SERVICE MANUAL Color Inkjet Printer EPSON Stylus Photo R280/R285/R290 SEIJ07003
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, recording, 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 Date of Issue A August 8, 2007 B September 28, 2007 Description First Release [Chapter 4] • "Main Board Unit" (Page 61): error correction. [Chapter 5] • "Overview" (Page 107): error correction.
EPSON Stylus Photo R280/R285/R290 Revision B CONTENTS Chapter 1 Product Description Chapter 3 Troubleshooting 1.1 Features................................................................................................................. 9 1.2 Printing Specifications........................................................................................ 10 1.2.1 Basic Specifications................................................................................. 10 1.2.2 Ink Cartridge.....................
EPSON Stylus Photo R280/R285/R290 4.4 Disassembling the Printer Mechanism ............................................................... 4.4.1 Removing the Printer Mechanism ........................................................... 4.4.2 Printhead.................................................................................................. 4.4.3 CR Scale .................................................................................................. 4.4.4 APG Unit ..................................
CHAPTER 1 PRODUCT DESCRIPTION
EPSON Stylus Photo R280/R285/R290 Revision B 1.1 Features EPSON Stylus Photo R280/R285/R290 are single-function color ink-jet printers. The main features are; ! High speed & High quality Maximum print resolution: MGA 5760 (H) x 1440 (V) dpi Newly developed F3 Mach Turbo II print head achieves higher print speed than ever. Six independent dye-ink cartridges enables high-resolution photo printing. CD and DVD label printing are supported.
EPSON Stylus Photo R280/R285/R290 Revision B 1.2.2 Ink Cartridge 1.2 Printing Specifications The product numbers of the EPSON ink cartridges for this printer are shown below. 1.2.1 Basic Specifications Table 1-2. Product No. of Ink Cartridges Table 1-1.
EPSON Stylus Photo R280/R285/R290 Revision B 1.2.3 Print Mode Table 1-4. Print Mode (Color) Media Print Mode Resolution (H x V) dpi Dot Size (cps)*1 Bi-d Micro Weave Border -less • Presentation Paper Matte (EAI) • Photo Quality Inkjet Paper (others) Photo*2 720x720 (2.0 pass) MC2-2 (280cps) ON ON N/A Normal 360x360 MC2-1 (360cps) OFF OFF N/A Photo Fine 720x720 MC1-1 (240cps) OFF ON N/A Photo Fine 720x720 MC1-1 (240cps) OFF ON N/A Photo*2 720x720 (2.
EPSON Stylus Photo R280/R285/R290 Revision B Table 1-5. Print Mode (Monochrome) Table 1-5.
EPSON Stylus Photo R280/R285/R290 Revision B 1.2.4 Supported Paper The table below lists the paper type and sizes supported by the printer. The Supported paper type and sizes vary depending on destinations (between EAI, EUR, and Asia). Table 1-6. Supported Paper Thickness Paper Name Weight EAI EUR Asia Paper Size mm g/m2 lb. P*1 B*2 P*1 B*2 P*1 B*2 Legal 215.9 x 355.6 mm (8.5”x14”) Y - Y - Y - Letter 215.9 x 279.4 mm (8.5”x11”) Y - Y - Y - A4 210 x 297 mm (8.3”x11.
EPSON Stylus Photo R280/R285/R290 Revision B Table 1-6. Supported Paper Thickness Paper Name mm Photo Paper Glossy (EAI) Glossy Photo Paper (others) Premium Photo Paper Semi-gloss (EAI) Premium Semigloss Photo Paper (others) Ultra Premium Photo Paper Luster Premium Presentation Paper Matte (EAI) Matte Paper Heavy-weight (others) Letter 215.9 x 279.4 mm (8.5”x11”) A4 210 x 297 mm (8.3”x11.7”) 0.25 Envelopes EAI EUR Asia g/m2 258 lb.
EPSON Stylus Photo R280/R285/R290 C A U T IO N Revision B Make sure the paper is not wrinkled, fluffed, torn, or folded. The curve of paper must be 5 mm or below. When printing on an envelope, be sure the flap is folded neatly. Do not use the adhesive envelopes. Do not use double envelopes and cellophane window envelopes. 1.3 Interface The printer has a USB interface of the following specification. ! Standards “Universal Serial Bus Specifications Revision 2.
EPSON Stylus Photo R280/R285/R290 Revision B 1.4.2 Environmental Conditions 1.4 General Specifications Table 1-10. Environmental Conditions 1.4.1 Electrical Specifications Condition Temperature*1 Humidity*1,2 ! Primary power input Operating 10 to 35°C (50 to 95°F) 20 to 80% Storage*3 (unpacked) -20 to 40°C*4 (-4°F to 104°F) 5 to 85% Table 1-9.
EPSON Stylus Photo R280/R285/R290 Revision B 1.4.3 Durability ! Total print life: Black 16,000 pages (A4, 3.5% duty), Color 10,000 pages (A4, 5% duty), or five years which ever comes first ! Printhead: Six billions shots (per nozzle) or five years which ever comes first 1.4.4 Acoustic Noise 36 dB (when printing from PC, on Premium Glossy Photo Paper, in highest quality) 1.4.5 Safety Approvals (Safety standards/EMI) USA Argentina Australia UL60950-1 FCC Part15 Subpart B Class B CAN/CSA-C22.2 No.
EPSON Stylus Photo R280/R285/R290 Revision B 1.5 Operation Buttons & Indicators (LEDs) 1.5.3 Operation Buttons & LEDs Functions Detailed information on the buttons and LEDs functions are listed below. 1.5.1 Operation Buttons Table 1-13. Operation Button Functions (During Normal Operation) The printer has the following three operation buttons. Button Table 1-11. Operation Buttons Button Power • Turns the power ON/OFF Ink • Runs a sequence of ink cartridge replacement.
EPSON Stylus Photo R280/R285/R290 Revision B Table 1-14.
EPSON Stylus Photo R280/R285/R290 Revision B 1.5.4 Errors & Remedies Table 1-16. Errors & Remedies Error Error Remedies Fatal error A mechanical error has occurred. Turn the power Off and back it On. Maintenance request Waste ink pads need to be replaced. Replace the waste ink pads and reset the counter. CD-R guide error • The CD-R guide (stacker) position does not match with the print job. • The CD-R guide (stacker) is in the CD-R printing position at power-ON.
CHAPTER 2 OPERATING PRINCIPLES
EPSON Stylus Photo R280/R285/R290 Revision B 2.1 Overview Cover Open Sensor PF Encoder Sensor APG Sensor This chapter describes the operating principles of the printer mechanism and electric circuit boards of Stylus Photo R280/R285/R290. CDR Tray Sensor 2.1.1 Printer Mechanism PF Motor The main components of the printer mechanism are shown in the table below. PF Roller Shaft Table 2-1.
EPSON Stylus Photo R280/R285/R290 Revision B 2.1.2 Motors & Sensors APG Sensor Table 2-3. List of Motors & Sensors No. 1 2 3 Motor/Sensor Name Function PF Encoder Sensor Printhead F3-MACH Turbo2 head (6 colors x 90 nozzles) CR motor Type: DC motor Drive voltage: 42V DC ± 5% (voltage applied to the driver) Coil resistance: 22.7 ! ± 10% Inductance: 17.
EPSON Stylus Photo R280/R285/R290 Revision B 2.2 Electrical Circuit Operating Principles The electric circuits of the Stylus Photo R280/R285/R290 consist of the following boards. 2.2.2 Components of Control Boards Table 2-5. Components of Control Boards Board Name System Printer ! ! ! ! Table 2-4. Main Boards & Model Numbers Board Name Main Board R280/R285/R290 C691MAIN Power Supply Board C691PSB Panel Board C691PNL Main Board 2.2.
EPSON Stylus Photo R280/R285/R290 Revision B 2.2.
EPSON Stylus Photo R280/R285/R290 Revision B 2.3 Banding Reduction System (BRS) / Paper Feed Amount Profile Correction (PFP) ! Overview In order to ensure high print quality and high print speed, this product incorporates the Banding Reduction System (BRS) and Paper Feed Profile (PFP) Correction system. The overview of them is described in the table below. Table 2-6.
TROUBLESHOOTING CHAPTER 3
EPSON Stylus Photo R280/R285/R290 Revision B 3.1.1 Troubleshooting on Motors and Sensors 3.1 Overview This chapter provides how to troubleshoot problems analyzing the cause based on the messages shown by the printer driver, printer’s LED status and the observed symptom. Identify and troubleshoot the problem referring to the tables on the following pages. When some parts need to be replaced, make sure to follow the procedure given in Chapter 4 and carry out required adjustments.
EPSON Stylus Photo R280/R285/R290 Revision B ! Message box on the window of “EPSON Status Monitor 3” 3.2 Warning / Error Indications This section describes how the printer indicates an error/warning status with LEDs, or on the screen of the printer driver when a problem arises during various operations; power-on sequence, paper feeding, ink drawing, printing, and so on. Error Message 3.2.1 Error Indication Method Descriptions of the error The Stylus Photo R280/R285/R290 are equipped with LEDs.
EPSON Stylus Photo R280/R285/R290 Revision B Table 3-3. List of Error Messages Error Name LED Indications Power Ink Paper - - - Fatal error Off Flashes at high speed Maintenance request error Off Communication error CDR Guide error Paper (CDR) jam No paper - - - STM3 Message Error Cause Check all connections and make sure all devices are on. If the The printer cannot communicate with the PC power was turned off during printing, cancel the print job. If properly.
EPSON Stylus Photo R280/R285/R290 Revision B 3.3 Troubleshooting by Error Message The following tables provide troubleshooting procedure for each error indicated by the LEDs or STM3 screen. When some parts need to be replaced or repaired, make sure to follow the procedure given in Chapter 4 and carry out required adjustments. 3.3.1 Troubleshooting Problems with Error Messages Table 3-4.
EPSON Stylus Photo R280/R285/R290 Revision B Table 3-5. Troubleshooting for Fatal Error Occurrence Timing Symptom Failed Part CR Motor Main Frame Check Point Remedy 1. Is the CR motor cable not connected to CN14 on 1. Connect the cable correctly. the Main Board? 4.3.1 “Main Board Unit”(p.61) 2. Is there a malfunction of the CR motor? 2. Replace the CR motor. 4.4.12 “CR Motor”(p.84) 1. Is their any dirt on the Main Frame? Or is the frame not adequately lubricated? 1.
EPSON Stylus Photo R280/R285/R290 Revision B Table 3-5. Troubleshooting for Fatal Error Occurrence Timing Symptom Failed Part Check Point Remedy 1. Is the Compression spring 2.36 of the Change Lever disengaged? Reference 1. Replace the ASF Unit. ASF Unit 4.4.14 “ASF Unit”(p.88) CR Motor At power-on • The CR Unit hits against the Change Lever which has come down toward the front of the printer. • The error appears after the PF roller makes quick one-turn. Compression Spring2.
EPSON Stylus Photo R280/R285/R290 Revision B Table 3-5. Troubleshooting for Fatal Error Occurrence Timing At power-on During changing the platen gap Symptom The error occurs when the PG (gap between the printhead surface and the platen) is changed with the APG Unit. Failed Part Check Point Remedy 1. Is the APG Unit installed incorrectly? 1. Install the APG Unit carefully so as not to shift the phase. 2. Is the Combination Gear 10,15.2 disengaged or attached incorrectly? 2.
EPSON Stylus Photo R280/R285/R290 Revision B Table 3-7. Troubleshooting for Ink Cartridge Detection Error/ Ink Cover Open Error/ Cartridge Empty Error Occurrence Timing Symptom Failed Part Check Point Remedy 1. Is the memory chip on the cartridge chipped or broken? Reference 1. Replace the ink cartridge. Ink Cartridge Ink Cartridge - Memory Chip Head FFC At power-on 1. Is the Head FFC not connected to the Head Board and CN10, CN11, and CN12 on the Main Board? 1.
EPSON Stylus Photo R280/R285/R290 Revision B Table 3-8. Troubleshooting for Paper Jam Error Occurrence Timing Symptom Failed Part ASF Unit Even though the printer performs paper feeding operation, the paper is not fed into the printer. Check Point Remedy 1. Is the ASF Unit installed incorrectly? 1. Install the ASF Unit correctly. 2. Is the Paper Return Lever not moving properly during the feeding operation? 2. Install the Paper Return Lever and the Torsion Spring 6.45 correctly. 1.
EPSON Stylus Photo R280/R285/R290 Revision B Table 3-8. Troubleshooting for Paper Jam Error Occurrence Timing Symptom Failed Part Check Point 3. Is the Torsion Spring 0.22 detached or attached incorrectly? Remedy Reference 3. Install the PE Sensor Lever and the Torsion Spring 0.22 correctly. PE Sensor Lever Paper is fed into the printer, but ejected at once without any printing operation. PE Sensor 4.4.17 “Front Paper Guide Assy”(p.92) Torsion Spring 0.22 Front Paper Guide 1.
EPSON Stylus Photo R280/R285/R290 Revision B Table 3-9. Troubleshooting for No Paper Error Occurrence Timing Symptom Failed Part The LD Roller rotates normally to feed paper, but the Hopper does not move. ASF Unit The LD Roller rotates normally, but paper is not fed into the printer. Check Point Remedy 1. Is the Hopper not moving properly during the feeding operation? 1. Attach the Compression Spring 2.51 correctly to the ASF Frame and the Hopper. 1. Is there any paper dust on the LD Roller? 1.
EPSON Stylus Photo R280/R285/R290 Revision B Table 3-9. Troubleshooting for No Paper Error Occurrence Timing Symptom Failed Part Check Point Remedy 3. Is the clutch damaged? Reference 3. Replace the ASF Unit. ASF LD Roller The PF Motor drive force is not transmitted to the LD Roller. ASF Unit Clutch 4. Is the Compression Spring 2.36 of the Change Lever detached? Any time 4. Replace the ASF Unit. 4.4.14 “ASF Unit”(p.88) CR Motor Compression Spring2.36 Change Lever 1.
EPSON Stylus Photo R280/R285/R290 Revision B Table 3-10. Troubleshooting for CD-R Tray Error Occurrence Timing Symptom Failed Part Check Point Remedy 1. Has the part of the CDR Tray that contacts with the CDR Tray Sensor become cracked? Contact point Reference 1. Replace the CDR Tray. CDR Tray CDR Tray - The CDR Tray is set to the printer, but the error occurs. 1. Is the CDR Sensor cable not connected to CN4 on 1. Connect the cable to the connector on the Main Board? the Main Board.
EPSON Stylus Photo R280/R285/R290 Revision B Table 3-10. Troubleshooting for CD-R Tray Error Occurrence Timing Symptom Failed Part Check Point Remedy 1. Is there any paper dust or ink stain on the PW Sensor? Reference 1. Clean off any dirt on the PW Sensor. Cable 4.4.13 “CR Unit”(p.86) PW Sensor When printing on CDs/DVDs The CDR Tray center detection sequence is interrupted, and the tray is ejected. CR Encoder Board Main Board PW Sensor 2.
EPSON Stylus Photo R280/R285/R290 Revision B 3.4 Troubleshooting by Symptom 3.4.1 Problems in Printing Operation This section provides how to troubleshoot the possible problems on the printer mechanism. No error message appears for most of the troubles described here. In the following tables, find the symptom you face and follow the troubleshooting procedure given in the table. ! Paper Feeding Problems Symptom Possible Cause Table 3-12.
EPSON Stylus Photo R280/R285/R290 Revision B Table 3-12. Troubleshooting Paper Feeding Problems Symptom Possible Cause Check Point Remedy Is the Extension Spring 1.98 at backside of the Retard Roller detached? Attach the Extension Spring correctly. Retard Roller Multiple sheets A malfunction of the are fed at a time. Retard Roller Extension Spring ASF Is the Retard Roller detached? Install the Retard Roller correctly. ! Problems with ejecting paper Table 3-13.
EPSON Stylus Photo R280/R285/R290 Revision B ! Printer initialization operation is aborted Table 3-15. Troubleshooting Initialization Stop Problems Symptom Possible Cause Remedy Improper installation of the EJ Frame Are the tabs of the EJ Frame disengaged? Reinstall the EJ Frame correctly. A malfunction of the CR Motor Is the CR Motor cable/connector disconnected? Connect the CR Motor cable to CN14 on the Main Board.
EPSON Stylus Photo R280/R285/R290 Revision B ! Print quality problems Table 3-16. Troubleshooting Print Quality Problems Symptom Printed image has missing colors, and the missed colors are always same. Missing dots appear sometimes. White streak / abnormal discharge Vertical lines are misaligned. Possible Cause Check Point Remedy Dirt on the Printhead. Run a cleaning cycle and make a test print. Repeat the operation several times.
EPSON Stylus Photo R280/R285/R290 Revision B Table 3-16. Troubleshooting Print Quality Problems Symptom Possible Cause Dirt on the CR shaft Check Point Is there any dirt on the CR shaft? Clean off any dirt on the CR shaft surface with a dry soft cloth. Is there any dirt on the PF Roller? Clean the PF Roller surface with a soft brush carefully so as not scratch it. Is the PF Roller damaged? Replace the PF Roller. Replace the ink cartridge with a new one, and print a nozzle check pattern.
EPSON Stylus Photo R280/R285/R290 Revision B 3.4.2 Power Problems The printer does not work at all after power-on. LEDs do not light up. Table 3-17. Troubleshooting Power Problems Possible Cause Check Point Remedy Power code failure Replace the power code with a new one. Does the printer work normally? The power code is defective. Use the new one.
EPSON Stylus Photo R280/R285/R290 Revision B ! Printing cannot be made properly (printed image is faint, blurry, smeared, or etc.) Table 3-19. Troubleshooting Printing Problems Symptom The carriage moves normally, but the printed image is abnormal. Possible Cause Check Point Remedy Ink cartridge failure Replace the ink cartridge with a new one, and make a test print. The printed pattern has no missing dots? The cartridge is defective. Use the new one.
EPSON Stylus Photo R280/R285/R290 Revision B 3.4.4 Problems with Interfaces This section provides how to troubleshoot problems on the USB interface and memory card slot. ! USB interface error Table 3-21. Troubleshooting USB Connection Errors Possible Cause Check Point Remedy The printer driver has not been installed correctly. On the Windows PC, go to My Computer, Properties, Hardware, Device Manager.
CHAPTER 4 DISASSEMBLY/ASSEMBLY
EPSON Stylus Photo R280/R285/R290 Revision B 4.1 Overview W A R N IN G This chapter describes procedures for disassembling the main components of the Stylus Photo R280/R285/R290. Unless otherwise specified, disassembled units or components can be reassembled by reversing the disassembly procedure. Procedures which, if not strictly observed, could result in personal injury are described under the heading “WARNING”. “CAUTION” signals a precaution which, if ignored, could result in damage to equipment.
EPSON Stylus Photo R280/R285/R290 Revision B 4.1.2 Tools Table 4-2. List of Screw Types No. Description 4 C.B.P. 3x10 5 C.B.P. 2.6x8 6 C.P. 3x4 7 C.P. 3x6 Note : All of the tools listed above are commercially available. EPSON provides the tools listed with EPSON tool code. 8 C.B.S.(P4) 3x6 4.1.3 Screws 9 C.B.P.(P2) 3x8 Use only specified tools to avoid damaging the printer. Table 4-1. List of Tools Tool Part No. Phillips Screwdriver (No.1) 1080530 Phillips Screwdriver (No.
EPSON Stylus Photo R280/R285/R290 Revision B 4.1.4 Making a Special Tool for CSIC Board 4.1.5 Work Completion Checklist The CSIC board (refer to p.73) can be easily removed by using a special tool. The method for making the tool is described below. Whenever the printer is serviced, use the checklist shown below to confirm all work is completed properly and the printer is ready to be returned to the user. 1. Make sure to always check the maintenance counter before disassembling the printer.
EPSON Stylus Photo R280/R285/R290 Revision B Table 4-4.
EPSON Stylus Photo R280/R285/R290 Revision B Securing the Paper Support Assy (tape: 80mm x 3 pcs., fold one end by 5mm) Prepare a commercially available 280cm-width x 80cm-length vinyl sheet to avoid scratches on the exterior parts, and secure the sheet with strong tape. Attach the strong tapes on both sides of the Paper Support Assy as shown in the figure below. 1. 2.
EPSON Stylus Photo R280/R285/R290 Revision B 4.1.6 Required Preparation before Disassembly Make sure to carry out the following operations before disassembling the printer. When the Main Board needs to be replaced, make a backup copy of EEPROM data. Unlock the carriage lock and move the CR Unit to other than its home position. “4.1.8 How to Unlock the Carriage” 4.1.8 How to Unlock the Carriage Unlocking the carriage is required for disassembly of some parts or components.
EPSON Stylus Photo R280/R285/R290 Revision B 4.1.9 Disassembly Flowchart The flowchart below shows step-by-step disassembly procedures. When disassembling each unit, refer to the page number shown in the figure. START Printer Cover (p.58) C H E C K P O IN T The color and shape of the printer illustrated in this manual may differ from the final product. Paper Support Assy (p.58) Stacker Assy / Stacker Cover (p.59) Panel Assy/ Cover Open Sensor (p.64) Printhead (p.72) APG Sensor Assy (p.
EPSON Stylus Photo R280/R285/R290 Revision B 4.2 Removing Exterior Parts/Components 4.2.2 Paper Support Assy Parts/Components need to be removed in advance: Nothing 4.2.1 Printer Cover Removal procedure Parts/Components need to be removed in advance: Nothing Removal procedure 1. Pull out the left shaft and right shaft of the Printer Cover, and remove the Printer Cover. Open the Paper Support Assy.
EPSON Stylus Photo R280/R285/R290 Revision B 4.2.4 Upper Housing 4.2.3 Stacker Assy / Stacker Cover Parts/Components need to be removed in advance: Nothing Parts/Components need to be removed in advance Removal procedure Printer Cover / Paper Support Assy 1. 2. 3. Removal procedure Open the Stacker Cover. Remove the Stacker Assy. Release the Stacker Cover from the two shafts and remove the Stacker Cover. 1. Remove the four screws and remove the Upper Housing upward. Screw : C.B.P.
EPSON Stylus Photo R280/R285/R290 2. Revision B Slide the Front Housing in the direction of the arrow and remove the Front Housing from the Upper Housing. Grooves [Rear Side] Front Housing Ribs Figure 4-15. Removing the Front Housing When installing the Upper Housing, be careful of the following: ! Do not pinch the cables. ! Tighten the screws in the order given in Fig.4-14 (p.59). ! Match the ribs of the Upper Housing shown in Fig.4-14 (p.59) with the grooves of the Lower Housing. ! As shown in Fig.
EPSON Stylus Photo R280/R285/R290 Revision B 4.3 Removing Control Boards Table 4-5. List of Connectors and their Destinations CN No.@ CN16 CN17 4.3.1 Main Board Unit Parts/Components need to be removed in advance 3. Printer Cover / Paper Support Assy / Upper Housing Removal procedure ! 1. 2. Main Board Unit removal Disconnect all connectors on the Main Board Unit. Peel off the double-sided tape that secures the Panel FFC to the Holder Frame and release the Panel FFC. (Fig.4-23 (p.
EPSON Stylus Photo R280/R285/R290 4. Revision B Remove the three screws and remove the Main Board Unit. Screw (2 pcs.): C.B.P.(P2) M3x8 (tightening torque: 5-7 kgf.cm) (No.9) Screw (1 pc.): C.B.S. M3x6 (tightening torque: 7-9 kgf.cm) (No.1) (The numbers shown in the figure indicate the order of tightening the screws.) [Upper Side] [Left Side] 3 Rib 2 After connecting the cables, secure them with acetate tape following the procedures below. 1.
EPSON Stylus Photo R280/R285/R290 ! 1. Disassembling the Main Board Unit Remove the Main Board Unit (p.61). C A U T IO N ! ! 2. Revision B C A U T IO N Do not apply unnecessary force on the screw receiving parts of the Lower Shield Plate M/B, as they are easy to deform. When assembling or disassembling the Upper Shield Plate M/B, be careful of its sharp edges. Remove the seven screws and remove the Upper Shield Plate M/B. Screw (6 pcs.): C.B.S. M3x6 (tightening torque: 5-7 kgf.cm) (No.1) Screw (1 pc.
EPSON Stylus Photo R280/R285/R290 Revision B 4.3.2 Panel Assy/ Cover Open Sensor C A U T IO N When removing the screw (2) shown in Fig.4-24, be careful not to damage the Cover Open Sensor Cable and CDR Sensor Cable. Parts/Components need to be removed in advance Printer Cover / Paper Support Assy / Housing Upper Removal procedure 6. ! Panel Assy removal 1. 2. Peel off the acetate tape C.
EPSON Stylus Photo R280/R285/R290 Revision B When Installing the Panel Assy, be careful of the following: ! Tighten the screws in the order given in Fig.4-24. ! When routing the FFCs and cables, follow the procedures below referring to Fig.4-25. 1. Route the Panel FFC aligning its upper edge with the reference line marked on the Cable Holder Frame, and secure the FFC with double-sided tape. 2. Attach the acetate tape C along with the edge of the Cable Holder Frame to secure the Panel FFC and Head FFC. 3.
EPSON Stylus Photo R280/R285/R290 Revision B ! Panel Board / Buttons Removal 1. 2. Remove the Panel Assy. (p.64) Remove the screw of the Panel Unit. Screw : C.B.P. M3x10 (tightening torque: 3-5 kgf.cm) (No.4) Slide the Panel Unit in the upper right direction and remove it. 3. 6. Disengage the hook on the back of the Panel Board and remove the Panel Board. [Back Side] Positioning Hole and Guide Pin Hook [Rear Side] Panel Board Hook of the Panel Shield Plate Panel Unit Figure 4-30.
EPSON Stylus Photo R280/R285/R290 Revision B When installing the Panel Unit, be careful of the following: ! When installing the Panel Shield Plate to the Open Sensor Holder, match the hook and guide pins with the positioning holes shown in Fig.4-32 and insert the Panel Shield Plate into the groove of the Open Sensor Holder to secure the Panel Shield Plate. ! Cover Open Sensor Removal 1. 2. Remove the Panel Assy. (p.
EPSON Stylus Photo R280/R285/R290 Revision B 4.3.3 P/S Assy Parts/Components need to be removed in advance Printer Cover / Paper Support Assy / Upper Housing / Main Board Unit / Panel Assy / Cover Open Sensor / Printer Mechanism Removal procedure 1. 2. Peel off the acetate tape and remove the ferrite core from the groove of the Lower Housing. Remove the screw that secures the P/S Assy, and remove the P/S Assy from the Lower Housing. Screw : C.B.P M3x10 (tightening torque: 5-7 kgf.cm) (No.
EPSON Stylus Photo R280/R285/R290 Revision B 4.4 Disassembling the Printer Mechanism C A U T IO N 4.4.1 Removing the Printer Mechanism Parts/Components need to be removed in advance Printer Cover / Paper Support Assy / Upper Housing / Main Board Unit / Panel Assy / Cover Open Sensor ! ! Do not touch the PF Scale with bare hands or damage it. If the Printer Mechanism is tilted leftward about 15°, the PF Scale hits against the desk surface and can break.
EPSON Stylus Photo R280/R285/R290 C A U T IO N ! ! 2. Revision B When removing the Waste Ink Tube, take care not to contaminate the printer and surroundings with ink. Extra care must be exercised not to scratch or damage the Waste Ink Tube. 6. Disconnect the connector of the CDR Guide Sensor. CDR Guide Sensor CDR Guide Sensor Cable Pull out the Waste Ink Tube by hand. Waste Ink Tube Figure 4-41. Removing the Printer Mechanism (2) 7. Remove the five screws and remove the Printer Mechanism.
EPSON Stylus Photo R280/R285/R290 Revision B ! When installing the Printer Mechanism, be careful of the following: ! Secure the Ink Tube Cover with the hook after inserting the two ribs shown in Fig.4-37 (p.69). ! Wipe off any ink on the joint portion of the Waste Ink Tube before reconnecting the tube. Ink on the joint portion makes the tube likely to get disconnected. ! As shown in Fig.
EPSON Stylus Photo R280/R285/R290 Revision B 3. 4.4.2 Printhead C A U T IO N ! ! Disconnect the CSIC FFC from the connector ( When removing the Head FFC Cover and the Head FFC Cover Inner, do not use tools with sharp ends as the FFC may get damaged. Be careful not to damage the FFC and cables when disengaging the hook of the CSIC Assy. ) on the CSIC Board. CSIC FFC Parts/Components need to be removed in advance Figure 4-46.
EPSON Stylus Photo R280/R285/R290 5. Revision B Using the special tool (see p.53) disengage the hook A of the CSIC Assy on the left back of the Carriage Unit. [Back Side] C A U T IO N CSIC Assy Hook A Take extra care not to spill ink and contaminate the surroundings. Be extremely careful not to touch the nozzle surface, the ink supply needles and the Head Cover, otherwise the nozzles may get clogged. Head Cover Printhead Special Tool Figure 4-48. Removing the CSIC Assy (1) Nozzle surface 6. 7.
EPSON Stylus Photo R280/R285/R290 9. Revision B Remove the two Head FFCs from the connectors on the back, and remove the Printhead. 4.4.3 CR Scale C A U T IO N Printhead During the disassembly/reassembly of the Printer Mechanism, take extra care not to touch the CR Scale with bare hands, and not to contaminate or scratch it.
EPSON Stylus Photo R280/R285/R290 Revision B Install the CR Scale with its cut-corner facing upward. Hitch one end of the Torsion Spring to the hole of the CR Scale from the back side of the CR Scale. Hitch from the back side Cut-corner 4.4.4 APG Unit Parts/Components need to be removed in advance Printer Cover / Paper Support Assy / Upper Housing Removal procedure 1. Remove the two screws taking care not to lose the gears, and remove the APG Unit. Screw : C.B.S. M3x6 (tightening torque: 7-9 kgf.
EPSON Stylus Photo R280/R285/R290 ! ! Revision B Lubrication is required. See the page given below for the lubrication information. Lubrication of APG Unit (p.117) Install the APG Unit following the procedure below. 1. Put a pin (thinner than Ø2mm) through the positioning holes of the Main Frame and the right PG Cam on the CR Shaft. 3. Install the APG Unit to the Main Frame. Positioning Hole APG Unit Pin Pin (1) Right PG Cam Figure 4-57. Reinstalling the APG Unit (1) Figure 4-59.
EPSON Stylus Photo R280/R285/R290 Revision B 4.4.5 Waste Ink Tray 4.4.
EPSON Stylus Photo R280/R285/R290 Revision B 4.4.7 Left & Right Guide Stackers / CDR Guide Sensor ! Parts/Components need to be removed in advance Printer Cover / Paper Support Assy / Upper Housing / Main Board Unit / Panel Assy / Cover Open Sensor / Printer Mechanism ! Removal procedure C A U T IO N Left / Right Guide Stacker Removal 1. Remove the screw and remove the Left Guide Stacker. Screw : C.B.P. M3x8 (tightening torque: 5-7 kgf.cm) (No.3) Remove the screw and remove the Right Guide Stacker.
EPSON Stylus Photo R280/R285/R290 Revision B 4.4.8 Ink System C A U T IO N ! ! ! Take extra care not to spill ink and contaminate the surroundings. Also, when removing the Waste Ink Tube, be careful not to spill the ink. Extra care must be taken to avoid injury from sharp edges of the rib of the Main Frame. Be careful not to drop and damage the shaft of the Carriage Lock and the Torsion Spring, as they easily come off. Pump Section 1. 2. Move the CR Unit to the center.
EPSON Stylus Photo R280/R285/R290 5. Revision B Remove the Ink System in the following procedures. 1.Slide it to the right. 2.Rotate it in the direction of the arrow (1) and release the pump part from the Main Frame. 3.Pull it out toward you (arrow (2)). 4.4.9 EJ Frame Assy Parts/Components need to be removed in advance Printer Cover / Paper Support Assy / Upper Housing / Main Board Unit / Panel Assy / Cover Open Sensor / Printer Mechanism Removal procedure 1. 2. Pump 3.
EPSON Stylus Photo R280/R285/R290 4. 5. 6. Revision B Disconnect the PF Encoder FFC from the PF Encoder. Remove the two screws, disengage the two hooks of the Cable Holder Frame from the Front Frame and Main Frame, and remove the Cable Holder Frame. Screw : C.B.S. M3x6 (tightening torque: 7-9 kgf.cm) (No.1) 8. Remove the screws on the right and left sides, and remove the Front Frame. Screw : C.B.S. M3x6 (tightening torque: 7-9 kgf.cm) (No.
EPSON Stylus Photo R280/R285/R290 Revision B ! When installing the EJ Frame Assy, be careful of the following: ! Lubrication is required. See the page given below for the lubrication information. Lubrication of EJ Frame Assy (p.115) ! As shown in Fig.4-77, insert the two bearings of the EJ Frame Assy over the EJ Roller Shaft. EJ Frame Assy When installing the Front Frame, screw it after securing the foot of the two EJ Frame Springs to the slits as shown in the figure.
EPSON Stylus Photo R280/R285/R290 Revision B 4.4.10 PF Encoder / PF Scale C A U T IO N 4.4.11 PF Motor Take extra care not to contaminate or scratch the PF Scale. Never touch the scale with bare hands. C A U T IO N Be careful not to damage the Pinion Gear of the PF Motor.
EPSON Stylus Photo R280/R285/R290 Revision B 4.4.12 CR Motor C A U T IO N Parts/Components need to be removed in advance When assembling or disassembling the CR Motor, be careful of the three sharp hooks of the Main Frame shown in Fig.4-84. Printer Cover / Paper Support Assy / Upper Housing / Main Board Unit / Panel Assy / Cover Open Sensor / Printer Mechanism 3. Removal procedure 1. Remove the Extension Spring of the Driven Pulley Assy from the rear side.
EPSON Stylus Photo R280/R285/R290 ! Revision B When routing the CR Motor Cable and PE Sensor Cable, refer to Fig.4-86 and follow the steps below. 1. Wrap the CR Motor Cable with the acetate tape A (30 mm) at the position of 100 mm away from the acetate tape that is on the CR Motor side. 2. Tie the two cables together with the acetate tape B (20 mm) at the position 60mm/40mm away from the acetate tape A/ PE Sensor connector. 3.
EPSON Stylus Photo R280/R285/R290 Revision B 4. 4.4.13 CR Unit Parts/Components need to be removed in advance 5. Printer Cover / Paper Support Assy / Upper Housing / Main Board Unit / Panel Assy / Cover Open Sensor / Printer Mechanism / APG Unit Disengage the end of the Spring (2) from the hook, and the other end from the slit of the CR shaft, and remove the Spring (2). Remove the washer by expanding the gap between the washer and the Right PG Cam using a pair of Tweezers, and remove the Right PG Cam.
EPSON Stylus Photo R280/R285/R290 7. Revision B Remove the CR Shaft from the CR Unit. ! CR Unit CR Shaft ! ! Figure 4-91. Removing the CR Unit (4) 8. ! Lubrication is required. See the page given below for the lubrication information. Lubrication of CR Unit (p.116) Before attaching the right PG cam, remove the APG Unit and install the cam matching its phase with the APG Unit. (Refer to Reinstalling the APG Unit (p.
EPSON Stylus Photo R280/R285/R290 C H E C K P O IN T Revision B Remove the Cartridge Cover following the steps below. The Hinge, Cover Cartridge need to be cut with a nipper or similar tool to be removed. Therefore, whenever replacing the Cartridge Cover, the Hinge, Cover Cartridge also must be replaced with a new one. 1. Cut the convex portion of the Hinge, Cover Cartridge with a nipper or similar tool. 2. Disengage the hook from the opening made by the cut and remove the Hinge, Cover Cartridge. 3.
EPSON Stylus Photo R280/R285/R290 4. Revision B Remove the Torsion Spring 137.7 from the LD Roller Guide. 3. 4. Torsion Spring Disengage the two hooks (1) (2) that secure the ASF Unit from the Main Frame. Remove the Combination Gear (10,15.2), then remove the ASF Unit while releasing the edge of the Change Lever from the hole of the Main Frame. Hook (1) LD Roller Guide Change Lever Figure 4-98. Removing the LD Roller Guide (2) ! 1.
EPSON Stylus Photo R280/R285/R290 ! ! ! ! 1. Revision B Lubrication is required. See the page given below for the lubrication information. Lubrication of ASF Unit (p.118) When installing the ASF Unit, make sure that the Combination Gear, tip of the Change Lever and the two hooks are securely attached. Also make sure that there is appropriate space at both the left and right of the Change Lever. Tighten the screws in the order given in Fig.4-100 (p.89).
EPSON Stylus Photo R280/R285/R290 C H E C K P O IN T Revision B The figure below is the Upper Paper Guide. The two thin shafts indicated with the arrows are likely to break, however, the Upper Paper Guide does not need to be replaced even if the shafts become broken. Because the shafts do not go on the bushings of the Printer Frame. 4.4.16 APG Sensor Assy Parts/Components need to be removed in advance Printer Cover / Paper Support Assy / Upper Housing / Main Board Unit Removal procedure 1.
EPSON Stylus Photo R280/R285/R290 Revision B 2. 4.4.17 Front Paper Guide Assy 3. C A U T IO N Do not touch the surface of the rubber roller of the EJ Roller Assy and the coated part of the PF Roller Assy as it can adversely affect the print quality. Disconnect the connector of the PE Sensor Cable on the rear side of the printer. Remove the screw that secures the Front Paper Guide Assy. Screw : C.B.S. M3x6 (tightening torque: 7-9 kgf.cm) (No.
EPSON Stylus Photo R280/R285/R290 5. Revision B Remove the Front Paper Guide Assy, following the steps below. (1) Lift part to disengage the left side of the Front Paper Guide Assy. ! (2) Slide the assy leftward little by little to disengage the right side of the assy. Cutout [Left Front Bottom Side] CDR Tray Sensor Cable (3) Remove the Front Paper Guide Assy while releasing its shaft from the cutout of the rib on the left side of the Main Frame.
EPSON Stylus Photo R280/R285/R290 ! Revision B Place the four tips of the Front Paper Guide Pad on the Waste Ink Pad. [Bottom Side] 4.4.
ADJUSTMENT CHAPTER 5
EPSON Stylus Photo R280/R285/R290 Revision B 5.1 Adjustment Items and Overview This chapter describes adjustments necessary after the disassembly/reassembly of the printer. C H E C K P O IN T For information on how to carry out the adjustments and media required for the adjustments, see the instructions displayed by the Adjustment Program. 5.1.1 Servicing Adjustment Item List The adjustment items of this product are as follows. Table 5-1.
EPSON Stylus Photo R280/R285/R290 Revision B Table 5-1. Adjustment Items Adjustment Item Purpose Method Outline Tool • Adjustment Program Bi-D adjustment Corrects print start timing in bi-directional printing to improve the print A Bi-D adjustment pattern is printed. Examine the patterns and enter quality. the value for the pattern with no gap and overlap for each mode. First dot position adjustment Corrects left margin of printout.
EPSON Stylus Photo R280/R285/R290 Revision B Table 5-2. Maintenance Items Maintenance Item Purpose Method Outline Head cleaning This function is used to execute Cleaning efficiently when ink is not delivered from the Head properly, e.g. dot missing. Waste ink pad counter The printer causes a maintenance error when the waste ink pad counter reaches its maximum. Use this to reset the counter after replacing the Waste Ink Pad.
EPSON Stylus Photo R280/R285/R290 Revision B 5.1.2 Required Adjustments The table below lists the required adjustments depending upon the parts being repaired or replaced. Find the part(s) you removed or replaced, and check which adjustment(s) must be carried out. Note : “O” indicates that the adjustment must be carried out. “O*” indicates that the adjustment is recommended. “---” indicates that the adjustment is not required.
EPSON Stylus Photo R280/R285/R290 Revision B Table 5-4.
EPSON Stylus Photo R280/R285/R290 Revision B 5.2.2 Head Angular Adjustment 5.2 Using the Adjustment Program This section describes how to judge the adjustment patterns printed by the Adjustment Program. For information on how to operate the Adjustment Program, see the instructions displayed by the Adjustment Program. 5.2.1 Top Margin Adjustment Two patterns are printed as shown below. Band pattern The following pattern is printed.
EPSON Stylus Photo R280/R285/R290 Revision B Microweave Pattern 5.2.3 Bi-D Adjustment The pattern shown below is printed for each of the 7 print modes. +3 +2 +1 0 -1 -2 -3 25 Figure 5-3. Head Angular Adjustment (Microweave) Pattern 20 22 24 26 28 30 32 How to Judge 27 Examine the printout +3 to -3 patterns and select the value for the group of which the gaps between the 2 color bars are the smallest. Figure 5-4.
EPSON Stylus Photo R280/R285/R290 Revision B 5.2.4 PW Adjustment/First Dot Position Adjustment Patterns are printed as shown below.
EPSON Stylus Photo R280/R285/R290 Revision B PF- for bottom margin area 5.2.5 PF Adjustment Patterns are printed as shown below. PF- for standard print area Patterns are printed as shown below. -3 Upper block -2 -1 0 1 2 3 5 4 Lower block 3 Figure 5-7. PF Adjustment (bottom margin area) Pattern 2 How to Judge 1 0 Enter the value for the one that has no gap or overlap between the upper block and the lower block. -2 Example: In the above figure, “0” should be selected.
EPSON Stylus Photo R280/R285/R290 Revision B 5.2.6 PG Adjustment C A U T IO N Described below is the platen gap (PG) adjustment. Purpose: Adjust the distance between the head surface and the Paper Guide Front Assy (platen) properly and adjust the parallelism on the 0th column side and on the 80th columns side to ensure reliable print quality.
EPSON Stylus Photo R280/R285/R290 Revision B Adjustment procedure ! C A U T IO N Specified PG value: 1.2 ± 0.1 mm 1. Install new ink cartridges in the carriage. 2. Remove the Cable Holder Frame. (Fig. 4-73) 3. Check that the APG Assy and the carriage are in the PG-position. (Fig. 5-8) 4. The Printhead must come in contact with the 1.3 mm thickness gauges but must not come in contact with the 1.15 mm thickness gauges. Pull the belt to move the carriage Gauge (1.15 or 1.
EPSON Stylus Photo R280/R285/R290 Revision B 5.3 Banding Reduction System (BRS) Adjustment / Paper Feed Amount Profile (PFP) Correction The following are the scanners that can be used for scanning the pattern in BRS/PFP adjustment. When starting up the adjustment program, select the scanner to use. Table 5-7. Specified Scanner for BRS/PFP Adjustment 5.3.1 Overview Model Name This section explains how to carry out BRS/PFP adjustments.
EPSON Stylus Photo R280/R285/R290 Revision B Adjustment Flow C H E C K P O IN T Carry out the adjustment following the adjustment flow below. START Printing the BRS Adjustment Pattern Printing the PFP Check Pattern Scanning the BRS Adjustment Pattern NG Judging the Check Pattern OK NG Error? " OK "#$* When an error is displayed in the Adjustment program, check the points below, then carry out the adjustment again.
EPSON Stylus Photo R280/R285/R290 Revision B Scanning the BRS Adjustment Pattern 5.3.2 Adjustment Procedure 5. Set the printed pattern and the PFP Base Scale on the document table and click the [Scan] button on the “3. Scan Test Pattern” column. 6. According to the scanned result, BRS calibration values are automatically calculated and are written to the serial flash ROM.
EPSON Stylus Photo R280/R285/R290 Revision B Scanning the PFP Adjustment Pattern 5.3.2.2 PFP Adjustment Printing the PFP Adjustment Pattern 1. Load 4 x 6 Premium Glossy Photo Paper on the paper support. 2. Select [PFP Adjustment] in the adjustment program. 3. Click the [Print] button on the “1. Print Test Pattern” column to print the adjustment pattern. 4. Set the PFP Base Scale and the PFP test pattern on the document table and click the [Scan] button on the “3. Scan Test Pattern” column. 5.
EPSON Stylus Photo R280/R285/R290 Revision B Judging the Check Pattern Printing the PFP Check Pattern 6. Set 4 x 6 Premium Glossy Photo Paper on the paper support and click the [Print] Button on the “4. Print Check Pattern” column. 7. Referring to Fig. 5-18 check that there is no white or overlapped bands in all the check patterns. If any bands are found, carry out the steps below. 1. Re-print the check pattern to see if the bands appear again. 2.
MAINTENANCE CHAPTER 6
EPSON Stylus Photo R280/R285/R290 Revision B 6.1.2 Service Maintenance 6.1 Overview This section provides information to maintain the printer in its optimum condition. 6.1.1 Cleaning This printer has no mechanical components which require regular cleaning except the Print Head. Therefore, when returning the printer to the user, check the following parts and perform appropriate cleaning if stain is noticeable.
EPSON Stylus Photo R280/R285/R290 Revision B 6.1.3 Lubrication The type and amount of the grease used to lubricate the printer parts are determined based on the results of the internal evaluations. Be sure to apply the specified type and amount of the grease to the specified parts during servicing mentioned below.
EPSON Stylus Photo R280/R285/R290 Revision B LUBRICATION OF FRONT PAPER GUIDE ASSY Front Paper Guide Assy (left) LUBRICATION OF EJ FRAME ASSY PF Roller Shaft, EJ Roller Shaft and Bushing (3 points) EJ Frame Assy Busing (Left/Right back side) EJ Frame Assy Bushing G-71 ø 1 x 3 mm x 3 points Left Right Apply after installing the Front Paper guide Application Point Apply with Injector Make sure that
EPSON Stylus Photo R280/R285/R290 Front Frame contact point (right) Revision B Contact position of the Front Frame and the PE Frame Assy (2 points) PG Cam on both ends of CR Shaft Left Right G-71 Rib Apply after installing the CR Shaft Apply before installing the Front Frame Apply with Injector Apply with Injector Apply to the inner edge of the notch for spring.
EPSON Stylus Photo R280/R285/R290 Contact point between CR Unit and CR Shaft (1) Revision B Contact point between CR Unit and the CR Shaft LUBRICATION OF INK SYSTEM Contact point between Main Frame and I/S G-71 CR Shaft 210 ± 20mg x 2 points G-71 Apply before installing the CR Unit Application Point On the Main Frame where the clutch gear and spring of the Ink System contact ø
EPSON Stylus Photo R280/R285/R290 Rim of the APG Unit Spur Gear 28.8 Revision B Around the rim of the Spur Gear 28.8 G-71 LD Roller Shaft (Curved surface) USB I/F side Clutch side ø 1 x 1 circle Apply before installing the ASF Unit Apply with Injector Application Point Figure 6-16.
EPSON Stylus Photo R280/R285/R290 LD Roller Shaft (Curved surface) (Ribs beside the LD Roller) Revision B Contact point between the LD Roller and Hopper, ASF Gear G-71 ø 1 x 1/4-circle x 4 points Apply before assembling the LD Roller Holder Application Point Apply with Injector Rotate the LD Roller Shaft so that the Curved/Flat surface face up, then apply grease to the specified parts. Figure 6-20.
APPENDIX CHAPTER 7
EPSON Stylus Photo R280/R285/R290 Revision B 7.1 Exploded Diagram / Parts List 7.2 Electrical Circuits This manual does not provide exploded diagrams or parts list. The electric circuit diagrams below are shown at the following pages: For the information, see SPI (Service Parts Information). Chapter 7 Appendix ! Main Board (C691 MAIN) ! Panel Board (C691 PNL) ! Power Board (C691 PSB) ! Power Board (C691 PSE) 7.
Model : PM-G860 Stylus Photo R280/R285/R290 Board : C691 MAIN Rev.
Model : PM-G860 Stylus Photo R280/R285/R290 Board : C691 PNL Rev.
Model : PM-G860 Stylus Photo R280/R285/R290 Board : C691 PSB Rev.
Model : PM-G860 Stylus Photo R280/R285/R290 Board : C691 PSE Rev.
