Epson Stylus Photo R280 Service Manual

Epson Stylus Photo R280 Service Manual

Color inkjet printer
Hide thumbs Also See for Stylus Photo R280:
Table of Contents

Advertisement

SERVICE MANUAL

Color Inkjet Printer
Epson Stylus Photo R280/R285/R290
Epson Artisan 50/
Epson Stylus Photo T50/T59/T60/P50
Confidential
SEIJ07-004

Advertisement

Table of Contents
loading

Summary of Contents for Epson Stylus Photo R280

  • Page 1: Service Manual

    SERVICE MANUAL Color Inkjet Printer Epson Stylus Photo R280/R285/R290 Epson Artisan 50/ Epson Stylus Photo T50/T59/T60/P50 Confidential SEIJ07-004...
  • 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 C H E C K approved lubricants and adhesives required for servicing the product.
  • Page 5 [Chapter 4] • "4.1.9 Procedural Differences (p.59)" is added. • "4.5 Disassembly/reassembly procedures of Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 (p.99)" is added. [Chapter 5] • "5.3 Banding Reduction System (BRS) Adjustment / Paper Feed Amount Profile (PFP) Correction (p.115)"...
  • Page 6: Table Of Contents

    EPSON Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C CONTENTS Chapter 1 Product Description Chapter 3 Troubleshooting 1.1 Features......................... 9 3.1 Overview ......................30 3.1.1 Troubleshooting on Motors and Sensors..........30 1.2 Printing Specifications..................10 1.2.1 Basic Specifications................. 10 3.2 Warning / Error Indications................
  • Page 7 EPSON Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C Chapter 6 Maintenance 4.3.3 P/S Assy....................71 4.4 Disassembling the Printer Mechanism ............... 72 6.1 Overview ......................121 4.4.1 Removing the Printer Mechanism ............72 6.1.1 Cleaning....................121 4.4.2 Printhead....................75 6.1.2 Service Maintenance ................
  • Page 8: Product Description

    C H A P T E R PRODUCT DESCRIPTION Confidential...
  • Page 9: Chapter 1 Product Description

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 1.1 Features Epson Stylus Photo R280/R285/R290 and Epson Artisan 50/Epson Stylus Photo T50/ T59/T60/P50 are single-function color ink-jet printers. The main features are; High speed & High quality Maximum print resolution: 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/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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 1-3. Product No. of Ink Cartridges Table 1-2. Printer Specifications...
  • Page 11: Print Mode

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 1.2.3 Print Mode Table 1-5. Print Mode (Color) Resolution Print Dot Size Micro Border Table 1-5. Print Mode (Color) Media (H x V) Bi-d Mode (cps)* Weave -less Resolution...
  • Page 12 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C Table 1-6. Print Mode (Monochrome) Table 1-6. Print Mode (Monochrome) Resolution Resolution Print Dot Size Micro Border Print Dot Size Micro Border Media (H x V) Bi-d Media (H x V)
  • Page 13: Supported Paper

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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 1-7.
  • Page 14 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C Table 1-7. Supported Paper Thickness Weight Asia Paper Name Paper Size 210 x 297 mm (8.3”x11.7”) Photo Paper (others) 5” x 7” 127 x 178 mm 0.24 4” x 6”...
  • Page 15: Printing Area

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 1.2.5 Printing Area Make sure the paper is not wrinkled, fluffed, torn, or folded. C A U T I O N The curve of paper must be 5 mm or below.
  • Page 16: Interface

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 1.3 Interface Table 1-10. Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Product When IEEE 1284.4 is Enabled When IEEE 1284.4 is Disabled The printer has a USB interface of the following specification.
  • Page 17: General Specifications

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 1.4 General Specifications 1.4.2 Environmental Conditions Table 1-12. 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)
  • Page 18: Durability

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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 19: Operation Buttons & Indicators (Leds)

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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 1-15. Operation Button Functions (During Normal Operation) The printer has the following three operation buttons.
  • Page 20 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C Table 1-16. Operation Button Functions (During CD-R Printing) Table 1-17. Indicators (LEDs) Function Indicators (LEDs) Button CD-R Tray Function Pri- Printer Status ority* Power Paper • Recovers form a CD-R tray error.
  • Page 21: Errors & Remedies

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 1.5.4 Errors & Remedies Table 1-18. 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 22: Operating Principles

    C H A P T E R OPERATING PRINCIPLES Confidential...
  • Page 23: Overview

    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 and Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50. CDR Tray PF Motor Sensor 2.1.1 Printer Mechanism PF Roller Shaft The main components of the printer mechanism are shown in the table below.
  • Page 24: Motors & Sensors

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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 25 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 2.2 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 26: Power-On Sequence

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 2.3 Power-On Sequence Table 2-5. Operation of the power-on sequence Carriage/PF roller Operation movement and position This section describes the power-on sequences. 4. Releasing the CR lock Condition 4-1.The PF Motor rotates clockwise and releases the position Completing ink charge.
  • Page 27 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C Table 2-5. Operation of the power-on sequence Table 2-5. Operation of the power-on sequence Carriage/PF roller Carriage/PF roller Operation Operation movement and position movement and position 6-2.The PF Motor rotates clockwise while monitoring 11.Setting the APG to PG--...
  • Page 28: Printer Initialization

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 2.4 Printer Initialization Table 2-5. Operation of the power-on sequence Carriage/PF roller Operation There are four kinds of initialization method, and the following explains each movement and position initialization 13.Detecting ink cartridge and initializing ink system...
  • Page 29: Troubleshooting

    C H A P T E R TROUBLESHOOTING Confidential...
  • Page 30: Overview

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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 31: Warning / Error Indications

    The Epson Stylus Photo R280/R285/R290 and Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 are equipped with LEDs. You can check most of the troubles with the status of the LEDs or messages shown on the windows of “EPSON Status Monitor 3”. (See 1.5.3 “Operation Buttons &...
  • Page 32: List Of Error Messages

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C Table 3-3. List of Error Messages LED Indications See the table for Error Name STM3 Message Error Cause Troubleshooting Power Paper Check all connections and make sure all devices are on. If the...
  • Page 33: Troubleshooting By Error Message

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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 34 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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.
  • Page 35 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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...
  • Page 36 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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 37 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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 38 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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.
  • Page 39 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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 40 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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...
  • Page 41 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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...
  • Page 42 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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.
  • Page 43 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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 44: Troubleshooting By Symptom

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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 45 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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?
  • Page 46: Troubleshooting Initialization Stop Problems

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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 47: Troubleshooting Print Quality Problems

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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 48 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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 49: Power Problems

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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.
  • Page 50 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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 51: Problems With Interfaces

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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...
  • Page 52: Chapter 4 Disassembly/Assembly

    C H A P T E R DISASSEMBLY/ASSEMBLY Confidential...
  • Page 53: Overview

    W A R N I N G the printer. This chapter describes procedures for disassembling the main components of the Epson If you need to work on the printer with power applied, strictly Stylus Photo R280/R285/R290 and Epson Artisan 50/Epson Stylus Photo T50/T59/ follow the instructions in this manual.
  • Page 54: 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 55: Making A Special Tool For Csic Board

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 4.1.4 Making a Special Tool for CSIC Board 4.1.5 Work Completion Checklist The CSIC board (refer to p.76) 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 56 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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...
  • Page 57 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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)
  • Page 58: Required Preparation Before Disassembly

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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 59: Procedural Differences

    The disassembly/reassembly procedures of Epson Stylus Photo R280/R285/R290 and Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 are different. Unless otherwise specified, this chapter describes Epson Stylus Photo R280/R285/R290. Refer to the pages mentioned below for the disassembly/reassembly procedures of Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50.
  • Page 60: Disassembly Flowchart

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 4.1.10 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...
  • Page 61: Removing Exterior Parts/Components

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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 62: Stacker Assy / Stacker Cover

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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 63 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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 64: Removing Control Boards

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 4.3 Removing Control Boards Table 4-6. 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...
  • Page 65 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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)
  • Page 66 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C Disassembling the Main Board Unit Be careful of the sharp edges shown in the figure below when C A U T I O N Remove the Main Board Unit (p.64).
  • Page 67: Panel Assy/ Cover Open Sensor

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 4.3.2 Panel Assy/ Cover Open Sensor When removing the screw (2) shown in Fig.4-24, be careful not to C A U T I O N damage the Cover Open Sensor Cable and CDR Sensor Cable.
  • Page 68 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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 69 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C Panel Board / Buttons Removal Disengage the hook on the back of the Panel Board and remove the Panel Board. Remove the Panel Assy. (p.67) Remove the screw of the Panel Unit.
  • Page 70 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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.67)
  • Page 71: P/S Assy

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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...
  • Page 72: Disassembling The Printer Mechanism

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 4.4 Disassembling the Printer Mechanism Do not touch the PF Scale with bare hands or damage it. C A U T I O N If the Printer Mechanism is tilted leftward about 15°, the PF 4.4.1 Removing the Printer Mechanism...
  • Page 73 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C Disconnect the connector of the CDR Guide Sensor. When removing the Waste Ink Tube, take care not to C A U T I O N contaminate the printer and surroundings with ink.
  • Page 74 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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.
  • Page 75: Printhead

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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 C A U T I O N Cover Inner, do not use tools with sharp ends as the FFC may get damaged.
  • Page 76 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C Using the special tool (see p.55) disengage the hook A of the CSIC Assy on Take extra care not to spill ink and contaminate the surroundings. C A U T I O N the left back of the Carriage Unit.
  • Page 77: Cr Scale

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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, C A U T I O N take extra care not to touch the CR Scale with bare hands, and not to contaminate or scratch it.
  • Page 78: Apg Unit

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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 79 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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.125) Install the APG Unit following the procedure below.
  • Page 80: Waste Ink Tray

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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 81: Left & Right Guide Stackers / Cdr Guide Sensor

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 4.4.7 Left & Right Guide Stackers / CDR Guide Sensor Whenever the Waste Ink Pad is replaced, the required A D J U S T M E N T...
  • Page 82: Ink System

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 4.4.8 Ink System When installing the Left Guide Stacker, insert the rib indicated with Fig.4-65 and match the positioning holes and guide pins indicated with (two pairs). Take extra care not to spill ink and contaminate the...
  • Page 83 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C Move the CR Unit to the center. Remove the Ink System in the following procedures. Remove the screw (1) that secures the Cap section. 1.Slide it to the right.
  • Page 84: Ej Frame Assy

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 4.4.9 EJ Frame Assy Disconnect the PF Encoder FFC from the PF Encoder. Remove the two screws, disengage the two hooks of the Cable Holder Frame Parts/Components need to be removed in advance from the Front Frame and Main Frame, and remove the Cable Holder Frame.
  • Page 85 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C Remove the screws on the right and left sides, and remove the Front Frame. When installing the EJ Frame Assy, be careful of the following: • Screw : C.B.S. M3x6 (tightening torque: 7-9 kgf.cm) (No.1)
  • Page 86: Pf Encoder / Pf Scale

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 4.4.10 PF Encoder / PF Scale 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 87: Pf Motor

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 4.4.11 PF Motor 4.4.12 CR Motor Parts/Components need to be removed in advance Printer Cover / Paper Support Assy / Upper Housing / Main Board Unit / Panel Assy / Be careful not to damage the Pinion Gear of the PF Motor.
  • Page 88 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C When assembling or disassembling the CR Motor, be careful of the When routing the CR Motor Cable and PE Sensor Cable, refer C A U T I O N three sharp hooks of the Main Frame shown in Fig.4-84.
  • Page 89: Cr Unit

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 4.4.13 CR Unit Lubrication is required. See the page given below for the lubrication information. Parts/Components need to be removed in advance Lubrication of Driven Pulley (p.122) Printer Cover / Paper Support Assy / Upper Housing / Main Board Unit / Panel Assy /...
  • Page 90 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C Disengage the end of the Spring (2) from the hook, and the other end from the Remove the CR Shaft from the CR Unit. slit of the CR shaft, and remove the Spring (2).
  • Page 91 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C Lubrication is required. See the page given below for the Remove the Cartridge Cover following the steps below. The Hinge, C H E C K lubrication information. Cover Cartridge need to be cut with a nipper or similar tool to be P O I N T Lubrication of CR Unit (p.124)
  • Page 92: Asf Unit

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 4.4.14 ASF Unit Remove the Torsion Spring 137.7 from the LD Roller Guide. Parts/Components need to be removed in advance Torsion Spring Printer Cover / Paper Support Assy / Upper Housing / Main Board Unit / Panel Assy /...
  • Page 93 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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. Lubrication is required. See the page given below for the lubrication information.
  • Page 94: Upper Paper Guide

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 4.4.15 Upper Paper Guide Upper Paper Guide Be sure to follow the procedure below to remove the Upper C A U T I O N Paper Guide to avoid damaging the PE Sensor Lever.
  • Page 95: Apg Sensor Assy

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 4.4.16 APG Sensor Assy Whenever the Front Paper Guide Assy is removed or replaced, the A D J U S T M E N T R E Q U I R E D Parts/Components need to be removed in advance required adjustments must be carried out.
  • Page 96: Front Paper Guide Assy

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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.
  • Page 97 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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 98: Cdr Tray Sensor

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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 99: Disassembly/Reassembly Procedures Of Epson Artisan 50/Epson Stylus Photo T50

    Figure 4-116. Removing the Panel Assy (2) Cable Holder Panel FFC Main Board Frame Double sided Tape Figure 4-115. Removing the Panel Assy (1) Chapter 4 Disassembly/Assembly 4.5.1 Panel Assy (Disassembly/reassembly procedures of Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50) Confidential...
  • Page 100 Cable Holder Frame. Hook Ref. Line Figure 4-117. Routing the Cables Positioning Hole Lower Housing and Guide Pin Figure 4-119. Installing the Panel Assy (2) Chapter 4 Disassembly/Assembly 4.5.1 Panel Assy (Disassembly/reassembly procedures of Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50) Confidential...
  • Page 101 Paper Button Lens Double-sided Tape Panel FFC Figure 4-121. Removing the Panel Board / Buttons (2) Figure 4-123. Removing the Panel Board / Buttons (4) Chapter 4 Disassembly/Assembly 4.5.1 Panel Assy (Disassembly/reassembly procedures of Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50) Confidential...
  • Page 102 When installing the Panel Board, match the guide pin with the positioning hole shown in Fig.4-122. Install the PS button, Ink button, and Paper button as shown in Fig.4-123. Chapter 4 Disassembly/Assembly 4.5.1 Panel Assy (Disassembly/reassembly procedures of Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50) Confidential...
  • Page 103: Chapter 5 Adjustment

    C H A P T E R ADJUSTMENT Confidential...
  • Page 104: Adjustment Items And Overview

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 5.1 Adjustment Items and Overview For information on how to carry out the adjustments and media C H E C K required for the adjustments, see the instructions displayed by the...
  • Page 105 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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 106 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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 107: Required Adjustments

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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.
  • Page 108 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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)
  • Page 109: Using The Adjustment Program

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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.
  • Page 110: Bi-D Adjustment

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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 111: Pw Adjustment/First Dot Position Adjustment

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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 112: Pf Adjustment

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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.
  • Page 113: Pg Adjustment

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 5.2.6 PG Adjustment The thickness gauge to be used must be free from dust and dirt C A U T I O N and from deformation. Be sure to clean it before use.
  • Page 114 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C Adjustment procedure The Printhead must come in contact with the 1.3 mm thickness C A U T I O N Specified PG value: 1.2 ± 0.1 mm gauges but must not come in contact with the 1.15 mm thickness gauges.
  • Page 115: Banding Reduction System (Brs) Adjustment / Paper Feed Amount Profile (Pfp) Correction

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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 116 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C Adjustment Flow C H E C K When an error is displayed in the Adjustment program, check the P O I N T points below, then carry out the adjustment again. If an error Carry out the adjustment following the adjustment flow below.
  • Page 117: Adjustment Procedure

    Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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.
  • Page 118 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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.
  • Page 119 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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 120 C H A P T E R MAINTENANCE Confidential...
  • Page 121 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 122 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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.
  • Page 123 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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...
  • Page 124 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C <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)
  • Page 125 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 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>...
  • Page 126 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C <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 127 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C <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 128 C H A P T E R APPENDIX Confidential...
  • Page 129 Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C 7.1 Exploded Diagram / Parts List This manual does not provide exploded diagrams or parts list. For the information, see SPI (Service Parts Information). Chapter 7 Appendix 7.1 Exploded Diagram / Parts List...

Table of Contents