kgf.cm) x2 1. Remove C486 Main Board. (See Section 4.2.2.1) 2. Remove 2 screws (C.B.S 3x6) holding C486 PSB/PSE Board. 3. After shifting C486 PSB/PSE Board temporarily in the direction of arrow A, release the hook, then pull the board in the direction of arrow B and remove it from the Printer Mechanism. CN4 C.B.S 3x6 (8±1kgf.cm) ASF Unit Wrapped Location Slot Figure 4-19. ASF Unit Removal 1 Hook 4.
EPSON Stylus C82 5. Revision A 4.2.3.2 ASF Unit Disassembly Release the union location between Pump Frame and ASF Unit. C A U T IO N Be careful because pulling strongly on Pump Frame can cause it to break. 6. Push Head Cable Cover with pair of tweezers, shift it to the right and temporarily release its hold. 7. Allow ASF Unit to rotate in direction of arrow A, the remove ASF Unit together with LD Roller Cover from Printer Mechanism. 1. Remove ASF Unit. (See Section 4.2.3.1) 2.
EPSON Stylus C82 5. Revision A Follow the order below to remove ASF Trigger Lever from ASF Frame. 8. ASF Frame ASF Frame Extension spring 1.67 3 While spreading the left side surface of the ASF Frame toward the outside, follow the order shown below to remove LD Roller Shaft. Compression spring 2.9 1' 1 2' 2 LD Roller Shaft Hooks ASF Trigger Lever 1 Figure 4-23. ASF Unit Disassembly 2 6.
EPSON Stylus C82 Revision A 4.2.3.3 PE Sensor/PE Sensor Holder/PE Lever Removal ASF Unit Assembly Points 1. Set Clutch Spring (when assembling Clutch and Clutch Gear) 2. Position Paper Back Support Lever (when setting the Paper Back Cam to LD Roller Shaft at first step) 3. Align phase (when inserting Paper Back Cam into LD Roller Shaft at last step) 1 2 Clutch Gear 1. Remove ASF Unit. (See Section 4.2.3.1) 2. Disconnect connector from PE Sensor. 3.
EPSON Stylus C82 Revision A Condition of PE Lever and Torsion Spring 0.28 after installation. C A U T IO N PE Lever Torsion Spring 0.28 Figure 4-30. Condition of PE Lever after installation. 4.2.3.4 PF Encoder & PF Encoder Base Removal There are 2 types of the Rotary Scale, the Film type that has been available since first mass production and a new Plastic type. Needed information about details and repair are given below. 1.
EPSON Stylus C82 Revision A 4.2.3.5 Linear Scale Removal 4.2.3.6 CR Guide Shaft/Carriage Unit Removal 1. Remove Printer Mechanism. (See Section 4.2.1.4) 1. Remove Linear Scale. (See Section 4.2.3.5) 2. Release Extension Spring 2.94 from Printer Mechanism hook 1. 2. 3. Release right edge of Linear Scale from Printer Mechanism hook 2. Use a common screwdriver to release Extension Spring 26.46 from hooks on Pulley Driven Holder and Printer Mechanism, then remove spring. 4.
EPSON Stylus C82 Revision A 6. Remove CR Guide Shaft from Printer Mechanism in direction of arrow C while taking care not to damage slots in Printer Mechanism. 7. Allow Carriage Unit to rotate in direction of arrow D and remove Carriage Unit from Printer Mechanism. 10 FFC Carriage Unit Connector Relay Board CR Guide Shaft 9 D Slot Figure 4-37. CR Guide Shaft/Carriage Unit Removal 3 C 7 8 Bush C.B.S (P4) 3x6 (6±1kgf.
EPSON Stylus C82 Revision A 4.2.3.7 Ink System Unit Removal C A U T IO N 1. Remove Printer Mechanism. (See Section 4.2.1.4) 2. Remove 2 screws ((1)C.B.S 3x8, (2) C.B.S 3x6) holding the Ink System Frame, then remove the Ink System Frame from the Printer Mechanism. 3. Remove 2 screws ((3)C.B.S 3x8, (4) C.B.S 3x6) holding the Ink System Frame from the Printer Mechanism. Use a pair of tweezers to replace the Cleaner Blade. While doing this, do not touch the Printhead with the tweezers.
EPSON Stylus C82 Revision A Installation of screws holding PF Motor When installing CR Motor, install it with the label of the motor facing upwards. A D J U S T M E N T R E Q U IR E D 1. Follow order shown in lower left diagram to set screws temporarily. 2. Pull PF Motor in direction shown by arrow in lower left diagram, then while maintaining tension on the Timing Belt completely fasten the PF Motor. (Completely tighten.
EPSON Stylus C82 Revision A 4.2.3.11 EJ Roller Unit Removal 4.2.3.12 Front Paper Guide Removal 1. Remove Paper Eject Frame Unit. (See Section 4.2.3.10) 1. Remove EJ Roller Unit. (See Section 4.2.3.11) 2. Remove Grounding Wire from Printer Mechanism. 2. Remove 2 screws (C.B.S 3x6) holding Front Paper Guide. 3. Release hook for Bushing 5 located at each side of EJ Roller Unit, then let Bushing 5 rotate 90° upwards. 3.
EPSON Stylus C82 Revision A 4.2.3.13 Upper Paper Guide Removal 1. Remove Front Paper Guide and PE Sensor Holder. (See Section 4.2.3.12 and 4.2.3.3) 2. Release 2 hooks holding each Extension Spring 4.07, then remove Extension Spring 4.07 (4 springs). 3. Follow order shown below to remove Upper Paper Guide from Printer Mechanism. Hook Rear Paper Guide B A Hook Extension Spring 4.07 PF Roller Unit Hook Figure 4-48.
CHAPTER 5 ADJUSTMENT
EPSON Stylus C82 Revision A 5.1 Overview This section describes all adjustment procedures for Stylus C82. 5.1.1 Conditions for Each Adjustment The Stylus C82 adjustment program is Epson's first use of a sequential program for performing mechanical/electrical adjustments in an established order. The program will use an interactive method to guide you through suitable adjustments that correspond to repairs that have actually been made. This chapter only lists the adjustment conditions.
EPSON Stylus C82 Revision A Table 5-1. Adjustment Program Supported Functions Category Adjustment (Cont.) Items Conditions Purpose USB ID input Performed after main board replacement. (Not necessary if only main board was replaced and Backup was successful.) A unique ID is created by inputting the printer's serial number into the USB ID. This prevents conflicts with ID of other connected USB devices.
CHAPTER 6 MAINTENANCE
EPSON Stylus C82 Revision A 6.1 Overview 6.1.2 Service Maintenance This section provides information to maintain the printer in its optimum condition. If print irregularity (missing dot, banding, etc.) has occurred or the printer indicates “Maintenance Error”, take the following actions to clear the error. Head Cleaning: 6.1.1 Cleaning 4 methods of recovering Dot Missing are shown below. This printer has no mechanical components which require regular cleaning except the Printhead.
EPSON Stylus C82 Revision A 6.1.3 Lubrication Table 6-2. Lubrication Points The types lubricants used in the Stylus C82 are specified by SEIKO EPSON. Lubricate the printer if necessary under the following conditions: Fig No. Grease has been wiped off during cleaning. Printer has been disassembled/assembled. 6-1 Specific part(s) in the printer has been replaced. C A U T IO N Never use grease other than those specified in this manual.
EPSON Stylus C82 Revision A Table 6-2. Lubrication Points Fig No. Lubrication Point/Type Table 6-2. Lubrication Points Remarks Fig No. • Joint use of Flux Dispenser is recommended. 6-4 • LD Roller Shaft left/right ends • G-46 • Soak in basin containing G-46 and remove immediately. • Joint use of Flux Dispenser is recommended. 6-5 • Combination Gear Ratchet 65.
EPSON Stylus C82 Revision A No.2 G-26 G-46 No.1 G-63 G-26 G-26 G-46 Figure 6-1. Driven Roller Figure 6-7. Carriage Unit Figure 6-2. Paper Back Lever G-46 Figure 6-8. Pulley Driven Holder G-26 G-46 G-26 Figure 6-3. Paper Back Support Lever Figure 6-9. Main Frame Figure 6-4. LD Roller Shaft Figure 6-10. ASF Unit G-46 G-26 G-26 Figure 6-5. Clutch Gear MAINTENANCE Figure 6-11. ASF Trigger Lever Figure 6-6.
CHAPTER 7 APPENDIX
EPSON Stylus C82 Revision A 7.1 Connector Summary Table 7-3. CN8 - Printhead Pin Signal Name I/O 1 GND - The Major component units of this printer are as follows.
EPSON Stylus C82 Revision A Table 7-3. CN8 - Printhead Pin Signal Name I/O 24 CSD Out 25 GND 26 COO Table 7-4.
EPSON Stylus C82 Revision A Table 7-7. CN14 - CR motor Pin Signal Name I/O 1 CR-A Out Phase drive signal (-A) 2 CR-B Out Phase drive signal (-B) 7.1.2 EEPROM Address Map Table 7-10. EEPROM address map Function Address 00H 01H Table 7-8. CN19 - Power supply board Pin Signal Name I/O 1 +42V Out 2 GND - 3 +5V 4 Function 02H Explanation 00H 00H Ink counter R80 00H 00H Ink flag1 bit7 : Reserved bit6 : CSIC chg. seq2. required bit5 : In manual Cleaning seq.
EPSON Stylus C82 Revision A Table 7-10. EEPROM address map (continued) Address Explanation Setting Table 7-10.
EPSON Stylus C82 Revision A Table 7-10. EEPROM address map (continued) Address 2EH Explanation Fatal Error Code for DC Setting 00h : No error 01h-0Ch : CR motor control error FBh-FFh : PF motor control error Table 7-10. EEPROM address map (continued) QPIT Factory setting settings 00H Address CR Measurement Adjust Factor 00H 00H 30H Measurement data ave. CR (Hi Byte) 00H 00H 31H Measurement data ave. CR (Lo Byte) 00H 00H 32H Measurement data PF Iout ave.
EPSON Stylus C82 Revision A Table 7-10. EEPROM address map (continued) Address Explanation Setting QPIT Factory setting settings 53H | 64H USB ID 00H | 00H (*1) | (*1) 65H | 7EH Model name 00H | 00H | - 00H 00H : World 01H : Japan 7FH Market ID 0 : STD 2 : Custom 1 : Japan NOTE: Refer to 3.1.1.3 Fatal Error (page 22) for details of all error codes. NOTE: (*1) : Adjusted at factory. 7.2 Exploded Diagram An exploded diagram is not provided in the Stylus C82 Service Manual.
EPSON Stylus C82 Revision A 7.
EPSON Stylus C82 APPENDIX Revision A Electrical Circuits 59
EPSON Stylus C82 APPENDIX Revision A Electrical Circuits 60
EPSON Stylus C82 APPENDIX Revision A Electrical Circuits 61