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Epson Stylus PhotoR280 Service Manual
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Epson Stylus PhotoR280 Service Manual

Epson stylus photo color inkjet printer service manual
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SERVICE MANUAL

Color Inkjet Printer
EPSON Stylus Photo R280/R285/R290
SEIJ07003

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Summary of Contents for Epson Stylus PhotoR280

  • Page 1: Service Manual

    SERVICE MANUAL Color Inkjet Printer EPSON Stylus Photo R280/R285/R290 SEIJ07003...
  • Page 2 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. However, should any errors be detected, SEIKO EPSON would greatly appreciate being informed of them.
  • Page 3 MAKE CERTAIN THAT THE SOURCE VOLTAGES IS THE SAME AS THE RATED VOLTAGE, LISTED ON THE SERIAL NUMBER/RATING PLATE. IF THE EPSON PRODUCT HAS A PRIMARY AC RATING DIFFERENT FROM AVAILABLE POWER SOURCE, DO NOT CONNECT IT TO THE POWER SOURCE.

  • Page 4: About This Manual

    Provides Epson-approved methods for adjustment. CHAPTER 6.MAINTENANCE Provides preventive maintenance procedures and the lists of Epson- May indicate an operating or maintenance procedure, practice or approved lubricants and adhesives required for servicing the product. condition that is necessary to accomplish a task efficiently. It may also...
  • Page 5 Revision Status Revision Date of Issue Description August 8, 2007 First Release September 28, 2007 [Chapter 4] • "Main Board Unit" (Page 61): error correction. [Chapter 5] • "Overview" (Page 107): error correction.

  • Page 6: Table Of Contents

    EPSON Stylus Photo R280/R285/R290 Revision B CONTENTS Chapter 1 Product Description Chapter 3 Troubleshooting 1.1 Features......................... 9 3.1 Overview ......................28 3.1.1 Troubleshooting on Motors and Sensors..........28 1.2 Printing Specifications..................10 1.2.1 Basic Specifications................. 10 3.2 Warning / Error Indications................29 1.2.2 Ink Cartridge....................
  • Page 7 EPSON Stylus Photo R280/R285/R290 Revision B Chapter 6 Maintenance 4.4 Disassembling the Printer Mechanism ............... 69 4.4.1 Removing the Printer Mechanism ............69 6.1 Overview ......................113 4.4.2 Printhead....................72 6.1.1 Cleaning....................113 4.4.3 CR Scale ....................74 6.1.2 Service Maintenance ................113 4.4.4 APG Unit ....................
  • Page 8 C H A P T E R PRODUCT DESCRIPTION...

  • Page 9: 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.

  • Page 10: Printing Specifications

    EPSON Stylus Photo R280/R285/R290 Revision B 1.2 Printing Specifications 1.2.2 Ink Cartridge 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. Printer Specifications...

  • Page 11: Print Mode

    EPSON Stylus Photo R280/R285/R290 Revision B 1.2.3 Print Mode Table 1-4. Print Mode (Color) Print Resolution Dot Size Micro Border Media Bi-d Table 1-4. Print Mode (Color) Mode (H x V) dpi (cps)* Weave -less Print Resolution Dot Size Micro Border •...
  • Page 12 EPSON Stylus Photo R280/R285/R290 Revision B Table 1-5. Print Mode (Monochrome) Table 1-5. Print Mode (Monochrome) Print Resolution Dot Size Micro Border Print Resolution Dot Size Micro Border Media Bi-d Media Bi-d Mode (H x V) dpi (cps)* Weave -less...

  • Page 13: Supported Paper

    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...
  • Page 14 EPSON Stylus Photo R280/R285/R290 Revision B Table 1-6. Supported Paper Thickness Weight Asia Paper Name Paper Size Letter 215.9 x 279.4 mm (8.5”x11”) 210 x 297 mm (8.3”x11.7”) Photo Paper Glossy (EAI) 0.25 Glossy Photo Paper (others) 5” x 7”...

  • Page 15: Printing Area

    EPSON Stylus Photo R280/R285/R290 Revision B 1.3 Interface Make sure the paper is not wrinkled, fluffed, torn, or folded. The curve of paper must be 5 mm or below. The printer has a USB interface of the following specification. When printing on an envelope, be sure the flap is folded neatly.

  • Page 16: General Specifications

    EPSON Stylus Photo R280/R285/R290 Revision B 1.4 General Specifications 1.4.2 Environmental Conditions Table 1-10. Environmental Conditions 1.4.1 Electrical Specifications *1,2 Condition Temperature Humidity Shock Vibration Primary power input 10 to 35°C 0.15G, Operating 20 to 80% (50 to 95°F) 10 to 55Hz (1 msec or less) Table 1-9.

  • Page 17: Durability

    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...

  • Page 18: Operation Buttons & Indicators (Leds)

    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.
  • Page 19 EPSON Stylus Photo R280/R285/R290 Revision B Table 1-14. Operation Button Functions (During CD-R Printing) Table 1-15. Indicators (LEDs) Function Button CD-R Tray Function Indicators (LEDs) Pri- Printer Status ority* Power Paper • Recovers form a CD-R tray error. • Cancels the print job during printing.

  • Page 20: Errors & Remedies

    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 Waste ink pads need to be...
  • Page 21 C H A P T E R OPERATING PRINCIPLES...

  • Page 22: Overview

    EPSON Stylus Photo R280/R285/R290 Revision B 2.1 Overview Cover Open Cover Open PF Encoder Sensor APG Sensor Sensor Sensor This chapter describes the operating principles of the printer mechanism and electric circuit boards of Stylus Photo R280/R285/R290. CDR Tray PF Motor Sensor 2.1.1 Printer Mechanism...

  • Page 23: Motors & Sensors

    EPSON Stylus Photo R280/R285/R290 Revision B 2.1.2 Motors & Sensors APG Sensor Table 2-3. List of Motors & Sensors PF Motor Motor/Sensor Name Function PF Encoder Sensor Printhead F3-MACH Turbo2 head (6 colors x 90 nozzles) Type: DC motor ±...

  • Page 24: Electrical Circuit Operating Principles

    EPSON Stylus Photo R280/R285/R290 Revision B 2.2 Electrical Circuit Operating Principles 2.2.2 Components of Control Boards Table 2-5. Components of Control Boards The electric circuits of the Stylus Photo R280/R285/R290 consist of the following Board Name Incorporated Components boards. Logic circuit Table 2-4.

  • Page 25: Circuit Block Diagram

    EPSON Stylus Photo R280/R285/R290 Revision B 2.2.3 Circuit Block Diagram CN14 CR Motor Data Flash-ROM (IC1) Address Motor Driver PF Motor CN13 (IC8) SDRAM Data (IC2) Address PF Encoder Sensor CPU-ASIC (IC5) RESET IC APG Sensor (IC3) PE Sensor EEPROM...
  • Page 26 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.
  • Page 27 C H A P T E R TROUBLESHOOTING...

  • Page 28: Overview

    EPSON Stylus Photo R280/R285/R290 Revision B 3.1 Overview 3.1.1 Troubleshooting on Motors and Sensors The following tables show the normal electric values of each motor and sensor. When This chapter provides how to troubleshoot problems analyzing the cause based on the any abnormality is observed in motors and sensors, check their electric values and messages shown by the printer driver, printer’s LED status and the observed symptom.

  • Page 29: Warning / Error Indications

    Revision B 3.2 Warning / Error Indications Message box on the window of “EPSON Status Monitor 3” 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;...
  • Page 30 No ink cartridge Light ....Table 3-7 (p.35) Ink cartridge(s) was not detected. Epson recommends the genuine Epson cartridges listed Wrong ink cartridge Light above. Click the How to button for ink cartridge replacement instructions. The Cover Open Sensor detects the Printer Cover Close the printer cover.

  • Page 31: Troubleshooting By Error Message

    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.
  • Page 32 EPSON Stylus Photo R280/R285/R290 Revision B Table 3-5. Troubleshooting for Fatal Error Occurrence Symptom Failed Part Check Point Remedy Reference Timing 1. Is the CR motor cable not connected to CN14 on 4.3.1 “Main Board 1. Connect the cable correctly.
  • Page 33 EPSON Stylus Photo R280/R285/R290 Revision B Table 3-5. Troubleshooting for Fatal Error Occurrence Symptom Failed Part Check Point Remedy Reference Timing 1. Replace the ASF Unit. 1. Is the Compression spring 2.36 of the Change Lever disengaged? ASF Unit 4.4.14 “ASF Unit”(p.88) CR Motor •...
  • Page 34 EPSON Stylus Photo R280/R285/R290 Revision B Table 3-5. Troubleshooting for Fatal Error Occurrence Symptom Failed Part Check Point Remedy Reference Timing 1. Is the APG Unit installed incorrectly? 1. Install the APG Unit carefully so as not to shift the phase.
  • Page 35 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 Symptom Failed Part Check Point Remedy Reference Timing 1. Is the memory chip on the cartridge chipped or 1.
  • Page 36 EPSON Stylus Photo R280/R285/R290 Revision B Table 3-8. Troubleshooting for Paper Jam Error Occurrence Symptom Failed Part Check Point Remedy Reference Timing 1. Is the ASF Unit installed incorrectly? 1. Install the ASF Unit correctly. 4.4.14 “ASF ASF Unit 2. Is the Paper Return Lever not moving properly 2.
  • Page 37 EPSON Stylus Photo R280/R285/R290 Revision B Table 3-8. Troubleshooting for Paper Jam Error Occurrence Symptom Failed Part Check Point Remedy Reference Timing 3. Is the Torsion Spring 0.22 detached or attached 3. Install the PE Sensor Lever and the incorrectly? Torsion Spring 0.22 correctly.
  • Page 38 EPSON Stylus Photo R280/R285/R290 Revision B Table 3-9. Troubleshooting for No Paper Error Occurrence Symptom Failed Part Check Point Remedy Reference Timing 1. Is the Hopper not moving properly during the 1. Attach the Compression Spring 2.51 The LD Roller rotates normally to...
  • Page 39 EPSON Stylus Photo R280/R285/R290 Revision B Table 3-9. Troubleshooting for No Paper Error Occurrence Symptom Failed Part Check Point Remedy Reference Timing 3. Is the clutch damaged? 3. Replace the ASF Unit. LD Roller Clutch The PF Motor drive force is not ASF Unit 4.
  • Page 40 EPSON Stylus Photo R280/R285/R290 Revision B Table 3-10. Troubleshooting for CD-R Tray Error Occurrence Symptom Failed Part Check Point Remedy Reference Timing 1. Has the part of the CDR Tray that contacts with 1. Replace the CDR Tray. the CDR Tray Sensor become cracked?
  • Page 41 EPSON Stylus Photo R280/R285/R290 Revision B Table 3-10. Troubleshooting for CD-R Tray Error Occurrence Symptom Failed Part Check Point Remedy Reference Timing 1. Is there any paper dust or ink stain on the PW 1. Clean off any dirt on the PW Sensor.

  • Page 42: Troubleshooting By Symptom

    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.
  • Page 43 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 Attach the Extension Spring correctly. Roller detached? Retard Roller Multiple sheets A malfunction of the are fed at a time.
  • Page 44 EPSON Stylus Photo R280/R285/R290 Revision B Printer initialization operation is aborted Table 3-15. Troubleshooting Initialization Stop Problems Symptom Possible Cause Check Point Remedy Improper installation of the Are the tabs of the EJ Frame disengaged? Reinstall the EJ Frame correctly.
  • Page 45 EPSON Stylus Photo R280/R285/R290 Revision B Print quality problems Table 3-16. Troubleshooting Print Quality Problems Symptom Possible Cause Check Point Remedy Run a cleaning cycle and make a test print. Repeat the operation Clean the Printhead surface with a cotton swab.
  • Page 46 EPSON Stylus Photo R280/R285/R290 Revision B Table 3-16. Troubleshooting Print Quality Problems Symptom Possible Cause Check Point Remedy Dirt on the CR shaft Is there any dirt on the CR shaft? Clean off any dirt on the CR shaft surface with a dry soft cloth.

  • Page 47: Power Problems

    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.
  • Page 48 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 Possible Cause Check Point Remedy Replace the ink cartridge with a new one, and make a test print. The The cartridge is defective.

  • Page 49: Problems With Interfaces

    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 On the Windows PC, go to My Computer, Properties, Hardware, Device Manager.

  • Page 50: Chapter 4 Disassembly/Assembly

    C H A P T E R DISASSEMBLY/ASSEMBLY...

  • Page 51: Overview

    EPSON Stylus Photo R280/R285/R290 Revision B 4.1 Overview Disconnect the power cable before disassembling or assembling the printer. This chapter describes procedures for disassembling the main components of the Stylus If you need to work on the printer with power applied, strictly Photo R280/R285/R290.

  • Page 52: Tools

    C.P. 3x6 2 pins (thinner than Ø2mm) Strong tape C.B.S.(P4) 3x6 Note : All of the tools listed above are commercially available. EPSON provides the tools listed with EPSON tool code. 4.1.3 Screws C.B.P.(P2) 3x8 The screws used in the printer are as shown in the table below. Make sure you always Table 4-3.

  • Page 53: Making A Special Tool For Csic Board

    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 Whenever the printer is serviced, use the checklist shown below to confirm all work is method for making the tool is described below.
  • Page 54 EPSON Stylus Photo R280/R285/R290 Revision B Table 4-4. Work Completion Checklist PROTECTION FOR TRANSPORTATION Classification Item Check Point Status Before packing the printer to be returned to the user, attach several pieces of strong Packing Are the ink cartridges installed...
  • Page 55 EPSON Stylus Photo R280/R285/R290 Revision B Securing the Paper Support Assy Securing the Stacker Cover (tape: 80mm x 3 pcs., fold one end by 5mm) (tape: 60mm x 1 pc., fold one end by 5mm) Have a commercially available 280mm-width x 80mm-length vinyl sheet to cover the Prepare a commercially available 280cm-width x 80cm-length vinyl sheet to avoid exterior parts, and secure the sheet with strong tape.

  • Page 56: Required Preparation Before Disassembly

    EPSON Stylus Photo R280/R285/R290 Revision B 4.1.6 Required Preparation before Disassembly 4.1.8 How to Unlock the Carriage Unlocking the carriage is required for disassembly of some parts or components. Make sure to carry out the following operations before disassembling the printer.

  • Page 57: Disassembly Flowchart

    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 The color and shape of the printer illustrated in this manual may differ from the final product.

  • Page 58: Removing Exterior Parts/Components

    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 Open the Paper Support Assy.

  • Page 59: Stacker Assy / Stacker Cover

    EPSON Stylus Photo R280/R285/R290 Revision B 4.2.3 Stacker Assy / Stacker Cover 4.2.4 Upper Housing Parts/Components need to be removed in advance: Nothing Parts/Components need to be removed in advance Removal procedure Printer Cover / Paper Support Assy Open the Stacker Cover.
  • Page 60 EPSON Stylus Photo R280/R285/R290 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.

  • Page 61: Removing Control Boards

    EPSON Stylus Photo R280/R285/R290 Revision B 4.3 Removing Control Boards Table 4-5. List of Connectors and their Destinations No.@ Color Destination Number of pins PW Sensor / CR Encoder Sensor CN16 6pin 4.3.1 Main Board Unit Cover Open Sensor CN17...
  • Page 62 EPSON Stylus Photo R280/R285/R290 Revision B Remove the three screws and remove the Main Board Unit. After connecting the cables, secure them with acetate tape • Screw (2 pcs.): C.B.P.(P2) M3x8 (tightening torque: 5-7 kgf.cm) (No.9) following the procedures below.
  • Page 63 EPSON Stylus Photo R280/R285/R290 Revision B Disassembling the Main Board Unit Be careful of the sharp edges shown in the figure below when Remove the Main Board Unit (p.61). assembling or reassembling. Do not apply unnecessary force on the screw receiving parts of the Lower Shield Plate M/B, as they are easy to deform.

  • Page 64: Panel Assy/ Cover Open Sensor

    EPSON Stylus Photo R280/R285/R290 Revision B 4.3.2 Panel Assy/ Cover Open Sensor 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...
  • Page 65 EPSON Stylus Photo R280/R285/R290 Revision B When Installing the Panel Assy, be careful of the following: As shown in Fig.4-26, route the CDR Sensor Cable and Cover Open Sensor Cable through the gap between the two ribs of Tighten the screws in the order given in Fig.4-24.
  • Page 66 EPSON Stylus Photo R280/R285/R290 Revision B Panel Board / Buttons Removal Disengage the hook on the back of the Panel Board and remove the Panel Board. Remove the Panel Assy. (p.64) Remove the screw of the Panel Unit. Positioning Hole...
  • Page 67 EPSON Stylus Photo R280/R285/R290 Revision B Cover Open Sensor Removal When installing the Panel Unit, be careful of the following: When installing the Panel Shield Plate to the Open Sensor Remove the Panel Assy. (p.64) Holder, match the hook and guide pins with the positioning...

  • Page 68: P/S Assy

    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 Peel off the acetate tape and remove the ferrite core from the groove of the Lower Housing.

  • Page 69: Disassembling The Printer Mechanism

    EPSON Stylus Photo R280/R285/R290 Revision B 4.4 Disassembling the Printer Mechanism Do not touch the PF Scale with bare hands or damage it. If the Printer Mechanism is tilted leftward about 15°, the PF 4.4.1 Removing the Printer Mechanism Scale hits against the desk surface and can break. After...
  • Page 70 EPSON Stylus Photo R280/R285/R290 Revision B Disconnect the connector of the CDR Guide Sensor. When removing the Waste Ink Tube, take care not to contaminate the printer and surroundings with ink. CDR Guide Sensor Extra care must be exercised not to scratch or damage the Waste Ink Tube.
  • Page 71 EPSON Stylus Photo R280/R285/R290 Revision B When installing the Printer Mechanism, be careful of the When installing the Cover Case, match the two guide pins and following: their two positioning holes as shown in Fig.4-44. Secure the Ink Tube Cover with the hook after inserting the...

  • Page 72: Printhead

    EPSON Stylus Photo R280/R285/R290 Revision B 4.4.2 Printhead Disconnect the CSIC FFC from the connector ( ) on the CSIC Board. 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.
  • Page 73 EPSON Stylus Photo R280/R285/R290 Revision B Using the special tool (see p.53) disengage the hook A of the CSIC Assy on Take extra care not to spill ink and contaminate the surroundings. the left back of the Carriage Unit. Be extremely careful not to touch the nozzle surface, the ink supply...

  • Page 74: Cr Scale

    EPSON Stylus Photo R280/R285/R290 Revision B 4.4.3 CR Scale Remove the two Head FFCs from the connectors on the back, and remove the 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.

  • Page 75: Apg Unit

    EPSON Stylus Photo R280/R285/R290 Revision B 4.4.4 APG Unit Install the CR Scale with its cut-corner facing upward. Hitch one end Parts/Components need to be removed in advance of the Torsion Spring to the hole of the CR Scale from the back side of the CR Scale.
  • Page 76 EPSON Stylus Photo R280/R285/R290 Revision B Lubrication is required. See the page given below for the Install the APG Unit to the Main Frame. 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.

  • Page 77: Waste Ink Tray

    EPSON Stylus Photo R280/R285/R290 Revision B 4.4.5 Waste Ink Tray 4.4.6 Waste Ink Pad Parts/Components need to be removed in advance Parts/Components need to be removed in advance Printer Cover / Paper Support Assy / Upper Housing / Main Board Unit / Panel Assy /...

  • Page 78: Left & Right Guide Stackers / Cdr Guide Sensor

    EPSON Stylus Photo R280/R285/R290 Revision B 4.4.7 Left & Right Guide Stackers / CDR Guide Sensor When installing the Left Guide Stacker, insert the rib indicated with Fig.4-65 and match the positioning holes and guide Parts/Components need to be removed in advance pins indicated with (two pairs).

  • Page 79: Ink System

    EPSON Stylus Photo R280/R285/R290 Revision B 4.4.8 Ink System Move the CR Unit to the center. Remove the screw (1) that secures the Cap section. Screw : 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.)

  • Page 80: Ej Frame Assy

    EPSON Stylus Photo R280/R285/R290 Revision B 4.4.9 EJ Frame Assy Remove the Ink System in the following procedures. 1.Slide it to the right. Parts/Components need to be removed in advance 2.Rotate it in the direction of the arrow (1) and release the pump part from the Main Frame.
  • Page 81 EPSON Stylus Photo R280/R285/R290 Revision B Disconnect the PF Encoder FFC from the PF Encoder. Remove the screws on the right and left sides, and remove the Front Frame. Remove the two screws, disengage the two hooks of the Cable Holder Frame •...
  • Page 82 EPSON Stylus Photo R280/R285/R290 Revision B When installing the EJ Frame Assy, be careful of the following: 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.

  • Page 83: Pf Encoder / Pf Scale

    EPSON Stylus Photo R280/R285/R290 Revision B 4.4.10 PF Encoder / PF Scale 4.4.11 PF Motor Take extra care not to contaminate or scratch the PF Scale. Never Be careful not to damage the Pinion Gear of the PF Motor. touch the scale with bare hands.

  • Page 84: Cr Motor

    EPSON Stylus Photo R280/R285/R290 Revision B 4.4.12 CR Motor When assembling or disassembling the CR Motor, be careful of the three sharp hooks of the Main Frame shown in Fig.4-84. Parts/Components need to be removed in advance Printer Cover / Paper Support Assy / Upper Housing / Main Board Unit / Panel Assy /...
  • Page 85 EPSON Stylus Photo R280/R285/R290 Revision B When routing the CR Motor Cable and PE Sensor Cable, refer Lubrication is required. See the page given below for the Fig.4-86 and follow the steps below. lubrication information. Lubrication of Driven Pulley (p.114) 1.

  • Page 86: Cr Unit

    EPSON Stylus Photo R280/R285/R290 Revision B 4.4.13 CR 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). Parts/Components need to be removed in advance 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.
  • Page 87 EPSON Stylus Photo R280/R285/R290 Revision B Remove the CR Shaft from the CR Unit. Lubrication is required. See the page given below for the lubrication information. Lubrication of CR Unit (p.116) CR Unit CR Shaft Before attaching the right PG cam, remove the APG Unit and install the cam matching its phase with the APG Unit.

  • Page 88: Asf Unit

    EPSON Stylus Photo R280/R285/R290 Revision B 4.4.14 ASF Unit Remove the Cartridge Cover following the steps below. The Hinge, Cover Cartridge need to be cut with a nipper or similar tool to be Parts/Components need to be removed in advance removed.
  • Page 89 EPSON Stylus Photo R280/R285/R290 Revision B Remove the Torsion Spring 137.7 from the LD Roller Guide. 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 Torsion Spring releasing the edge of the Change Lever from the hole of the Main Frame.

  • Page 90: Upper Paper Guide

    EPSON Stylus Photo R280/R285/R290 Revision B 4.4.15 Upper Paper Guide Lubrication is required. See the page given below for the lubrication information. Be sure to follow the procedure below to remove the Upper Lubrication of ASF Unit (p.118) Paper Guide to avoid damaging the PE Sensor Lever.

  • Page 91: Apg Sensor Assy

    EPSON Stylus Photo R280/R285/R290 Revision B 4.4.16 APG Sensor Assy The figure below is the Upper Paper Guide. The two thin shafts indicated with the arrows are likely to break, however, the Upper Parts/Components need to be removed in advance...

  • Page 92: Front Paper Guide Assy

    EPSON Stylus Photo R280/R285/R290 Revision B 4.4.17 Front Paper Guide Assy 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.1)
  • Page 93 EPSON Stylus Photo R280/R285/R290 Revision B Remove the Front Paper Guide Assy, following the steps below. When installing the Front Paper Guide Assy, pull out the CDR (1) Lift part to disengage the left side of the Front Paper Guide Assy.

  • Page 94: Cdr Tray Sensor

    EPSON Stylus Photo R280/R285/R290 Revision B 4.4.18 CDR Tray Sensor Place the four tips of the Front Paper Guide Pad on the Waste Parts/Components need to be removed in advance Ink Pad. Printer Cover / Paper Support Assy / Upper Housing / Main Board Unit / Panel Assy /...
  • Page 95 C H A P T E R ADJUSTMENT...

  • Page 96: Chapter 5 Adjustment

    EPSON Stylus Photo R280/R285/R290 Revision B 5.1 Adjustment Items and Overview For information on how to carry out the adjustments and media required for the adjustments, see the instructions displayed by the This chapter describes adjustments necessary after the disassembly/reassembly of the Adjustment Program.
  • Page 97 EPSON Stylus Photo R280/R285/R290 Revision B Table 5-1. Adjustment Items Adjustment Item Purpose Method Outline Tool • Adjustment Program Corrects print start timing in bi-directional printing to improve the print A Bi-D adjustment pattern is printed. Examine the patterns and enter Bi-D adjustment quality.
  • Page 98 EPSON Stylus Photo R280/R285/R290 Revision B Table 5-2. Maintenance Items Maintenance Item Purpose Method Outline Tool • Adjustment Program This function is used to execute Cleaning efficiently when ink is not The head cleaning is performed automatically. After the cleaning, print a Head cleaning delivered from the Head properly, e.g.

  • Page 99: Required Adjustments

    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 : <Meaning of the marks in the table>...
  • Page 100 EPSON Stylus Photo R280/R285/R290 Revision B Table 5-4. Adjustment Items Priority Adjustment Item Part Name Front Paper Guide Remove Assy (including PF Replace Shaft) Remove PF Motor Replace Remove Waste Ink Tray Replace (Waste Ink Tray) Remove Waste Ink Pad...

  • Page 101: Using The Adjustment Program

    EPSON Stylus Photo R280/R285/R290 Revision B 5.2 Using the Adjustment Program 5.2.2 Head Angular Adjustment Two patterns are printed as shown below. This section describes how to judge the adjustment patterns printed by the Adjustment Band pattern Program. For information on how to operate the Adjustment Program, see the instructions displayed by the Adjustment Program.

  • Page 102: Bi-D Adjustment

    EPSON Stylus Photo R280/R285/R290 Revision B 5.2.3 Bi-D Adjustment Microweave Pattern The pattern shown below is printed for each of the 7 print modes. Figure 5-3. Head Angular Adjustment (Microweave) Pattern How to Judge 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.

  • Page 103: Pw Adjustment/First Dot Position Adjustment

    EPSON Stylus Photo R280/R285/R290 Revision B 5.2.4 PW Adjustment/First Dot Position Adjustment PW adjustment Patterns are printed as shown below. How to Judge 5 mm Enter the value for the line that is exactly 5mm away from the paper edge for each of...

  • Page 104: Pf Adjustment

    EPSON Stylus Photo R280/R285/R290 Revision B 5.2.5 PF Adjustment PF- for bottom margin area PF- for standard print area Patterns are printed as shown below. Patterns are printed as shown below. Upper block Lower block Figure 5-7. PF Adjustment (bottom margin area) Pattern...

  • Page 105: Pg Adjustment

    Housing Lower. (Install the Linear Scale after adjustment.) deviation of the platen gap. Refer to “4.4.1 Removing the Printer Mechanism” (p.69) With EPSON Stylus Photo R280/R285/R290, four stages of PG Table 5-5. PG Positions setting are available by means of the APG Mechanism. Application for Printing...
  • Page 106 EPSON Stylus Photo R280/R285/R290 Revision B Adjustment procedure The Printhead must come in contact with the 1.3 mm thickness Specified PG value: 1.2 ± 0.1 mm gauges but must not come in contact with the 1.15 mm thickness gauges. Install new ink cartridges in the carriage.

  • Page 107: Banding Reduction System (Brs) Adjustment / Paper Feed Amount Profile (Pfp) Correction

    EPSON Stylus Photo R280/R285/R290 Revision B 5.3 Banding Reduction System (BRS) Adjustment / 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.
  • Page 108 EPSON Stylus Photo R280/R285/R290 Revision B Adjustment Flow When an error is displayed in the Adjustment program, check the points below, then carry out the adjustment again. If an error Carry out the adjustment following the adjustment flow below. occurs even after checking the points below, change the scanner with a different one and carry out the adjustment again.

  • Page 109: Adjustment Procedure

    EPSON Stylus Photo R280/R285/R290 Revision B 5.3.2 Adjustment Procedure Scanning the BRS Adjustment Pattern Set the printed pattern and the PFP Base Scale on the document table and click the 5.3.2.1 BRS (Banding Reduction System) Adjustment [Scan] button on the “3. Scan Test Pattern” column.
  • Page 110 EPSON Stylus Photo R280/R285/R290 Revision B 5.3.2.2 PFP Adjustment Scanning the PFP Adjustment Pattern Set the PFP Base Scale and the PFP test pattern on the document table and click Printing the PFP Adjustment Pattern the [Scan] button on the “3. Scan Test Pattern” column.
  • Page 111 EPSON Stylus Photo R280/R285/R290 Revision B Printing the PFP Check Pattern Judging the Check Pattern Set 4 x 6 Premium Glossy Photo Paper on the paper support and click the [Print] Referring to Fig. 5-18 check that there is no white or overlapped bands in all the Button on the “4.
  • Page 112 C H A P T E R MAINTENANCE...

  • Page 113: Overview

    This section provides information to maintain the printer in its optimum condition. the “Maintenance request error”, take the following actions to clear the error. (This error is displayed in EPSON Status Monitor 3 and with LED.) 6.1.1 Cleaning 6.1.2.1 Print Head cleaning This printer has no mechanical components which require regular cleaning except the Print Head.

  • Page 114: Lubrication

    EPSON Stylus Photo R280/R285/R290 Revision B 6.1.3 Lubrication <Lubrication Points> Two points on bushings for the Pulley The type and amount of the grease used to lubricate the printer parts are determined Driven Pulley Holder Shaft based on the results of the internal evaluations. Be sure to apply the specified type and One point at the center of the Pulley amount of the grease to the specified parts during servicing mentioned below.
  • Page 115 EPSON Stylus Photo R280/R285/R290 Revision B LUBRICATION OF FRONT PAPER GUIDE ASSY LUBRICATION OF EJ FRAME ASSY <Lubrication Points> <Lubrication Points> Front Paper Guide Assy (left) PF Roller Shaft, EJ Roller Shaft and EJ Frame Assy Busing Bushing (3 points)
  • Page 116 EPSON Stylus Photo R280/R285/R290 Revision B <Lubrication Points> <Lubrication Points> Contact position of the Front Frame and PG Cam on both ends of CR Shaft On the PG Cams attached to the both Front Frame contact point (right) the PE Frame Assy...
  • Page 117 EPSON Stylus Photo R280/R285/R290 Revision B LUBRICATION OF INK SYSTEM <Lubrication Points> Contact point between CR Unit and the Contact point between CR Unit and CR Shaft (1) CR Shaft <Lubrication Points> Contact point between <Type> On the Main Frame where the clutch...
  • Page 118 EPSON Stylus Photo R280/R285/R290 Revision B <Lubrication Points> <Lubrication Points> Rim of the APG Unit Spur Gear 28.8 Around the rim of the Spur Gear 28.8 Contact point between the LD Roller LD Roller Shaft (Curved surface) Shaft and the Hopper, ASF Gear <Type>...
  • Page 119 EPSON Stylus Photo R280/R285/R290 Revision B <Lubrication Points> Contact point between the LD Roller LD Roller Shaft (Curved surface) and Hopper, ASF Gear (Ribs beside the LD Roller) <Type> G-71 <Application Amount> ø 1 x 1/4-circle x 4 points <Application Timing>...
  • Page 120 C H A P T E R APPENDIX...

  • Page 121: Exploded Diagram / Parts List

    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: Main Board (C691 MAIN) For the information, see SPI (Service Parts Information).
  • Page 122 Model : PM-G860 Stylus Photo R280/R285/R290 Board : C691 MAIN Rev. : A Sheet : 1/1...
  • Page 123 Model : PM-G860 Stylus Photo R280/R285/R290 Board : C691 PNL Rev. : A Sheet : 1/1...
  • Page 124 Model : PM-G860 Stylus Photo R280/R285/R290 Board : C691 PSB Rev. : A Sheet : 1/1...
  • Page 125 Model : PM-G860 Stylus Photo R280/R285/R290 Board : C691 PSE Rev. : A Sheet : 1/1...

This manual is also suitable for:

Stylus photo r285Stylus photo r290Stylus photo r280