Page 1
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
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. However, should any errors be detected, SEIKO EPSON would greatly appreciate being
informed of them.
The above not withstanding SEIKO EPSON CORPORATION can assume no responsibility for any errors in this manual or the consequences thereof.
EPSON is a registered trademark of SEIKO EPSON CORPORATION.
General Notice: Other product names used herein are for identification purpose only and may be trademarks or registered trademarks of their
respective owners. EPSON disclaims any and all rights in those marks.
Copyright © 2009 SEIKO EPSON CORPORATION.
IJP LP CS Quality Assurance Department
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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.
The precautionary measures itemized below should always be observed when performing repair/maintenance procedures.
DANGER
1. ALWAYS DISCONNECT THE PRODUCT FROM THE POWER SOURCE AND PERIPHERAL DEVICES PERFORMING ANY MAINTENANCE OR REPAIR
PROCEDURES.
2. NO WORK SHOULD BE PERFORMED ON THE UNIT BY PERSONS UNFAMILIAR WITH BASIC SAFETY MEASURES AS DICTATED FOR ALL ELECTRONICS
TECHNICIANS IN THEIR LINE OF WORK.
3. WHEN PERFORMING TESTING AS DICTATED WITHIN THIS MANUAL, DO NOT CONNECT THE UNIT TO A POWER SOURCE UNTIL INSTRUCTED TO DO
SO. WHEN THE POWER SUPPLY CABLE MUST BE CONNECTED, USE EXTREME CAUTION IN WORKING ON POWER SUPPLY AND OTHER ELECTRONIC
COMPONENTS.
4. WHEN DISASSEMBLING OR ASSEMBLING A PRODUCT, MAKE SURE TO WEAR GLOVES TO AVOID INJURIER FROM METAL PARTS WITH SHARP EDGES.
WARNING
1. REPAIRS ON EPSON PRODUCT SHOULD BE PERFORMED ONLY BY AN EPSON CERTIFIED REPAIR TECHNICIAN.
2. 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.
3. ALWAYS VERIFY THAT THE EPSON PRODUCT HAS BEEN DISCONNECTED FROM THE POWER SOURCE BEFORE REMOVING OR REPLACING PRINTED
CIRCUIT BOARDS AND/OR INDIVIDUAL CHIPS.
4. IN ORDER TO PROTECT SENSITIVE MICROPROCESSORS AND CIRCUITRY, USE STATIC DISCHARGE EQUIPMENT, SUCH AS ANTI-STATIC WRIST
STRAPS, WHEN ACCESSING INTERNAL COMPONENTS.
5. REPLACE MALFUNCTIONING COMPONENTS ONLY WITH THOSE COMPONENTS BY THE MANUFACTURE; INTRODUCTION OF SECOND-SOURCE ICs OR
OTHER NON-APPROVED COMPONENTS MAY DAMAGE THE PRODUCT AND VOID ANY APPLICABLE EPSON WARRANTY.
6. WHEN USING COMPRESSED AIR PRODUCTS; SUCH AS AIR DUSTER, FOR CLEANING DURING REPAIR AND MAINTENANCE, THE USE OF SUCH
PRODUCTS CONTAINING FLAMMABLE GAS IS PROHIBITED.
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About This Manual
A D J U S T M E N T
R E Q U I R E D
C A U T I O N
C H E C K
P O I N T
W A R N I N G
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.OPERATING PRINCIPLES
Describes the theory of electrical and mechanical operations of the
product.
CHAPTER 3.TROUBLESHOOTING
Describes the step-by-step procedures for the troubleshooting.
CHAPTER 4.DISASSEMBLY / ASSEMBLY
Describes the step-by-step procedures for disassembling and assembling
the product.
CHAPTER 5.ADJUSTMENT
Provides Epson-approved methods for adjustment.
CHAPTER 6.MAINTENANCE
Provides preventive maintenance procedures and the lists of Epsonapproved lubricants and adhesives required for servicing the product.
APPENDIX Provides the following additional information for reference:
• Exploded Diagram
• Parts List
Symbols Used in this Manual
Various symbols are used throughout this manual either to provide additional
information on a specific topic or to warn of possible danger present during a
procedure or an action. Be aware of all symbols when they are used, and always read
NOTE, CAUTION, or WARNING messages.
Indicates an operating or maintenance procedure, practice or condition
that is necessary to keep the product’s quality.
Indicates an operating or maintenance procedure, practice, or condition
that, if not strictly observed, could result in damage to, or destruction of,
equipment.
May indicate an operating or maintenance procedure, practice or
condition that is necessary to accomplish a task efficiently. It may also
provide additional information that is related to a specific subject, or
comment on the results achieved through a previous action.
Indicates an operating or maintenance procedure, practice or condition
that, if not strictly observed, could result in injury or loss of life.
Indicates that a particular task must be carried out according to a certain
standard after disassembly and before re-assembly, otherwise the quality of the components in question may be adversely affected.
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Revision Status
Revision Date of Issue Description
A August 8, 2007 First Release
B September 28, 2007 [Chapter 4]
• "Main Board Unit" (Page 64): error correction.
[Chapter 5]
• "Overview" (Page 115): error correction.
C May 19, 2009 Revised Contents
[All chapters]
• Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 added.
[Chapter 1]
• "1.1 Features (p.9)" is updated.
• "1.2.3 Print Mode (p.11)" is updated.
• "1.2.4 Supported Paper (p.13)" is updated.
• "1.3 Interface (p.16)" is updated.
• "1.4.1 Electrical Specifications (p.17)" is updated.
• "1.4.4 Acoustic Noise (p.18)" is updated.
• "1.4.5 Safety Approvals (Safety standards/EMI) (p.18)" is updated.
[Chapter 2]
• "2.3 Power-On Sequence (p.26)" is added.
• "2.4 Printer Initialization (p.28)" is added.
• "2.2 Electrical Circuit Operating Principles" is deleted.
[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)" is updated.
[Chapter 7]
• "7.2 Electrical Circuits" is deleted.
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EPSON Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C
CONTENTS
Chapter 1 Product Description
1.1 Features................................................................................................................. 9
1.2 Printing Specifications........................................................................................ 10
1.2.1 Basic Specifications................................................................................. 10
1.2.2 Ink Cartridge............................................................................................ 10
1.2.3 Print Mode ............................................................................................... 11
1.2.4 Supported Paper....................................................................................... 13
1.2.5 Printing Area ........................................................................................... 15
1.3 Interface .............................................................................................................. 16
1.4 General Specifications........................................................................................ 17
1.4.1 Electrical Specifications .......................................................................... 17
1.4.2 Environmental Conditions....................................................................... 17
1.4.3 Durability................................................................................................. 18
1.4.4 Acoustic Noise......................................................................................... 18
1.4.5 Safety Approvals (Safety standards/EMI) ............................................... 18
1.5 Operation Buttons & Indicators (LEDs)............................................................. 19
1.5.1 Operation Buttons.................................................................................... 19
1.5.2 Indicators (LEDs) .................................................................................... 19
1.5.3 Operation Buttons & LEDs Functions .................................................... 19
1.5.4 Errors & Remedies .................................................................................. 21
Chapter 2 Operating Principles
2.1 Overview ............................................................................................................ 23
2.1.1 Printer Mechanism................................................................................... 23
2.1.2 Motors & Sensors .................................................................................... 24
2.2
Banding Reduction System (BRS) / Paper Feed Amount Profile Correction (PFP)
2.3 Power-On Sequence ........................................................................................... 26
2.4 Printer Initialization............................................................................................ 28
25
Chapter 3 Troubleshooting
3.1 Overview ............................................................................................................ 30
3.1.1 Troubleshooting on Motors and Sensors................................................. 30
3.2 Warning / Error Indications................................................................................ 31
3.2.1 Error Indication Method .......................................................................... 31
3.3 Troubleshooting by Error Message .................................................................... 33
3.3.1 Troubleshooting Problems with Error Messages .................................... 33
3.4 Troubleshooting by Symptom ............................................................................ 44
3.4.1 Problems in Printing Operation ............................................................... 44
3.4.2 Power Problems....................................................................................... 49
3.4.3 Ink-related Problems ............................................................................... 49
3.4.4 Problems with Interfaces ......................................................................... 51
Chapter 4 Disassembly/Assembly
4.1 Overview ............................................................................................................ 53
4.1.1 Precautions .............................................................................................. 53
4.1.2 Tools ........................................................................................................ 54
4.1.3 Screws ..................................................................................................... 54
4.1.4 Making a Special Tool for CSIC Board .................................................. 55
4.1.5 Work Completion Checklist .................................................................... 55
4.1.6 Required Preparation before Disassembly .............................................. 58
4.1.7 Orientation Definition ............................................................................. 58
4.1.8 How to Unlock the Carriage.................................................................... 58
4.1.9 Procedural Differences ............................................................................ 59
4.1.10 Disassembly Flowchart ......................................................................... 60
4.2 Removing Exterior Parts/Components............................................................... 61
4.2.1 Printer Cover ........................................................................................... 61
4.2.2 Paper Support Assy ................................................................................. 61
4.2.3 Stacker Assy / Stacker Cover .................................................................. 62
4.2.4 Upper Housing ........................................................................................ 62
4.3 Removing Control Boards.................................................................................. 64
4.3.1 Main Board Unit...................................................................................... 64
4.3.2 Panel Assy/ Cover Open Sensor.............................................................. 67
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EPSON Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C
4.3.3 P/S Assy................................................................................................... 71
4.4 Disassembling the Printer Mechanism ............................................................... 72
4.4.1 Removing the Printer Mechanism ........................................................... 72
4.4.2 Printhead.................................................................................................. 75
4.4.3 CR Scale .................................................................................................. 77
4.4.4 APG Unit ................................................................................................. 78
4.4.5 Waste Ink Tray ........................................................................................ 80
4.4.6 Waste Ink Pad.......................................................................................... 80
4.4.7 Left & Right Guide Stackers / CDR Guide Sensor ................................. 81
4.4.8 Ink System ............................................................................................... 82
4.4.9 EJ Frame Assy......................................................................................... 84
4.4.10 PF Encoder / PF Scale ........................................................................... 86
4.4.11 PF Motor................................................................................................ 87
4.4.12 CR Motor............................................................................................... 87
4.4.13 CR Unit.................................................................................................. 89
4.4.14 ASF Unit................................................................................................ 92
4.4.15 Upper Paper Guide ................................................................................ 94
4.4.16 APG Sensor Assy .................................................................................. 95
4.4.17 Front Paper Guide Assy......................................................................... 96
4.4.18 CDR Tray Sensor .................................................................................. 98
4.5 Disassembly/reassembly procedures of Epson Artisan 50/Epson Stylus Photo T50/
T59/T60/P50....................................................................................................... 99
4.5.1 Panel Assy ............................................................................................... 99
Chapter 6 Maintenance
6.1 Overview .......................................................................................................... 121
6.1.1 Cleaning................................................................................................. 121
6.1.2 Service Maintenance ............................................................................. 121
6.1.3 Lubrication ............................................................................................ 122
Chapter 7 Appendix
7.1 Exploded Diagram / Parts List ......................................................................... 129
Chapter 5 Adjustment
5.1 Adjustment Items and Overview ...................................................................... 104
5.1.1 Servicing Adjustment Item List............................................................. 104
5.1.2 Required Adjustments ........................................................................... 107
5.2 Using the Adjustment Program ........................................................................ 109
5.2.1 Top Margin Adjustment ........................................................................ 109
5.2.2 Head Angular Adjustment ..................................................................... 109
5.2.3 Bi-D Adjustment ................................................................................... 110
5.2.4 PW Adjustment/First Dot Position Adjustment .................................... 111
5.2.5 PF Adjustment ....................................................................................... 112
5.2.6 PG Adjustment ...................................................................................... 113
5.3 Banding Reduction System (BRS) Adjustment / Paper Feed Amount Profile (PFP)
Correction......................................................................................................... 115
5.3.1 Overview ............................................................................................... 115
5.3.2 Adjustment Procedure ........................................................................... 117
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PRODUCT DESCRIPTION
CHAPTER
1
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Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C
Paper Support & Stacker are Closed
Paper Support & Stacker are Opened
Epson Stylus Photo R280/R285/R290
Epson Artisan 50/
Epson Stylus Photo T50/T59/T60/P50
Epson Stylus Photo R280/R285/R290
Epson Artisan 50/
Epson Stylus Photo T50/T59/T60/P50
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.
Six independent dye-ink cartridges enables high-resolution photo printing.
CD and DVD label printing are supported.
Borderless printing on specified EPSON brand paper is available.
Control panel
Simple design with three buttons and three indicators (LED).
Dimensions and weight
Table 1-1. Dimensions and weight
Model
Epson Stylus Photo R280/
Epson Artisan 50/Epson Stylus
Note *1: Paper support and stacker are closed. Rubber feet are included.
R285/R290
Photo T50/T59/T60/P50
*2: Without ink cartridges
Dimensions (W x D x H) mm
450 x 282 x 187 5.4 kg
450 x 289 x 187 5.5 kg
*1
Weight
*2
Figure 1-1. External View
Chapter 1 Product Description 1.1 Features 9
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Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C
C A U T I O N
1.2 Printing Specifications
1.2.1 Basic Specifications
Table 1-2. Printer Specifications
Item Specifications
Print method On-demand ink jet
Nozzle configuration Black: 90 nozzles
Color: 90 nozzles x 5
(Cyan, Magenta, Yellow, Light Cyan, Light Magenta)
Print direction
Print resolution Horizontal x Vertical (dpi)
Control code
Internal font Character code:Alphanumeric with expanded graphics (PC437)
Paper feed method Friction feed, using one ASF (Auto Sheet Feeder)
Paper path Top feed, front out
Paper feed rates 110 msec (at 25.4 mm feed)
PF interval Programmable in 0.01764 mm (1/1440 inch) steps
Bi-directional minimum distance printing, unidirectional printing
• 360 x 180 • 720 x 540
• 360 x 360 • 720 x 720
• 720 x 360 • 5760 x 1440
• ESC/P Raster command
• EPSON Remote command
ASCII, 20H to 7FH only
Font: EPSON original font
Alphanumeric font: Courier
1.2.2 Ink Cartridge
The product numbers of the EPSON ink cartridges for this printer are shown below.
Table 1-3. Product No. of Ink Cartridges
Color EAI Euro Asia, CISMEA, Latin
Black
Cyan
Magenta
Yellow
Light Cyan
Light Magenta
T0771 (S)
T0781 (SS)
T0772 (S)
T0782 (SS)
T0773 (S)
T0783 (SS)
T0774 (S)
T0784 (SS)
T0775 (S)
T0785 (SS)
T0776 (S)
T0786 (SS)
T0801
T0802
T0803
T0804
T0805
T0806
Shelf life
Two years from production date (if unopened), six months after opening package.
Storage Temperature
Table 1-4. Storage Temperature
Situation Storage Temperature Limit
When stored in individual boxes
When installed in main unit
-20 oC to 40 oC
(-4oF to 104oF)
-20 oC to 40 oC
(-4oF to 104oF)
1 month max. at 40 oC (104oF)
T0811 (S)
T0821 (SS)
T0812 (S)
T0822 (SS)
T0813 (S)
T0823 (SS)
T0814 (S)
T0824 (SS)
T0815 (S)
T0825 (SS)
T0816 (S)
T0826 (SS)
Dimension
12.7 mm (W) x 68 mm (D) x 47 mm (H)
The ink cartridge cannot be refilled.
Do not use expired ink cartridges.
The ink in the ink cartridge freezes at -16 °C (3.2 oF). It takes
about three hours under 25 °C (77
o
F) until the ink thaws and
becomes usable.
Chapter 1 Product Description 1.2 Printing Specifications 10
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Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C
1.2.3 Print Mode
Media
• Plain paper
• Premium Bright White Paper
(EAI)
• Bright White Inkjet Paper
(others)
• Premium Ink Jet Plain Paper
(others)
• Ultra Premium Photo Paper
Glossy (EAI)
• Ultra Glossy Photo Paper
(others)
• Premium Photo Paper Glossy
(EAI)
• Premium Glossy Photo Paper
(others)
• Premium Photo Paper Semigloss (EAI)
• Premium Semigloss Photo
Paper (others)
• Ultra Premium Photo Paper
Luster (EAI)
• Photo Paper Glossy (EAI)
• Glossy Photo Paper (others)
• Premium Presentation Paper
Matte (EAI)
• Matte Paper Heavy-weight
(others)
• Premium Presentation Paper
Matte Double-sided (EAI)
• Double-Sided Matte paper
(others)
Table 1-5. Print Mode (Color)
Print
Mode
Draft 360x180
Normal 360x360
Photo
Fine
Photo*
Photo*
Super
Photo
Fine 720x360
Photo*
Photo*
Super
Photo
Photo*
Super
Photo
Resolution
2
2
5760x1440
2
2
5760x1440
2
5760x1440
(H x V)
dpi
720x720
720x720
(1.5 pass)
720x720
(2.0 pass)
720x720
(1.5 pass)
720x720
(2.0 pass)
720x720
(2.0 pass)
Dot Size
(400cps)
(360cps)
(240cps)
(240cps)
(280cps)
(200cps)
(240cps)
(240cps)
(280cps)
(200cps)
(280cps)
(200cps)
(cps)*
Eco
MC2-1
MC1-1
MC1-2
MC2-2
MC1-5
MC1-1
MC1-2
MC2-2
MC1-5
MC2-2
MC1-5
1
Weave
Micro
Bi-d
ON OFF N/A
ON OFF N/A
ON ON N/A
ON ON OK
ON ON OK
ON ON OK
ON ON OK
ON ON OK
ON ON OK
ON ON OK
ON ON OK
ON ON OK
Border
less
-
Table 1-5. Print Mode (Color)
Media
Print
Mode
• Presentation Paper Matte (EAI)
• Photo Quality Inkjet Paper
Photo*
(others)
• Envelopes
Normal 360x360
Photo
Fine
• Iron-On Cool Peal Transfer
(EAI)
• Ion-On Cool Peal Transfer
Paper (Other)
• Photo Stickers
Normal
Photo
Fine
Photo*
• CD/DVD Super
Photo
• CD/DVD Premium Surface Super
Photo
Note *1: cps = character per second
*2: In Photo mode, either of 1.5 or 2.0 pass is selected depending on the paper size.
1.5 pass supported size: 4”x6”
2.0 pass supported size: 5”x7”, 8” x 10”, Letter, A4
*3: Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 only
Resolution
2
*3
2
5760x1440
5760x1440
(H x V)
dpi
720x720
(2.0 pass)
720x720
360x360
720x720
720x720
(2.0 pass)
Dot Size
(cps)*
MC2-2
(280cps)
MC2-1
(360cps)
MC1-1
(240cps)
MC2-1
(360cps)
MC1-1
(240cps)
MC2-2
(280cps)
MC1-5
(200cps)
MC1-5
(200cps)
Bi-d
1
ON ON N/A
OFF OFF N/A
OFF ON N/A
ON OFF N/A
OFF ON N/A
ON ON N/A
ON ON N/A
ON ON N/A
Micro
Weave
Border
-
less
Chapter 1 Product Description 1.2 Printing Specifications 11
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Table 1-6. Print Mode (Monochrome)
Media
• Plain paper
• Premium Bright White Paper
(EAI)
• Bright White Inkjet Paper
(others)
• Premium Ink Jet Plain Paper
(others)
• Ultra Premium Photo Paper
Glossy (EAI)
• Ultra Glossy Photo Paper
(others)
• Premium Photo Paper Glossy
(EAI)
• Premium Glossy Photo Paper
(others)
• Premium Photo Paper Semigloss (EAI)
• Premium Semigloss Photo
Paper (others)
• Ultra Premium Photo Paper
Luster (EAI)
• Photo Paper Glossy (EAI)
• Glossy Photo Paper (others)
• Premium Presentation Paper
Matte (EAI)
• Matte Paper Heavy-weight
(others)
• Premium Presentation Paper
Matte Double-sided (EAI)
• Double-Sided Matte paper
(others)
Print
Mode
Resolution
(H x V)
dpi
Draft 360x180
Normal 360x360
Photo
Fine
Photo*
Photo*
Super
Photo
2
2
5760x1440
720x720
720x720
(1.5 pass)
720x720
(2.0 pass)
Fine 720x360
720x720
2
Photo*
Photo*
Super
Photo
Photo*
Super
Photo
2
5760x1440
2
5760x1440
(1.5 pass)
720x720
(2.0 pass)
720x720
(2.0 pass)
Dot Size
(cps)*
Eco
(400cps)
MC2-1
(360cps)
MC1-1
(240cps)
MC1-2
(240cps)
MC2-2
(280cps)
MC1-5
(200cps)
MC1-1
(240cps)
MC1-2
(240cps)
MC2-2
(280cps)
MC1-5
(200cps)
MC2-2
(280cps)
MC1-5
(200cps)
1
Weave
Micro
Bi-d
ON OFF N/A
ON OFF N/A
ON ON N/A
ON ON OK
ON ON OK
ON ON OK
ON ON OK
ON ON OK
ON ON OK
ON ON OK
ON ON OK
ON ON OK
Border
less
-
Table 1-6. Print Mode (Monochrome)
Media
Print
Mode
• Presentation Paper Matte (EAI)
• Photo Quality Inkjet Paper
Photo*
(others)
• Envelopes
Normal 360x360
Photo
Fine
• Iron-On Cool Peal Transfer
(EAI)
• Ion-On Cool Peal Transfer
Paper (Other)
• Photo Stickers
Normal
Photo
Fine
Photo*
• CD/DVD Super
Photo
• CD/DVD Premium Surface Super
Photo
Note *1: cps = character per second
*2: In Photo mode, either of 1.5 or 2.0 pass is selected depending on the paper size.
1.5 pass supported size: 4”x6”
2.0 pass supported size: 5”x7”, 8” x 10”, Letter, A4
*3: Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 only
Resolution
2
*3
2
5760x1440
5760x1440
(H x V)
dpi
720x720
(2.0 pass)
720x720
360x360
720x720
720x720
(2.0 pass)
Dot Size
(cps)*
MC2-2
(280cps)
MC2-1
(360cps)
MC1-1
(240cps)
MC2-1
(360cps)
MC1-1
(240cps)
MC2-2
(280cps)
MC1-5
(200cps)
MC1-5
(200cps)
Bi-d
1
ON ON N/A
OFF OFF N/A
OFF ON N/A
ON OFF N/A
OFF ON N/A
ON ON N/A
ON ON N/A
ON ON N/A
Micro
Weave
Border
-
less
Chapter 1 Product Description 1.2 Printing Specifications 12
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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. Supported Paper
Paper Name Paper Size
Legal 215.9 x 355.6 mm (8.5”x14”)
Letter 215.9 x 279.4 mm (8.5”x11”) Y - Y - Y -
A4 210 x 297 mm (8.3”x11.7”) Y - Y - Y -
B5 182 x 257 mm (7.2”x10.1”) - - Y - Y -
Plain paper
Premium Inkjet Plain Paper A4 210 x 297 mm (8.3”x11.7”) 0.11 80 21 - - Y - Y -
Premium Bright White Paper (EAI)
Bright White Inkjet Paper (others) A4 210 x 297 mm (8.3”x11.7”) 0.13 92.5 25 - - Y - Y -
Ultra Premium Photo Paper Glossy (EAI)
Ultra Glossy Photo Paper (others)
Premium Photo Paper Glossy (EAI)
Premium Glossy Photo Paper (others)
Photo Paper Glossy (EAI)
Glossy Photo Paper (others)
A5 148 x 210 mm (5.8”x8.3”) - - Y - Y -
Half Letter 139.7 x 215.9 mm (5.5”x8.5”) Y - - - - -
A6 105 x 148 mm (4.1”x5.8”) Y - Y - Y -
User Defined
89 x 127- 329 x 1117.6 mm
(3.56”x 5.08” - 13.16”x44.7”)
Letter 215.9 x 279.4 mm (8.5”x11”) 0.11 90 24 Y - - - - -
Letter 215.9 x 279.4 mm (8.5”x11”)
A4 210 x 297 mm (8.3”x11.7”) - - Y Y Y
8” x 10” 203.2 x 254 mm Y Y - - - -
5” x 7” 127 x 178 mm Y Y Y Y - -
4” x 6” 101.6 x 152.4 mm Y Y Y Y Y
Letter 215.9 x 279.4 mm (8.5”x11”)
A4 210 x 297 mm (8.3”x11.7”) Y
8” x 10” 203.2 x 254 mm Y Y - - - -
5” x 7” 127 x 178 mm Y Y Y Y Y Y
”
x 6
”
4
101.6 x 152.4 mm Y Y Y Y Y Y
16:9 wide 102 x 181 mm (4”x7.11”) Y
Letter 215.9 x 279.4 mm (8.5”x11”)
A4 210 x 297 mm (8.3”x11.7”) Y Y Y Y Y Y
5” x 7” 127 x 178 mm - - Y Y - -
4” x 6” 101.6 x 152.4 mm Y Y Y Y Y Y
.
Thickness Weight EAI EUR Asia
*1
*1
*1
*1
mm g/m2lb. P
B
P
B
*1
P
Y-Y-Y-
0.08-0.11 64-90 17-24
Y - Y - Y -
Y Y - - - -
*2
0.30 290 77
*2
YY----
*3
*3
Y
Y Y Y Y
0.27 255 68
*4
*4
Y
Y Y
*4
- -
YY----
0.25 258 68
*1
B
*2
Y
*2
Y
Chapter 1 Product Description 1.2 Printing Specifications 13
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Table 1-7. Supported Paper
Paper Name Paper Size
A4 210 x 297 mm (8.3”x11.7”)
Photo Paper (others)
*4
5” x 7” 127 x 178 mm - - Y Y
4” x 6” 101.6 x 152.4 mm - - Y Y Y Y
Letter 215.9 x 279.4 mm (8.5”x11”)
Premium Photo Paper Semi-gloss (EAI)
Premium Semigloss Photo Paper (others)
A4 210 x 297 mm (8.3”x11.7”) - - Y Y Y Y
4” x 6” 101.6 x 152.4 mm Y Y Y Y Y Y
Ultra Premium Photo Paper Luster Letter 215.9 x 279.4 mm (8.5”x11”) 0.27 250 66 Y Y - - - -
Letter 215.9 x 279.4 mm (8.5”x11”)
Premium Presentation Paper Matte (EAI)
Matte Paper Heavy-weight (others)
A4 210 x 297 mm (8.3”x11.7”) - - Y Y Y Y
8” x 10” 203.2 x 254 mm Y Y - - - -
Premium Presentation Paper Matte Double-sided
(EAI)
Double-sided Matte Paper (others)
Presentation Paper Matte (EAI)
Photo Quality Inkjet Paper (others)
Letter 215.9 x 279.4 mm (8.5”x11”)
A4 210 x 297 mm (8.3”x11.7”) - - Y - Y -
Letter 215.9 x 279.4 mm (8.5”x11”)
A4 210 x 297 mm (8.3”x11.7”) Y - Y - Y -
#10 104.8 x 241.3 mm (4.125”x9.5”)
Envelopes
#DL 110 x 220 mm - - Y - Y -
#C6 114 x 162 mm - - Y - Y -
Iron-On Cool Peal Transfer (EAI)
Iron-On Cool Peal Transfer Paper (Other)
Photo Stickers 16
Letter 215.9 x 279.4 mm (8.5”x11”)
A4 210 x 297 mm (8.3”x11.7”) - - Y - Y -
A6 105 x 148 mm (4.1”x5.8”) 0.19 - - - - - Y -
Photo Stickers 4 A6 105 x 148 mm (4.1”x5.8”) 0.19 - - - - - Y
CD/DVD
CD/DVD Premium Surface
ø12cm ø12cm - - Y - Y - Y -
ø8cm ø8cm - -Y-Y-Y-
Thickness Weight EAI EUR Asia
*1
*1
*1
*1
mm g/m2lb. P
B
P
B
*1
P
- - YYYY
0.24 190 51
Y Y - - - -
0.27 250 66
Y Y - - - -
0.23 167
44
Y-----
0.22 185 49
0.12 102 27
Y-----
Y-Y-Y-
- 75-90 20-24
0.14 130 35
Y - - - - -
*3
B
*1
-
Note *1: “Y” in the “P” column stands for “the paper type/size is Supported”. “Y” in the “B” column stands for “Borderless printing is available”.
*2: Singapore, Taiwan, Australia only
*3: Epson Stylus Photo R280/R285/R290 only
*4: Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 only
Chapter 1 Product Description 1.2 Printing Specifications 14
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C A U T I O N
Print Area
LM RM
TM
BM
BM
Cut Sheet (Standard)
Cut Sheet (Borderless)
Paper Size
LM
RM
TM
BM
Print Area
LM RM
Print Area
Envelope
Paper Size
TM
Paper Feed Direction
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.
1.2.5 Printing Area
The printing area for this printer is shown below.
Table 1-8. Printing Area (Margins)
Print Mode Paper Size
Left Right Top Bottom
Standard print Any size 3 mm 3 mm 3 mm 3 mm
Envelope 5 mm 5 mm 3 mm 20 mm
Borderless
print
A4/Letter to
5” x 7”
2.54 mm* 2.54 mm*
4” x 6” 1.34 mm* 2.54 mm*
Card 1.83mm* 1.83mm* 2.54mm* 3.53mm*
Note * : The margins for Borderless print are margins that bleed off the edges of paper.
Margin
2.96 mm* 4.02 mm*
Chapter 1 Product Description 1.2 Printing Specifications 15
Figure 1-2. Printing Area
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1.3 Interface
The printer has a USB interface of the following specification.
Standards
“Universal Serial Bus Specifications Revision 2.0”
“Universal Serial Bus Device Class Definition for Printing Devices Version 1.1”
Transfer rate: 480 Mbps (High Speed Device)
Data format: NRZI
Compatible connector: USB Series B
Recommended cable length: 2 [m] or less
Device ID
Table 1-9. Epson Stylus Photo R280/R285/R290
Product
Name
Epson Stylus
Photo R280
Epson Stylus
Photo R285
Epson Stylus
Photo R290
When IEEE 1284.4 is Enabled When IEEE 1284.4 is Disabled
MFG:EPSON;
CMD:ESCPL2,BDC,D4,D4PX;
MDL:Stylus[SP]Photo[SP]R280;
CLS:PRINTER;
DES:EPSON[SP]Stylus[SP]Photo
[SP]R280;
MFG:EPSON;
CMD:ESCPL2,BDC,D4,D4PX;
MDL:Stylus[SP]Photo[SP]R285;
CLS:PRINTER;
DES:EPSON[SP]Stylus[SP]Photo
[SP]R285;
MFG:EPSON;
CMD:ESCPL2,BDC,D4,D4PX;
MDL:Stylus[SP]Photo[SP]R290;
CLS:PRINTER;
DES:EPSON[SP]Stylus[SP]Photo
[SP]R290;
MFG:EPSON;
CMD:ESCPL2,BDC;
MDL:Stylus[SP]Photo[SP]R280;
CLS:PRINTER;
MFG:EPSON;
CMD:ESCPL2,BDC;
MDL:Stylus[SP]Photo[SP]R285;
CLS:PRINTER;
MFG:EPSON;
CMD:ESCPL2,BDC;
MDL:Stylus[SP]Photo[SP]R290;
CLS:PRINTER;
Table 1-10. Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50
Product
Name
Epson Artisan 50/
Epson Stylus
Photo T50/T59/
T60/P50
Note : The “Model Name” is replaced as shown in the following table.
North America Artisan 50
West Euro Epson Stylus Photo P50
Asia/Pacific/South America/CISMEA Epson Stylus Photo T50
Singapore/Korea Epson Stylus Photo T60
When IEEE 1284.4 is Enabled When IEEE 1284.4 is Disabled
@EJL<SP>ID<CR><LF>
MFG:EPSON;
CMD:ESCPL2,BDC,D4,D4PX;
MDL:Model Name;
CLS:PRINTER;
DES:EPSON<SP>Model Name;
CID:EpsonStd2;
Destination Model Name
@EJL<SP>ID<CR><LF>
MFG:EPSON;
CMD:ESCPL2,BDC;
MDL:Model Name;
CLS:PRINTER;
DES:EPSON<SP>Model Name;
CID:EpsonStd2;
Chapter 1 Product Description 1.3 Interface 16
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C A U T I O N
10/50
27/80
30/86 35/95 40/10420/68
Temperature (°C/°F)
20
30
40
50
90
80
70
60
Humidity (%)
1.4 General Specifications
1.4.1 Electrical Specifications
Primary power input
Table 1-11. Primary Power Specifications
Item 100-120V model 220-240V model
Rated power supply voltage 100 to 120 VAC 220 to 240 VAC
Input voltage range 90 to 132 VAC 198 to 264 VAC
Rated current 0.6 A (max. 1.0 A) 0.3 A (max. 0.5 A)
Rated frequency 50 to 60 Hz
Input frequency range 49.5 to 60.5 Hz
Insulation resistance 3000 V (for one minute)
Energy conservation
Epson Stylus
Photo R280/
Printing
Power
consumpt
ion
Note : If the printer is not operated for more than three minutes, the printer shifts into the
(ISO10561 Letter
Pattern)
Sleep mode Approx. 1.0 W Approx. 1.2 W
Standby mode
standby mode and reduces the current to the motor to conserve power.
R285/R290
Epson Artisan 50/
Epson Stylus
Photo T50/T59/
T60/P50
(power-off) Approx. 0.2 W Approx. 0.3 W
International Energy Star Program
compliant
Approx. 12 W
Approx. 13 W
1.4.2 Environmental Conditions
Table 1-12. Environmental Conditions
Condition Temperature
Operating
Storage*3
(unpacked)
Note *1: The combined Temperature and Humidity conditions must be within the blue-shaded
range in
*2: No condensation
*3: Non-operating with unpacked.
*4: Must be less than 1 month under 40°C.
10 to 35°C
(50 to 95°F)
-20 to 40°C*
(-4°F to 104°F)
Fig.1-3.
*1
4
Humidity
20
to 80%
to 85%
5
*1,2
Shock Vibration
1G
(1 msec or less)
2G
(2 msec or less)
10 to 55Hz
10 to 55Hz
0.15G,
0.50G,
Chapter 1 Product Description 1.4 General Specifications 17
Figure 1-3. Temperature/Humidity Range
When returning the repaired printer to the customer, make sure
the Printhead is covered with the cap and the ink cartridge is
installed.
If the Printhead is not covered with the cap when the printer is
off, turn on the printer with the ink cartridge installed, make
sure the Printhead is covered with the cap, and then turn the
printer off.
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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
Epson Stylus Photo R280/R285/R290: 36 dB
Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50: 34.7 dB or less
(when printing from PC, on Premium Glossy Photo Paper, in highest quality)
1.4.5 Safety Approvals (Safety standards/EMI)
USA UL60950-1
FCC Part15 Subpart B Class B
Canada CAN/CSA-C22.2 No.60950-1
CAN/CSA-CEI/IEC CISPR 22 Class B
Mexico NOM-019-SCFI-1998
Taiwan CNS13438 Class B
CNS14336
EU EN60950-1
EN55022 Class B
EN61000-3-2, EN61000-3-3
EN55024
Germany EN60950-1
Russia GOST-R (IEC60950-1, CISPR 22)
Singapore IEC60950-1
Korea K60950-1
KN22 Class B
KN61000-4-2/-3/-4/-5/-6/-11
China GB4943
GB9254 Class B, GB17625.1
Argentina IEC60950-1
Australia AS/NZS CISPR22 Class B
Hong Kong IEC60950-1
*
*
NOTE * :
Epson Stylus Photo R280/R285/R290 only
Chapter 1 Product Description 1.4 General Specifications 18
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Power Button Paper ButtonInk Button
Power LED Paper LEDInk LED
Power Button Paper ButtonInk Button
Power LED
Paper LED
Ink LED
Epson Stylus Photo
R280/R285/R290
Epson Artisan 50/Epson Stylus
Photo T50/T59/T60/P50
1.5 Operation Buttons & Indicators (LEDs)
1.5.1 Operation Buttons
The printer has the following three operation buttons.
Table 1-13. Operation Buttons
Button Function
Power Turns the power ON/OFF.
Ink Runs a sequence of ink cartridge replacement or cleaning.
Paper Feeds or ejects paper.
1.5.2 Indicators (LEDs)
Three indicators (LEDs) are provided to indicate settings or printer status.
Table 1-14. Indicators (LEDs)
LED Function
Lights at power-on.
Power LED (green)
Ink LED (orange)*
Paper LED (orange)*
Note *1:The Ink LED and Paper LED stay OFF when printing from PC.
*2:See Table 1-17 “Indicators (LEDs) Function” for the LED status at error occurrence.
1
Flashes during some sequence is in progress.
Flashes at high speed during power-OFF sequence.
Lights or flashes when an ink-related error occurs.*
1
Lights or flashes when an paper- or CD-R-related error occurs.*
1.5.3 Operation Buttons & LEDs Functions
Detailed information on the buttons and LEDs functions are listed below.
Table 1-15. Operation Button Functions (During Normal Operation)
Button Function
Power • Turns the power ON/OFF
• Runs a sequence of ink cartridge replacement. The carriage
moves to set the ink cartridge to the position for
replacement.
• Moves the carriage to set the ink cartridge to the ink check
position when ink level low, ink out, or no ink cartridge
Ink
2
2
Paper
Ink
(when held for three seconds
or longer)
Power + Paper *
(combination)
Power + Ink *
(combination)
Note 1: First press the Paper button and then Power button. The printer will turn On and print
the nozzle check pattern.
2: First press the Power button and then Ink button. Hold them for seven seconds.
1
2
error has occurred.
• When an ink cartridge has been set in the ink check
position, moves the carriage to set the cartridge to the
position for replacement, or to set another cartridge to the
ink check position.
• When an ink cartridge has been set in the ink replacement
position, moves the carriage to the home position.
• Feeds or ejects paper.
• Recovers from a multi-feed error and feeds paper to restart
the print job.
• Feeds paper when paper is loaded after a no-paper error
occurs.
• Ejects a jammed paper when a paper jam error occurs.
• Cancels the print job during printing.
• Runs a head cleaning.
• Runs a sequence of ink cartridge replacement when ink
level low, ink out, or no ink cartridge error has occurred.
• Prints a nozzle check pattern*3.
• Forcefully turns the power OFF.
Chapter 1 Product Description 1.5 Operation Buttons & Indicators (LEDs) 19
Figure 1-4. Buttons & LEDs
3: The nozzle check pattern printed by the printer is shown in Figure 1-5.
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11
1
31
21
51
41
71
61
81
20
10
40
30
60
50
80
70
90
11
1
31
21
51
41
71
61
81
20
10
40
30
60
50
80
70
90
11
1
31
21
51
41
71
61
81
20
10
40
30
60
50
80
70
90
11
1
31
21
51
41
71
61
81
20
10
40
30
60
50
80
70
90
11
1
31
21
51
41
71
61
81
20
10
40
30
60
50
80
70
90
11
1
31
21
51
41
71
61
81
20
10
40
30
60
50
80
70
90
Note : The numbers shown in the figure are nozzle numbers. The numbers and color names
are not printed on an actual nozzle check pattern.
720 dpi MC1-1
32 dots
0.282 mm (1/90 inch)
Yellow Black Light Cyan Light Magenta CyanMagenta
Table 1-16. Operation Button Functions (During CD-R Printing)
Button CD-R Tray Function
Paper
Ink
(including when held
for three seconds or longer)
In
• Recovers form a CD-R tray error.
• Cancels the print job during printing.
Out • Recovers form a CD-R jam error.
In • Does not function.
Out
• Same as during normal operation.
Figure 1-5. Nozzle Check Pattern
Table 1-17. Indicators (LEDs) Function
Printer Status
Power OFF
Power Ink Paper
Flashes at
high speed
Fatal error OFF
Maintenance request OFF
CD-R guide error --
Indicators (LEDs)
OFF OFF 1
Flashes at
high speed
Flashes at
high speed
Flashes
alternately 2
Flashes at
high speed
alternately 1
Flashes 2 4
Flashes
Paper (CD-R) jam -- -- Flashes 5
Multi-feed error -- -- ON 6
No paper error -- -- ON 6
CD-R Tray error -- -- ON 6
Cover open error -- Flashes 2 Flashes 2 6
Ink cartridge replacement is in
progress
Flashes -- -- 7
Ink sequence is in progress Flashes -- -- 8
CSIC error -- ON -- 9
No ink cartridge error or ink-out error -- ON -- 9
During feeding or ejecting paper Flashes -- -- 10
Data processing Flashes -- -- 10
Ink level low -- Flashes -- 11
Power ON ON -- -- 12
Reset request*
2
ON ON ON -
Pri-
ority*
1
2
3
Chapter 1 Product Description 1.5 Operation Buttons & Indicators (LEDs) 20
Note : --: No change
Flash: Repeats turning On and Off every 1.25 seconds.
Flash 2: [Epson Stylus Photo R280/R285/R290]
Repeats On for 0.5 seconds, Off for 0.5 seconds,
On for 0.5 seconds, and Off for 1.0 second.
[Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50]
Flash at high speed: Repeats turning On and Off every 0.5 seconds.
Flashes alternately 1: same as the “Flash”
Flashes alternately 2: Repeats turning Off and On every 1.25 seconds.
Repeats On for 1.25 seconds, Off for 1.25 seconds,
On for 0.5 seconds, and Off for 1.0 second.
Note *1: When two or more errors occur at the same time, the one with higher priority will be
indicated.
*2: The all LEDs light for 0.2 seconds when a reset request is received.
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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
request
CD-R guide error
Paper jam
No paper
Multi-feed
CD-R Tray error
Ink-out The cartridge has run out of ink. Replace the ink cartridge.
No ink cartridge
Wrong ink
cartridge
Note : For more information on the remedies, see 3.2 Error Indications and Fault
Occurrence Causes.
Note *1: When the CD-R guide (stacker) is attached to the upper position (CD-R print
position), attach the guide to the lower position and press the Paper button.
*2: When the CD-R tray has been inserted, remove the CD-R tray and press the Ink
button.
Waste ink pads need to be
replaced.
• The CD-R guide (stacker)
position does not match with
Replace the waste ink pads and
reset the counter.
Attach the CD-R guide (stacker) to
the proper position.
the print job.
• The CD-R guide (stacker) is in
the CD-R printing position at
power-ON.
A paper jam has occurred. <When printing on paper>
Remove the jammed paper and
press the Paper button.*
1
<When printing on CD-R>
Remove the jammed CD-R tray
and press the Paper button.
Failed to feed paper. Load paper correctly and press the
1
1
Multiple sheets of paper were fed
at the same time.
Paper button.*
Press the Paper button to eject the
multiple sheets.*
A CD-R tray were not detected. Insert the CD-R tray and press the
Paper button.
*2
Ink cartridge(s) was not detected. Replace the ink cartridge.
*2
Chapter 1 Product Description 1.5 Operation Buttons & Indicators (LEDs) 21
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OPERATING PRINCIPLES
CHAPTER
2
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Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C
PF Encoder Sensor APG Sensor
ASF Unit
CR Motor
PF Motor
LD Roller
CR Encoder
Sensor
PE Sensor
PF Roller Shaft
APG Unit
Ink System
CR Lock Lever
EJ Roller Shaft
PW Sensor
Cap ASSY
CR Shaft
CDR Guide
Sensor
Printhead
CR Unit
EJ Frame
CDR Tray
Sensor
2.1 Overview
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.
2.1.1 Printer Mechanism
The main components of the printer mechanism are shown in the table below.
Table 2-1. Printer Mechanism Main Components
Component Function
CR Unit
APG Unit
PF Unit Rotates the PF roller shaft to feed paper being powered by the PF motor.
ASF Unit
EJ Unit
Ink System
The main control boards are shown in the table below.
Main Board
Power Supply Board
(P/S ASSY)
Panel Board Located inside the Panel Unit and controls the operation panel.
Chapter 2 Operating Principles 2.1 Overview 23
Moves along the CR shaft to print on paper being powered by the CR motor.
The unit includes Printhead, PW sensor, and CR encoder sensor.
Moves the carriage upward/downward to adjust the platen gap being powered by
the PF motor. There are 4 preset levels of platen gap and the unit moves the
carriage to one of the levels according to the current carriage position detected by
the APG sensor.
Being powered by the PF motor, feeds paper loaded on the ASF into the printer
mechanism.
Being powered by the PF motor, ejects paper or the CDR tray.
The EJ frame moves corresponding to the stacker position so that the frame
matches with the paper size.
Located on the right side of the printer mechanism. Covers the printhead with the
cap holder when the printhead is not used, and draws waste ink out of the
printhead. The waste ink is sent to the Waste Ink Tray through the waste ink tube.
Table 2-2. Main Control Boards
Board Function
Located on top of the printer mechanism and controls all over the
printer operations.
Located on the Lower Housing and generates required voltages for the
printer using the power supplied from the AC power line.
Cover Open
Cover Open
Sensor
Sensor
Figure 2-1. Printer Mechanism Diagram
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APG Sensor
CR Motor
PF Motor
PF Encoder Sensor
CDR Tray Sensor
CR Encoder Sensor
PE Sensor
PW Sensor
Cover Open Sensor
CDR Guide Sensor
CR Contact Module
2.1.2 Motors & Sensors
No. Motor/Sensor Name Function
1 Printhead F3-MACH Turbo2 head (6 colors x 90 nozzles)
2 CR motor
3PF motor
4 PE sensor
5 CR Contact module Ink cartridge detection (CSIC)
6 CR Encoder sensor
7 PF Encoder sensor
8 PW sensor
9 APG sensor
10 CDR Guide sensor
11 CDR Tray sensor
12 Cover Open sensor
Table 2-3. List of Motors & Sensors
Type: DC motor
Drive voltage: 42V DC
Ω ± 10%
Ω ± 10%
Coil resistance: 22.7
Inductance: 17.5mH ± 25%
Drive method: PWM constant-current chopping
Type: DC motor
Drive voltage: 42V DC
Coil resistance: 21.2
Inductance: 17.2mH (1 kHz)
Drive method: PWM
Detecting items: paper end, leading edge of paper
Type: Transmissive photo interrupter
Type: Transmissive photo interrupter
Resolution: 180 pulse/inch
Type: Transmissive photo interrupter
Resolution: 180 pulse/inch
Detecting items:
• Left/right edges of paper (before/during printing)
• Top edge of paper (before printing)
• Bottom edge of paper (during printing)
• Left/right/top/bottom of CDR (before printing)
Type: Reflective photo interrupter
Detecting items: APG position
Type: Transmissive photo interrupter
Detecting items: Up/Down status of the CDR Guide
Type: Mechanical contact
Detecting items: Presence of CDR tray
Type: Mechanical contact
Detecting items: Open/Close status of the Printer Cover
Type: Mechanical contact
± 5% (voltage applied to the driver)
± 5% (voltage applied to the driver)
Figure 2-2. Motors & Sensors in the Printer Mechanism
Chapter 2 Operating Principles 2.1 Overview 24
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A D J U S T M E N T
R E Q U I R E D
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.
Table 2-4. Overview of BRS and PFP
Target Print Mode
4 x 6 inch
(102 x 152 mm)
4 x 6 inch
(102 x 152 mm)
Remarks
720 x 720 ---
720 x 720 With BRS, Borderless print
720 x 360
Without BRS,
Borderless print
BRS
PFP
Summary
Conventional models perform overlapping printing (2-path or 4path print) to reduce banding problem. Printers that incorporate the
Banding Reducing System do not perform the overlapping printing.
They carry out 1-path printing correcting ink drop amount for each
raster mode in order to avoid making a gap between each path
(printed line). This enables to achieve both high print quality (less
banding) and high print speed.
In the conventional method to improve paper feed accuracy, the
adjustment value is calculated based on a value obtained at a
certain point of paper. Therefore, correcting the total paper feed
amount (from when paper is fed and to when finishing printing)
was impossible. The Paper Feed Amount Profile Correction offers
more precise control over the paper feeding. Paper feed errors are
measured at various points and a correction value is calculated for
each of the points. This enables to ensure print quality in the target
print mode.
Paper Type Paper Size Resolutions (dpi)
Ultra Glossy Photo Paper
Premium Glossy Photo Paper
Glossy Photo Paper
Premium Semigloss Photo Paper
Ultra Glossy Photo Paper
Premium Glossy Photo Paper
Glossy Photo Paper
Premium Semigloss Photo Paper
Adjustment/Correction method
Correction values of the BRS and the PFP are automatically calculated when a pattern printed by the printer is scanned by a specified scanner. The created correction
values are stored into the serial flash ROM on the main board, and applied when printing in the target print mode.
For information on how to carry out the BRS and PFP,
See Chapter 5 Adjustment.
Chapter 2 Operating Principles 2.2 Banding Reduction System (BRS) / Paper Feed Amount Profile Correction (PFP) 25
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CR lock CR
CR lock
is released
2.3 Power-On Sequence
This section describes the power-on sequences.
Condition
Completing ink charge.
No CDR Tray and no paper on the paper path.
The stacker is not set on the CDR printing position.
The Printhead is capped with the Cap of the Ink System.
The Carriage is locked by the CR lock.
Table 2-5. Operation of the power-on sequence
Operation
1. Checking waste ink overflow
1-1.Reads out the protection counter value to check
waste ink overflow
2. Avoiding deadlock sequence
2-1.The carriage moves to the 0-digit side slowly and
confirms it touches the Right Frame.
2-2.The carriage slightly moves to the 80-digit side.
2-3.The PF Motor rotates clockwise and releases the
CR lock.
2-4.The carriage moves to the 0-digit side slowly and
confirms it touches the Right Frame.
2-5.The carriage returns to its home position.
3. CDR Tray sensor
3-1.Checks with the CDR Tray sensor if the CDR
Tray is not set.
3-2.The PF Motor rotates clockwise to eject the CDR
Tray.
*1
movement and position
*4
Carriage/PF roller
*2
*3
PG
Any
position
↓
↓
↓
↓
↓
↓
↓
Table 2-5. Operation of the power-on sequence
Operation
4. Releasing the CR lock
4-1.The PF Motor rotates clockwise and releases the
CR lock.
5. Seeking the home position
5-1.The carriage slowly moves to the 80-digit side.
5-2.The carriage moves to the 0-digit side slowly and
confirms it touches the Right Frame.
5-3.The carriage slowly moves to the CR lock set
position.
5-4.The PF motor rotates clockwise and releases the
CR lock.
5-5.The PF motor rotates counterclockwise and sets
the CR lock.
5-6.The carriage moves to the 80-digit side slowly and
confirms it touches the CR lock.
5-7.The carriage slowly moves to the 0-digit side to
the CR lock set position.
5-8.The PF motor rotates clockwise and releases the
CR lock.
5-9.The carriage moves to the 80-digit side slowly and
confirms it does not touch the CR lock.
5-10.The carriage slowly moves to its original
position, and home position is fixed.
Afterward, the carriage position is monitored
according to the signals from the CR Encoder.
6. Resetting APG
6-1.The carriage slowly moves to the Right Frame and
stops there.
*1
Carriage/PF roller
movement and position
(Continue to the next page)
*2
*3
PG
Any
position
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
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Table 2-5. Operation of the power-on sequence
Operation
6-2.The PF Motor rotates clockwise while monitoring
the PG sensor.
6-3.After the PG sensor switched from Off to On, the
PF Motor rotates clockwise by the specified step
until it detects the PG-- (APG home position).
6-4. After detecting the APG home position, the carriage
slightly moves to
the 80-digit side.
6-5. After the PF Motor rotates counterclockwise
specified step
, it rotates clockwise to confirm the PG
sensor is set to On-state.
6-6.The carriage slowly returns to its home position.
7. Setting the APG to PG++
7-1.The carriage slowly moves to the Right Frame and
stops there.
7-2.The PF Motor rotates clockwise and sets to PG++.
7-3.The carriage slowly returns to its home position.
8. PF initialization
8-1.Checks if paper exists by the PE sensor*5 and the
PF Motor rotates clockwise for one second.
9. PF Motor measurement
9-1.The PF motor rotates clockwise for four seconds,
and performs a load measurement.
10.Low temperature operation sequence
10-1.The PF Motor rotates clockwise, and releases the
CR lock.
10-2.The carriage moves back and forth between CR
lock and the 80-digit side for two times.
*1
by the
*6
*7
Carriage/PF roller
movement and position
*2
*3
PG
Any
position
↓
↓
PG--
↓
↓
PG++
↓
↓
↓
↓
↓
Table 2-5. Operation of the power-on sequence
Operation
11.Setting the APG to PG--
11-1.The carriage slowly moves to the Right Frame
and stops there.
11-2.The PF Motor rotates clockwise and sets to PG--.
11-3.The carriage slowly returns to its home position.
12.CR measurement and PW sensor initialization
12-1.The PF Motor rotates clockwise, and releases the
CR lock.
12-2.The carriage slowly moves to the 80-digit side.
12-3.The carriage performs a load measurement while
moving to the VHCheck position, and records the
detected voltage of the PW sensor at the specified
three positions, then stops.
12-4.The carriage detects the voltage of the PW sensor
at the carriage stop position (the black area at the
Paper Guide Front).
12-5.The carriage performs a load measurement while
moving to the 0-digit side, and stops.
12-6.The carriage performs a load measurement while
moving to the VHCheck position, and records the
detected voltage of the PW sensor at the specified
three positions, then stops.
12-7.The carriage detects the voltage of the PW sensor
at the carriage stop position (the black area at the
Paper Guide Front).
12-8.The carriage performs a load measurement while
moving to the 0-digit side, and stops.
*1
Carriage/PF roller
movement and position
(Continue to the next page)
*3
PG
*2
↓
PG--
↓
↓
↓
↓
↓
↓
↓
↓
↓
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Table 2-5. Operation of the power-on sequence
Operation
13.Detecting ink cartridge and initializing ink system
13-1.The PF motor rotates clockwise and releases the
CR lock.
13-2.The PF Motor rotates clockwise for one second,
and resets the PF Roller.
13-3.The carriage slowly moves to the 0-digit side.
13-4.After the carriage moves to the 80-digit side and
checks the ink end sensor, detects the ink
remaining.
13-5.The carriage slowly returns to its home position.
14.CR lock setting
14-1.The carriage slowly moves to the CR lock set
position.
14-2.The PF Motor rotates counterclockwise, and sets
the CR lock.
14-3.The carriage slowly returns to its home position.
Note *1: The rotation direction of the PF Motor is as follows.
Clockwise: Paper is fed normally
Counterclockwise: Paper is fed backward
*2: The condition of the CR lock is as follows.
Red: CR lock is set
White: CR lock is released
*3: Indicates the PG position. “Any position” means that the PG position is not
recognized because APG is not reset yet.
*4: Checks if the carriage is not deadlock such as the CR lock is caught in the gap of the carriage.
*5: Eject the paper if any.
*6: When paper exists, the existing measurement value saved in EEPROM is read out;
therefore, the PF Motor does not rotate.
*7: Executes when the detected temperature is under 5 oC (41oF) by the thermistor on the Printhead.
*8: The empty sanction operation may occur depending on the situation.
*9: If paper remains in the printer, the PF Roller rotates by steps enough to eject the paper forcibly.
*1
*9
Carriage/PF roller
movement and position
*8
2.4 Printer Initialization
*3
PG
*2
↓
↓
PG--
↓
↓
↓
↓
↓
There are four kinds of initialization method, and the following explains each
initialization
1. Hardware initialization
This printer is initialized when turning the printer power on, or printer recognized
the cold-reset command (remote RS command).
When printer is initialized, the following actions are performed.
(a) Initializes printer mechanism
(b) Clears input data buffer
(c) Clears print buffer
(d) Sets default values
2. Operator initialization
Initialization when resetting the USB software, and the following are performed.
(a) Clears input data buffer
(b) Clears print buffer
(c) Sets default values
3. Software initialization
The ESC@ command also initialize the printer.
When printer is initialized, the following actions are performed.
(a) Clears print buffer
(b) Sets default values
4. IEEE 1284.4 “rs” command initialization
The printer recognized the IEEE 1284.4 “rs” command.
When printer is initialized, the following action is performed.
Initialization when an error occurs.
(a) Initializes printer mechanism
(b) Clears input data buffer
(c) Clears print buffer
(d) Sets default values
Initialization in normal operation
(a) Clears input data buffer
(b) Clears print buffer
(c) Sets default values
Chapter 2 Operating Principles 2.4 Printer Initialization 28
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TROUBLESHOOTING
CHAPTER
3
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Start
Identifying the error cause by the error
message or observed symptom.
Repair or replacement of
parts or components
Reassembly and adjustment
End
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. If any abnormality is observed in motors
or sensors, check the electrical value referring to the 3.1.1 “Troubleshooting on Motors
and Sensors”(p.30).
3.1.1 Troubleshooting on Motors and Sensors
The following tables show the normal electric values of each motor and sensor. When
any abnormality is observed in motors and sensors, check their electric values and
compare them with the values given in the tables to see if the motors or sensors are
broken or not.
Table 3-1. Motor Resistance & Measuring Points
Motor Motor Connector Measuring Points Resistance
CR Motor
PF Motor
Sensor Sensor Connector Signal Level Status
PE Sensor
APG Sensor
CDR Guide Sensor
CN14 Between Pin 1 and 2 22.7Ω ± 10%
CN13 Between Pin 1 and 2 21.2Ω ± 10%
Table 3-2. Sensor Checkpoints
CN6
Between Pin 1 and 2
CN7
Between Pin 1 and 2
CN4
Between Pin 1 and 2
2.4V or more No paper
0.4V or less Paper exists
2.4V or more Within PG position
0.4V or less Out of PG position
CDR mode
Open: 2.4V or more
Close: 0.4V or less
(Stacker is at the upper
position)
ASF mode
(Stacker is at the lower
position)
Figure 3-1. Troubleshooting Flowchart
CD-R Tray Sensor
Cover OPEN Sensor
Note : See 2.1.2 “ Motors & Sensors ”(p.24) for locations of the motors and sensors.
CN4
Between Pin 3 and 4
CN17
Between Pin 1 and 2
Open: 2.4V or more CD-R Tray inserted
Close: 0.4V or less No CD-R Tray
Open: 2.4V or more Printer Cover opened
Close: 0.4V or less Printer Cover closed
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Error Message
Ink Level
Descriptions
of the error
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.
3.2.1 Error Indication Method
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 & LEDs Functions ”(p.19))
LEDs Status
LED Status Meaning
-- No change
Light Lights up normally
Flash Flashes at intervals of 1.25 seconds.
Flash 2 Flashes as follows; ON (0.5 sec.) - OFF (0.5 sec.) - ON (0.5 sec.) - OFF (1.0 sec.)
Flashes at high
speed
Flashes
Alternatively 1
Flashes
Alternatively 2
Flashes at intervals of 0.5 seconds.
Same as Flash
Flashes at intervals of 1.25 seconds.
Message box on the window of “EPSON Status Monitor 3”
Figure 3-2. Error Indication on EPSON Status Monitor 3
NOTE: The part number of the Ink Cartridges shown in the Status Monitor 3
screen differs by destination.
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Table 3-3. List of Error Messages
Error Name
Communication error
Fatal error
Maintenance request
error
CDR Guide error
Paper (CDR) jam
No paper
Multi-feed
CDR Tray error
Ink-out
No ink cartridge
Wrong ink cartridge
Cover open error
Note *: The “XXXX” represents the part number of the Ink Cartridge.
Power Ink Paper
LED Indications
Check all connections and make sure all devices are on. If the
---
Off
Off
-
--Flash
- - Light
- - Light
- - Light Reload the tray, then press the Paper button on the printer. A CD-R tray was not detected.
- Light - Black: XXXX
- Light -
- Light -
- Flash 2 Flash 2
Flashes at
high speed
Flashes
alternately 2
Flashes at
high speed
Flashes at
high speed
Flashes
alternately 1
Flash 2
power was turned off during printing, cancel the print job. If
the error does not clear, see your printer documentation.
Delete all print jobs and turn the printer off. Remove any
foreign objects from inside the printer. After a few minutes,
turn the printer back on.
Parts inside your printer are at the end of their service life. See
your printer documentation.
For sheets of paper, manually set the front tray in the lower
paper position. For a CD or DVD, manually set the front tray
in the upper CD/DVD position.
For sheets of paper, turn off the printer and then remove any
jammed paper by hand. For a CD or DVD, remove the CDR
tray. Next, press the Paper button on the printer or click the
Eject button if it appears on this screen.
Reload the paper and manually set the front tray in the lower
paper position. Then press the Paper button on the printer or
click the Continue button if it appears on the screen.
To cancel all print jobs, click the Cancel button.
A page has not been printed, multiple pages have been fed
into the printer at once, or the wrong paper size has been fed
into the printer. Remove and reload the paper. Press the Paper
button if necessary.
Color: XXXX*
Epson recommends the genuine Epson cartridges listed
above. Click the How to button for ink cartridge replacement
instructions.
Close the printer cover.
*
...................
STM3 Message Error Cause
The printer cannot communicate with the PC
properly.
A mechanical error has occurred. Table 3-5 (p.34)
Waste ink pads need to be replaced.
• 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.
A paper jam has occurred.
Failed to feed paper.
Multiple sheets of paper were fed at the same
time.
The cartridge has run out of ink.
Ink cartridge(s) was not detected.
The Cover Open Sensor detects the Printer Cover
is open.
See the table for
Troubleshooting
Table 3-4 (p.33)
-
Table 3-11 (p.43)
Table 3-8 (p.38)
Table 3-9 (p.40)
Table 3-8 (p.38)
Table 3-10 (p.42)
Table 3-7 (p.37)
Table 3-6 (p.36)
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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. Troubleshooting for Communication Error
Occurrence
Timing
At power-on
Symptom Failed Part Check Point Remedy Reference
The printer does not
work at all.
Panel Board/
Panel FFC
P/S ASSY
USB cable
Printer driver
1. Is the Panel FFC not connected to the Panel Board
and CN5 on the Main Board?
2. Is the Panel FFC damaged? 2. Replace the Panel FFC.
3. Is the Panel Board damaged? 3. Replace the Panel Board.
1. Is the P/S ASSY connector cable not connected to
CN3 on the Main Board?
2. Is the P/S ASSY cable or the P/S ASSY itself
damaged?
1. Is the USB cable not connected to the printer and
the PC?
1. The printer driver installed on the PC is not the
one for the Epson Stylus Photo R280/R285/R290
and Epson Artisan 50/Epson Stylus Photo T50/
T59/T60/P50?
1. Connect the FFC correctly.
1. Connect the cable correctly.
2. Replace the P/S ASSY.
* If this does not solve the problem, replace the
Main Board Assy.
1. Connect the USB cable correctly.
1. Install the correct printer driver.
4.3.2 “Panel Assy/
Cover Open
Sensor”(p.67)
4.3.3 “P/S Assy”(p.71)
-
-
Main Board
1. The model name written into EEPROM on the
Main Board is wrong?
1. Write the correct model name to the EEPROM
using the Adjustment Program.
5.1.1 "Servicing
Adjustment Item List"
(P.104)
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PG Cam
CR Shaft
Table 3-5. Troubleshooting for Fatal Error
Occurrence
Timing
Symptom Failed Part Check Point Remedy Reference
At power-on
• CR motor does not
rotate at all.
• CR Unit hits against
the right side of the
Main Frame.
CR Motor
Main Frame
CR Guide Shaft
CR Encoder
Head FFC
CR Scale
Timing Belt
1. Is the CR motor cable not connected to CN14 on
the Main Board?
2. Is there a malfunction of the CR motor?
1. Is their any dirt on the Main Frame? Or is the
frame not adequately lubricated?
1. Is their any dirt on the CR Guide Shaft? Or is the
shaft not adequately lubricated?
2. Is the PG cam chipped or broken? 2. Replace the CR Guide Shaft.
1. Is the Head FFC not connected to the CR encoder
connector?
2. Is the CR encoder chipped or broken?
1. Is the Head FFC broken? 1. Replace the Head FFC.
1. Is the CR Scale not moving freely, centered
between the sides of CR encoder sensor?
2. Is there any dirt on the CR Scale? 2. Clean off any dirt on the CR Scale. If the scale
3. Is the CR Scale chipped or broken? 3. Replace the CR Scale.
1. Is the Timing Belt attached incorrectly?
1. Connect the cable correctly.
2. Replace the CR motor.
1. Clean off any dirt on the frame and apply
adequate grease on it.
1. Clean off any dirt on the shaft and apply
adequate grease on it.
1. Connect the Head FFC to the connector
correctly.
2. Replace the CR Unit.
1. Install the CR Scale correctly.
get heavily soiled, replace the scale.
1. Attach the belt correctly.
4.3.1 “Main Board
Unit”(p.64)
4.4.12 “CR Motor”(p.87)
6.1.3 "Lubrication"
(P.122)
6.1.3 "Lubrication"
(P.122)
4.4.13 “CR Unit”(p.89)
4.4.3 “CR Scale”(p.77)
4.4.13 “CR Unit”(p.89) /
4.4.12 “CR Motor”(p.87)
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Compression Spring2.36
Change Lever
CR Motor
Table 3-5. Troubleshooting for Fatal Error
Occurrence
Timing
Symptom Failed Part Check Point Remedy Reference
1. Is the Compression spring 2.36 of the Change
Lever disengaged?
1. Replace the ASF Unit.
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.
The CR Unit hits
against the Upper Paper
Guide detached from
the Main Frame.
ASF Unit
PF Motor
PF Encoder
PF Scale
Upper Paper Guide
1. Is the PF motor cable not connected to CN13 on
the Main Board?
2. Is there a malfunction of the PF motor? 2. Replace the PF motor.
1. Is the PF encoder FFC not connected to the PF
encoder connector and the Main Board?
2. Is the PF encoder chipped or broken? 2. Replace the PF encoder.
1. Is the PF Scale not moving freely, centered
between the sides of PF encoder sensor?
2. Is their any dirt on the PF Scale? 2. Clean off any dirt on the PF Scale. If the scale
3. Is the PF Scale chipped or broken? 3. Replace the PF Scale.
1. Is the Upper Paper Guide detached from the Main
Frame?
1. Connect the cable to the Main Board.
1. Connect the FFC to the PF encoder and the
Main Board.
1. Install the PF Scale or PF encoder correctly.
gets heavily soiled, replace the scale.
1. Attach the Upper Paper Guide correctly.
4.4.14 “ASF Unit”(p.92)
4.3.1 “Main Board
Unit”(p.64)
4.4.11 “PF Motor”(p.87)
4.3.1 “Main Board
Unit”(p.64)
4.4.10 “PF Encoder / PF
Scale”(p.86)
4.4.10 “PF Encoder / PF
Scale”(p.86)
4.4.10 “PF Encoder / PF
Scale”(p.86)
4.4.15 “Upper Paper
Guide”(p.94)
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Combination Gear
CR Motor
Table 3-5. Troubleshooting for Fatal Error
Occurrence
Timing
At power-on
During
changing the
platen gap
Symptom Failed Part Check Point Remedy Reference
1. Is the APG Unit installed incorrectly? 1. Install the APG Unit carefully so as not to shift
the phase.
The error occurs when
the PG (gap between
the printhead surface
and the platen) is
changed with the APG
Unit.
2. Is the Combination Gear 10,15.2 disengaged or
attached incorrectly?
APG Unit
2. Attach the gear correctly.
4.4.4 “APG Unit”(p.78)
Any time
Occurrence
Timing
At power-on
Other than above
symptoms
APG Sensor Assy
Printhead
Main Board
1. Is the APG sensor damaged?
1. Is the Printhead damaged?
1. Is the Main Board damaged? 1. Replace the Main Board.
1. Replace the APG Sensor Assy.
1. Replace the Printhead.
4.4.16 “APG Sensor
Assy”(p.95)
4.4.2 “Printhead”(p.75)
4.3.1 “Main Board
Unit”(p.64)
Table 3-6. Troubleshooting for Cover Open Error
Symptom Failed Part Check Point Remedy Reference
The Printer Cover is
closed, but the Cover
Open error occurs.
Cover Open Sensor
1. Is the Cover Open Sensor cable not connected to
CN17 on the Main Board?
2. Is the
3. Is the Cover Open Sensor
Cover Open Sensor cable
damaged
damaged?
? 3. Replace the Cover Open Sensor.
1. Connect the cable to the connector on the Main
Board.
2. Replace the Cover Open Sensor cable.
4.3.2 “Panel Assy/ Cover
Open Sensor”(p.67)
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Memory Chip
Ink Cartridge
CSIC Terminal
CSIC ASSY
Backside
CSIC ASSY
Head Board
Table 3-7. Troubleshooting for Ink Cartridge Detection Error/ Ink Cover Open Error/ Cartridge Empty Error
Occurrence
Timing
Symptom Failed Part Check Point Remedy Reference
1. Is the memory chip on the cartridge chipped or
broken?
1. Replace the ink cartridge.
At power-on
The error appears after the
carriage home position is
detected.
Ink Cartridge
Head FFC
Head Board
1. Is the Head FFC not connected to the Head Board
and CN10, CN11, and CN12 on the Main Board?
1. Are the CSIC terminals chipped or broken? 1. Replace the CSIC ASSY.
2. Is the Head Board damaged? 2. Replace the CSIC ASSY.
1. Connect the Head FFC to the Head
Board and the Main Board.
-
4.4.13 “CR
Unit”(p.89) / 4.3.1
“Main Board
Unit”(p.64)
4.4.2
“Printhead”(p.75)
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Torsion Spring 0.22
PE Sensor Lever
Extension
Spring
ASF
Retard
Roller
Table 3-8. Troubleshooting for Paper Jam Error
Occurrence
Timing
Even though the printer performs
paper feeding operation, the paper is
not fed into the printer.
Symptom Failed Part Check Point Remedy Reference
ASF Unit
Front Paper Guide
Assy
1. Is the ASF Unit installed incorrectly?
2. Is the Paper Return Lever not moving properly
during the feeding operation?
1. Is the Torsion Spring 0.22 attached incorrectly? 1. Install the PE Sensor Lever and Torsion
1. Install the ASF Unit correctly.
2. Install the Paper Return Lever and the
Torsion Spring 6.45 correctly.
Spring 0.22 correctly.
4.4.14 “ASF
Unit”(p.92)
4.4.17 “Front Paper
Guide Assy”(p.96)
Any time
Multiple sheets are fed at a time.
Paper is fed into the printer, but
ejected at once without any printing
operation.
ASF Unit
PE Sensor
1. Is the Retard Roller Assy not moving properly
during the feeding operation?
1. Is the PE sensor cable not connected to CN6 on
the Main Board?
1. Is the PE Sensor damaged? 2. Replace the PE Sensor.
1. Attach the Extension Spring 1.98 on the
back side of the Retard Roller Assy
correctly.
1. Connect the cable to the Main Board.
4.4.14 “ASF
Unit”(p.92)
4.3.1 “Main Board
Unit”(p.64)
4.4.17 “Front Paper
Guide Assy”(p.96)
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Torsion Spring 0.22
PE Sensor Lever
Star Wheel Holder
Table 3-8. Troubleshooting for Paper Jam Error
Occurrence
Timing
Paper is fed into the printer, but
ejected at once without any printing
operation.
Symptom Failed Part Check Point Remedy Reference
3. Is the Torsion Spring 0.22 detached or attached
incorrectly?
PE Sensor
3. Install the PE Sensor Lever and the
Torsion Spring 0.22 correctly.
4.4.17 “Front Paper
Guide Assy”(p.96)
Front Paper Guide
Pad
Any time
Paper cannot go through between
the EJ Roller and the Star Wheel
Roller.
The leading edge of paper does not
reach the PF Roller.
Note : * Be careful not to let jammed paper rub against the nozzle surface of the Printhead, or it may damage the Printhead.
EJ Frame ASSY*
Upper Paper Guide*
1. Is the Front Paper Guide Pad attached incorrectly?
1. Is the Star Wheel Holder detached?
2. Is the EJ Frame Assy installed incorrectly? 2. Install the EJ Frame Assy correctly.
3. Has the EJ Frame Assy become deformed
obstructing the paper path?
1. Is the Upper Paper Guide disengaged from the
Main Frame?
1. Install the pad correctly.
1. Attach the Star Wheel Holder correctly.
3. Replace the EJ Frame Assy.
1. Install the Upper Paper Guide correctly.
4.4.9 “EJ Frame
Assy”(p.84)
4.4.15 “Upper Paper
Guide”(p.94)
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ASF
Extension Spring
LD Roller
Protrusion
LD Roller
Table 3-9. Troubleshooting for No Paper Error
Occurrence
Timing
The LD Roller rotates normally to
feed paper, but the Hopper does not
move.
The LD Roller rotates normally, but
paper is not fed into the printer.
Symptom Failed Part Check Point Remedy Reference
ASF Unit
ASF Unit
1. Is the Hopper not moving properly during the
feeding operation?
1. Is there any paper dust on the LD Roller? 1. Remove the paper dust on the LD Roller
1. Is the Extension Spring 0.143 of the clutch
mechanism detached?
1. Attach the Compression Spring 2.51
correctly to the ASF Frame and the
Hopper.
with a cloth moistened with alcohol.
* If this does not solve the problem,
replace the ASF Unit.
1. Attach the Extension Spring 0.143
correctly.
Any time
The PF Motor drive force is not
transmitted to the LD Roller shaft.
4.4.14 “ASF
Unit”(p.92)
ASF Unit
2. Is the protrusion of the clutch chipped or broken? 2. Replace the ASF Unit.
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LD Roller
Clutch
ASF
Compression Spring2.36
Change Lever
CR Motor
Edge of Change Lever
Edge of Change Lever
Table 3-9. Troubleshooting for No Paper Error
Occurrence
Timing
Symptom Failed Part Check Point Remedy Reference
3. Is the clutch damaged? 3. Replace the ASF Unit.
Any time
The PF Motor drive force is not
transmitted to the LD Roller.
The LD Roller shaft is not set in the
ASF home position, and paper is
always fed from the ASF Assy.
ASF Unit
ASF Unit
4. Is the Compression Spring 2.36 of the Change
Lever detached?
1. Is the edge of the Change Lever chipped or
broken?
4. Replace the ASF Unit.
4.4.14 “ASF
Unit”(p.92)
1. Replace the ASF Unit.
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CDR Tray
Contact point
White Mark
Table 3-10. Troubleshooting for CD-R Tray Error
Occurrence
Timing
Symptom Failed Part Check Point Remedy Reference
1. Has the part of the CDR Tray that contacts with
the CDR Tray Sensor become cracked?
1. Replace the CDR Tray.
When printing on
CDs/DVDs
The CDR Tray is set to the printer,
but the error occurs.
The CDR Tray center detection
sequence is interrupted, and the tray
is ejected.
CDR Tray
CDR Tray Sensor
CDR Tray
1. Is the CDR Sensor cable not connected to CN4 on
the Main Board?
2. Is the CDR Tray Sensor damaged? 2. Replace the CDR Tray Sensor.
1. Is there any paper dust or foreign matter on the
white mark on the CDR Tray?
1. Connect the cable to the connector on
the Main Board.
1. Remove any dust or foreign matter from
the tray.
-
4.4.18 “CDR
Tray
Sensor”(p.98) /
4.3.1 “Main
Board
Unit”(p.64)
-
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CR Encoder
Board
Cable
PW Sensor
Table 3-10. Troubleshooting for CD-R Tray Error
Occurrence
Timing
When printing on
CDs/DVDs
The CDR Tray center detection
sequence is interrupted, and the tray
is ejected.
Symptom Failed Part Check Point Remedy Reference
PW Sensor
Main Board
1. Is there any paper dust or ink stain on the PW
Sensor?
2. Is the PW Sensor cable not connected to the CR
Encoder Board and the PW Sensor?
3. Is the PW Sensor cable broken? 3. Replace the CR Unit.
4. Is the PW Sensor damaged? 4. Replace the CR Unit.
1. Is there any chipped or broken elements on the
Main Board?
1. Clean off any dirt on the PW Sensor.
2. Connect the PW Sensor cable to the CR
Encoder Board and the PW Sensor.
1. Replace the Main Board.
4.4.13 “CR
Unit”(p.89)
4.4.13 “CR
Unit”(p.89)
4.3.1 “Main
Board
Unit”(p.64)
When printing on
CDs/DVDs
Chapter 3 Troubleshooting 3.3 Troubleshooting by Error Message 43
Occurrence
Timing
Symptom Failed Part Check Point Remedy Reference
The CDR Guide is set correctly, but
the error occurs.
Table 3-11. Troubleshooting for CDR Guide Error
1. Is the CDR Guide Sensor cable not connected to
CN4 on the Main Board?
CDR Sensor
Main Board
2. Is the CDR Guide Sensor damaged? 2. Replace the CDR Guide Sensor.
3. Is the CDR Guide Sensor cable broken? 3. Replace the CDR Guide Sensor cable.
1. Is there any chipped or broken elements on the
Main Board?
1. Connect the cable to the cable on the
Main Board.
1. Replace the Main Board.
4.3.1 “Main
Board
Unit”(p.64)
4.4.7 “Left &
Right Guide
Stackers / CDR
Guide
Sensor”(p.81)
4.3.1 “Main
Board
Unit”(p.64)
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Torsion Spring 0.22
PE Sensor Lever
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
Table 3-12. Troubleshooting Paper Feeding Problems
Symptom Possible Cause Check Point Remedy
Paper is not fed
into the printer.
The LD Roller is
contaminated or worn-out
The Pickup Roller and
Idle Roller are
contaminated or worn-out
Malfunction of the Paper
Feed Mechanism
Is there any “micro pearl” paper dust or oil stain on the
LD Roller?
Is there any “micro pearl” paper dust or oil stain on the
Pickup and Idle Rollers?
Is there a malfunction of the Paper Feeding
Mechanism?
Is the PE Sensor connector disconnected from the Main
Board or the sensor?
Is the Torsion Spring 0.22 detached or attached
incorrectly?
Use a cleaning sheet in order to clean the rollers.
1. Set a cleaning sheet in the ASF turning the sheet upside down.
2. Press the button on the operation panel to load the sheet.
3. Repeat the above procedure several times.
In order to remove a severe smear, staple a cloth moistened with alcohol to a post card and
carry out the following operations.
1. Set the post card in the ASF with the attached cloth facing the LD Roller or Retard Roller.
2. Then, holding the top edge, press the button on the operation panel to load the card.
3. Repeat Step 2. The paper dust or oil stain on the LD Roller or the Retard Roller surface is
removed.
If this does not solve the problem, replace the LD or Retard Roller.
Wipe the roller surface with a cloth moistened with alcohol.
Correct the phases of the Paper Feed Mechanism.
Remove any dust or foreign matter in the Paper Feed Mechanism.
Connect the PE Sensor cable to CN6 on the Main Board and the PE Sensor correctly.
Attach the Torsion Spring 0.22 and the PE Lever correctly.
Malfunction of the PE
Sensor and PE Lever
Is the PE Sensor damaged?
Replace the PE Sensor.
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Extension
Spring
ASF
Retard
Roller
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.
Multiple sheets
are fed at a time.
A malfunction of the
Retard Roller
Is the Retard Roller detached? Install the Retard Roller correctly.
Problems with ejecting paper
Table 3-13. Troubleshooting Paper Ejecting Problems
Symptom Possible Cause Check Point Remedy
Paper jam occurs
during ejecting
paper.
A malfunction of paper feeding
mechanism
A malfunction of EJ Roller Is the EJ Roller moving correctly? Engage the gears which transmit drive force to the EJ Roller.
Is the PF Roller not moving correctly without its drive force
transmitted to the EJ Roller?
Engage the gears in the paper feed mechanism correctly.
Problems with carriage (CR Unit) movements
Table 3-14. Troubleshooting Carriage Movement Problems
Symptom Possible Cause Check Point Remedy
Is there any obstruction on the carriage path? Remove the obstruction.
Movements of the
CR Unit during
printing is
abnormal.
Something interferes with the
operation of the CR Unit.
Move the CR Unit with your hand. The unit does not move
smoothly?
Is the slack of the Head FFC not enough or too much interfering
the carriage movement? Check that by moving the carriage from
side to side with your hand.
Clean the CR shaft and apply grease.
Route the Head FFC around the Main Frame correctly.
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Printer initialization operation is aborted
Table 3-15. Troubleshooting Initialization Stop Problems
Symptom Possible Cause Check Point Remedy
An error
occurs during
initialization
after poweron
Improper installation of the
EJ Frame
A malfunction of the CR
Motor
A malfunction of the PF
Motor
CR linear Scale failure
A malfunction of the CR
Encoder
PF Scale failure
A malfunction of the PF
Encoder
Head FFC failure
Printhead failure
Are the tabs of the EJ Frame disengaged? Reinstall the EJ Frame correctly.
Is the CR Motor cable/connector disconnected? Connect the CR Motor cable to CN14 on the Main Board.
Is the PF Motor cable/connector disconnected? Connect the CR Motor cable to CN13 on the Main Board.
Is the CR Linear Scale not moving freely, centered between the sides of CR encoder
sensor?
Is there any dirt on the CR Linear Scale? Clean off any dirt on the scale.3
Is the CR Linear Scale chipped or broken? Replace the CR Linear Scale.
Is the Encoder FFC disconnected from the CR Encoder Board? Connect the FFC to the board properly.
Is there any paper dust or dirt on the CR Encoder? Remove any paper dust or dirt on the CR Encoder.
Is the Encoder FFC damaged or broken? Replace the Head FFC.
Is the CR Encoder damaged or broken? Replace the CR Unit.
Is the PF Scale not moving freely, centered between the sides of PF encoder sensor? Install the scale correctly.
Is there any dirt on the PF Scale? Clean off any dirt on the scale.
Is the PF Scale chipped or broken? Replace the PF Scale.
Is the Encoder FFC disconnected from the PF Encoder Board? Connect the FFC to the board properly.
Is there any paper dust or dirt on the PF Encoder? Remove any paper dust or dirt on the PF Encoder.
Is the Encoder FFC broken? Replace the Encoder FFC.
Is the PF Encoder damaged or broken? Replace the PF Encoder.
Is the Head FFC disconnected? Connect the FFC to CN10, CN11, CN12, CN15, and CN16
Is the Head FFC damaged or broken? Replace the Head FFC.
Are the all nozzles not firing ink properly? Replace the Printhead.
Install the scale correctly.
on the Main Board.
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Print quality problems
Table 3-16. Troubleshooting Print Quality Problems
Symptom Possible Cause Check Point Remedy
Printed image has
missing colors,
and the missed
colors are always
same.
Missing dots
appear
sometimes.
White streak /
abnormal
discharge
Vertical lines are
misaligned.
Dirt on the Printhead.
The absorber of the Cap Unit
contacts with the Printhead surface
during printing.
Head FFC failure
A malfunction of the Printhead
Dirt on the Printhead.
Ink cartridge failure
Poor connection of the Head FFC
A malfunction of the Printhead
Poor connection of the Head FFC
A malfunction of the Printhead
Improper Bi-D adjustment
Run a cleaning cycle and make a test print. Repeat the operation
several times. Does the problem still appear?
Is the absorber of the Cap Unit deformed or damaged? Replace the Ink System.
Is the Head FFC damaged or broken? Replace the Head FFC.
Run a cleaning cycle and print a nozzle check pattern. Repeat the
operation several times. Does the problem still appear?
Run a cleaning cycle and print a nozzle check pattern. Repeat the
operation several times. Does the problem still appear?
Replace the ink cartridge with a new one, and print a nozzle check
pattern. The printed pattern has no missing dots?
Check the FFC with a tester. Does the result show poor connection
of the FFC?
Run a cleaning cycle and print a nozzle check pattern. Repeat the
operation several times. Does the problem still appear?
Is the Head FFC not securely connected to the CR Unit and boards? Connect the FFC correctly.
Is the Head FFC not securely connected to the Printhead? Connect the FFC correctly. If there is no problem with the connection
Using the Adjustment Program, check the Bi-D setting. Is the
setting made properly?
Clean the Printhead surface with a cotton swab.
Replace the Printhead.
Clean the Printhead surface with a cotton swab.
The cartridge is defective. Use the new cartridge.
Replace the Head FFC.
Replace the Printhead.
status, replace the Printhead.
Carry out the Bi-D adjustment properly.
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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.
Is there any dirt on the PF Roller? Clean the PF Roller surface with a soft brush carefully so as not scratch
it.
The cartridge is defective. Use the new cartridge.
Adjust the platen gap properly.
Replace the damaged gear(s).
Clean the Printhead surface with a cotton swab.
blade.
Replace the Printhead.
Printed image has
white banding.
PF Roller failure
Ink cartridge failure
A malfunction of Carriage
movements
Improper platen gap
Some gear(s) is (are) damaged.
Dirt on the Printhead is preventing
nozzles from firing ink straight
toward the paper.
A malfunction of the Printhead
CR shaft failure
Is the PF Roller damaged? Replace the PF Roller.
Replace the ink cartridge with a new one, and print a nozzle check
pattern. The printed pattern has no missing dots?
Are the carriage shaft and the Main Frame properly lubricated? Apply G-71 grease referring to “Lubrication of CR Unit ”(p.124).
Is the platen gap (gap between the Printhead surface and the platen)
not properly set?
Is (are) the gear(s) in the paper feed and ASF mechanisms
damaged?
Run a cleaning cycle and make a test print. Repeat the operation
several times. Does the problem still appear?
Is there any dust or foreign matter on the Cleaner Blade? Remove any dust or foreign matter on the Cleaner Blade, or replace the
Run a cleaning cycle and make a test print. Repeat the operation
several times. Does the problem still appear?
Is the CR shaft not properly installed? Reinstall the CR shaft properly.
Is the CR shaft surface damaged? Replace the CR shaft.
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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.
Improper power supply
Poor connection of the PS Assy connector Is the PS Assy connector not properly connected to the Main Board? Connect the connector properly.
The fuse burned out Is the fuse (F1) on the PS Board burned out? Replace the PS Board.
Abnormal voltage output of the PS Board
Do the power supplied from the AC line match with the electrical
requirements of the printer?
Check the voltage output from the PS Board. Is it abnormal? When the voltage is normal: Replace the Main Board.
Use an AC line that matches the printer electrical requirements.
When the voltage is abnormal: Replace the PS Assy.
3.4.3 Ink-related Problems
Printer stops halfway through its initialization process or printing operation.
Table 3-18. Troubleshooting Ink Supply Problems
Symptom Possible Cause Check Point Remedy
An Ink Out error occurs. The cartridge is empty. Is the ink cartridge empty? Replace the cartridge with a new one.
A No Cartridge error
occurs.
An ink cartridge error
occurs.
The printer cannot detect
the ink cartridge.
Ink cartridge is damaged.
Are ink cartridges not installed in the IC Holder? Install ink cartridges.
Are the ink cartridges not properly installed? Set the cartridges properly.
Are the top and bottom tabs of the ink cartridge broken? Replace the cartridge with a new one.
Is the CSIC Board not properly attached? Replace the cartridge with a new one.
Is there any chipped or broken elements on the CSIC Board? Replace the cartridge with a new one.
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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
The carriage moves
normally, but the printed
image is abnormal.
Ink cartridge failure
Poor connection of the
Head FFC
Cleaner Blade failure
Poor connection of the
Head FFC
A malfunction of the
Printhead
Ink leakage, clogging
Replace the ink cartridge with a new one, and make a test print. The
printed pattern has no missing dots?
Is the FFC not properly connected to the CSIC Board and the Main
Board?
Is there any dust or foreign matter on the Cleaner Blade? Remove the dust or foreign matter on the Cleaner Blade, or replace
Check the FFC using a tester. Is there any abnormality in the result? Replace the Head FFC.
Run a cleaning cycle and make a test print. Repeat the operation
several times. Does the problem still appear?
Is there any ink leakage found in the Printhead? Reinstall the ink cartridge correctly. If this does not solve the
The cartridge is defective. Use the new one.
Connect the FFC correctly.
the blade.
Replace the Printhead.
problem, replace the ink cartridge, or the Printhead.
Waste ink is not properly drained out of the Printhead or the Cap Unit.
Table 3-20. Troubleshooting Waste Ink Problems
Symptom Possible Cause Check Point Remedy
The pump tube failure Is there any collapsed sections of the tube? Replace the Ink System.
Is there any foreign matter on the cap, or is the cap damaged? Remove the foreign matter on the cap with a cotton swab. Replace
the cap in case that the cap is damaged.
Is the Compression Spring of the Cap Assy detached, broken, or
missing?
Is the tube not properly inserted in the Waste Ink Tray Assy, or not
properly routed under the tray?
Replace the Ink System.
Securely connect the tube to the Waste Ink Tray Assy routing the
tube correctly.
Waste ink is not properly
drained out of the
Printhead or the Cap Unit,
and not properly
transported to the Waste
Ink Tube.
Cap failure
Disconnection of the tube Is the tube disconnected from the Cap Unit? Connect the tube correctly.
A malfunction of cap
movement
The tube between the
Waste Ink Tray and the
Ink System Assy is at
fault.
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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.
USB cable failure
Poor connection of the USB terminals Is there any foreign matter on the USB terminal? Remove the foreign matter.
Main Board failure Is the Main Board damaged or broken? Replace the Main Board.
On the Windows PC, go to My Computer, Properties, Hardware, Device Manager.
Is the printer driver associated with Other Devices?
Replace the USB cable with a new one. Does the USB communication between the
printer and PC return to normal?
Uninstall the driver and reinstall it correctly following the instruction
described in the User’s Guide.
The USB cable is defective. Use the new one.
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DISASSEMBLY/ASSEMBLY
CHAPTER
4
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W A R N I N G
C A U T I O N
4.1 Overview
This chapter describes procedures for disassembling the main components of the Epson
Stylus Photo R280/R285/R290 and Epson Artisan 50/Epson Stylus Photo T50/T59/
T60/P50.
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.
Important tips for procedures are described under the heading “CHECK POINT”.
If the assembly procedure is different from the reversed disassembly procedure, the
correct procedure is described under the heading “REASSEMBLY”.
Any adjustments required after reassembly of components or parts are described under
the heading “ADJUSTMENT REQUIRED”.
When you have to remove any components or parts that are not described in this
chapter, refer to the exploded diagrams in the appendix.
The precautions in the two lists below (WARNING and CAUTION), must always be
followed during disassembly and assembly.
4.1.1 Precautions
See the precautions given under the heading “WARNING” and “CAUTION” in the following
column when disassembling
Epson Stylus Photo T50/T59/T60/P50
Epson
Stylus photo
.
R280/R285/R290 and Epson Artisan 50/
Disconnect the power cable before disassembling or assembling
the printer.
If you need to work on the printer with power applied, strictly
follow the instructions in this manual.
Wear protective goggles to protect your eyes from ink. If ink
gets in your eye, flush the eye with fresh water and see a doctor
immediately.
Always wear gloves for disassembly and reassembly to avoid
injury from sharp metal edges.
Use static discharge equipment such as anti-static wrist straps
when accessing internal components to protect sensitive
electronic components and circuitry.
Never touch the ink or wasted ink with bare hands. If ink comes
into contact with your skin, wash it off with soap and water
immediately. If irritation occurs, contact a physician.
Make sure the tip of the waste ink tube is located at correct
position when reassembling the waste ink tube, or it will cause
ink leakage.
When transporting, do not remove the ink cartridges. Pack the
printer with the cartridges installed.
Use only recommended tools for disassembly, assembly or
adjustment of the printer. (Refer to "Table 4-1. List of Tools"
(p.54))
Be sure to tighten the screws to the specified torque.
Apply lubricants and adhesives as specified. (See Chapter 6
Specified Lubricant (p.122) for details.)
Make the specified adjustments when you disassemble the
printer. (Chapter 5 contains additional information on
adjustments.
When using compressed air products, such as air duster, for
cleaning during repair and maintenance, the use of such
products containing flammable gas is prohibited.
Be careful not to scratch or damage the coating on exterior
surface of the product during disassembly and reassembly.
Chapter 4 Disassembly/Assembly 4.1.1 Precautions (Overview) 53
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4.1.2 Tools
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.2) -
Flathead Screwdriver -
Precision Screwdriver #1 (flathead) -
Tweezers -
Long-nose pliers -
Acetate tape 1003963
2 pins (thinner than Ø2mm) -
Strong tape -
Note : All of the tools listed above are commercially available. EPSON provides the tools
listed with EPSON tool code.
4.1.3 Screws
The screws used in the printer are as shown in the table below. Make sure you always
use the correct type and number of screws. The numbers shown in the “No.” column
appear throughout this chapter to indicate the screw type more clearly.
Table 4-2. List of Screw Types
No. Description Image
1 C.B.S. 3x6
Table 4-2. List of Screw Types
No. Description Image
4 C.B.P. 3x10
5 C.B.P. 2.6x8
6 C.P. 3x4
7 C.P. 3x6
8 C.B.S.(P4) 3x6
9 C.B.P.(P2) 3x8
Table 4-3. Screw Types
Abbreviation Full Name
C.B.S Phillips Bind S-Tite
C.B.P Phillips Bind P-Tite
C.P. Phillips Pan head
C.B.S.(P4) Phillips Bind S-Tite Sems R2
2 C.B.S. 3x10
3 C.B.P. 3x8
Chapter 4 Disassembly/Assembly 4.1.2 Tools (Overview) 54
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Clip
Handle part
7mm
25mm
50mm
Special Tool
4.1.4 Making a Special Tool for CSIC Board
The CSIC board (refer to p.76) can be easily removed by using a special tool. The
method for making the tool is described below.
1. Prepare a handle part of a clip, or a similar metal wire piece.
Figure 4-1. Making Special Tool for CSIC Board (1)
2. Bend the metal wire as shown below.
Figure 4-2. Making Special Tool for CSIC Board (2)
4.1.5 Work Completion Checklist
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.
Make sure to always check the maintenance counter before disassembling the printer.
If the counter shows that some part or component has almost reached the end of its
service life, replace the part after receiving prior approval from the user.
Table 4-4. Work Completion Checklist
Classification Item Check Point Status
Printer
Unit
On-line Test On-line Test Is the operation normal? OK / NG
Adjustment Specified
Lubrication Specified
Function Firmware
Self-test Is the operation normal? OK / NG
On-line Test Is the printing attempt successful? OK / NG
Printhead
(print a nozzle
check pattern)
Carriage
Mechanism
Paper Feeding
Mechanism
Adjustments
Lubrication
Version
Is ink discharged normally from all the
nozzles? OK / NG
Does the carriage move smoothly? OK / NG
Is there any abnormal noise during its
operation?
Is paper advanced smoothly? OK / NG
No paper jamming? OK / NG
No paper skew? OK / NG
No multiple-sheet feeding? OK / NG
No abnormal noise? OK / NG
Is the paper path free of obstructions? OK / NG
Are all the adjustments correctly
completed?
Has lubrication been applied at the
specified points?
Is the amount of lubrication correct? OK / NG
Version:
OK / NG
OK / NG
OK / NG
OK / NG
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40mm
Step1
Step2
Folded end
Table 4-4. Work Completion Checklist
Classification Item Check Point Status
Packing Ink
Cartridge
Waste Ink Pads Is the remaining capacity of the waste
Carriage position Is the carriage located at the position
Protection (strong
tape, vinyl sheet)
Are the ink cartridges installed
correctly?
ink pads enough?
where the Printhead is covered with the
cap?
Have the specified parts been secured
with the strong tapes to prevent
damage during transportation?
“ Protection for transportation ”
See
OK / NG
OK / NG
OK / NG
OK / NG
(p.56)
Others Attachments,
Accessories
Have all the relevant items been
included in/returned to the package?
OK / NG
PROTECTION FOR TRANSPORTATION
Before packing the printer to be returned to the user, attach several pieces of strong
tape and vinyl sheet to the specified points to prevent damaging the printer during
transportation.
Securing the Carriage
(tape: 180mm x 1 pc., fold one end by 5mm)
1. Attach 40mm-length portion of the tape (not folded side) to the left side of the
carriage aligning the tape’s corner with the carriage’s ribs as shown below.
2. Attach the folded side of the tape to the housing with the carriage locked at its
lock position. (First move the carriage to the lock position, then attach the tape
to the housing.)
Figure 4-3. Securing the Carriage
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35mm
35mm
40mm
Folded end
Align the edges with the sides of Paper Support Assy
Vinyl Sheet
(W280xH80)
Folded end
30mm
Folded end
40mm
When the Stacker Cover
is closed
Vinyl Sheet
(W280xH80)
Align the edges with the sides of Stacker Assy
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. Fold the vinyl sheet in half and insert the folded sheet between the Paper
Support Assy and the Printer Cover with the folded side facing the front side
of the printer, and secure the sheet with the strong tape as shown below.
2. Attach the left and right tapes to the Paper Support Assy and the side of the
housing.
Securing the Stacker Cover
(tape: 60mm x 1 pc., fold one end by 5mm)
Have a commercially available 280mm-width x 80mm-length vinyl sheet to cover the
exterior parts, and secure the sheet with strong tape.
• Fold the vinyl sheet in half, and insert the folded sheet between the Stacker Assy and
the Stacker Cover with the fold facing front side of the printer. Align the left and
right edges of the sheet with the edges of the Stacker Cover and secure the sheet with
the strong tape as shown below.
Figure 4-6. Securing the Stacker Cover
Figure 4-4. Securing the Paper Support Assy
Securing the Stacker Assy
(tape: 60mm x 1 pc., fold one end by 5mm)
Attach the strong tape to the center of the Stacker Assy as shown below.
The edge and backside of the Stacker have irregular steps. Make sure to attach the tape
along the shape.
Chapter 4 Disassembly/Assembly 4.1.5 Work Completion Checklist (Overview) 57
Figure 4-5. Securing the Stacker Assy
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[Left Side]
[Right (home) Side]
[Rear Side]
[Front Side][Front Side]
C A U T I O N
Carriage Lock
Locked
Carriage Lock
Unlocked
[Left side]
PF Roller Gear
EJ Roller Gear
Turn this gear
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”
4.1.7 Orientation Definition
Orientation descriptions used in the disassembly/reassembly procedures are as follows.
4.1.8 How to Unlock the Carriage
Unlocking the carriage is required for disassembly of some parts or components.
Carry out any of the following operations to unlock the carriage and move the
carriage to other than its home position.
Be extremely careful not to damage the EJ Roller gear. Extra care
must be taken to avoid injury from sharp metal edges.
Power the printer and turn it off forcedly by disconnecting the power cable
when the CR Unit is unlocked and moved away from the home position.
Turn the EJ Roller gear on the left side of the printer in the direction of the
arrow until the carriage is unlocked.
Chapter 4 Disassembly/Assembly 4.1.6 Required Preparation before Disassembly (Overview) 58
Figure 4-7. Orientation Definition
Figure 4-8. How to Unlock the Carriage
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4.1.9 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.
Table 4-5. Procedure Differences
Parts name Reference page
Panel Assy
Epson Stylus Photo R280/R285/R290
The figures of the Panel Assy is different.
Epson Artisan 50/Epson Stylus Photo T50/
T59/T60/P50
Epson Stylus Photo R280/R285/R290
“4.3.2 Panel Assy/ Cover Open Sensor ” (p.67)
Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50
“4.5.1 Panel Assy” (p.99)
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START
Printer Cover
(p.61)
Paper Support
Assy (p.61)
Stacker Assy /
Stacker Cover
(p.62)
Upper Housing
(p.62)
Main Board Unit
(p.64)
Removing the
Printer
Mechanism
(p.72)
Panel Assy/
Cover Open
Sensor (p.67)
Printhead
(p.75)
CR Scale
(p.77)
APG Unit
(p.78)
P/S Assy (p.71)
Waste Ink
Tray (p.80)
Waste Ink Pad
(p.80)
Left & Right Guide
Stackers / CDR
Guide Sensor (p.81)
Ink System
(p.82)
ASF Unit
(p.92)
Upper Paper
Guide (p.94)
CR Unit
(p.89)
PF Motor
(p.87)
EJ Frame Assy
(p.84)
CR Motor
(p.87)
Front Paper Guide
Assy (p.96)
CDR Tray
Sensor (p.98)
APG Sensor Assy
(p.95)
PF Encoder / PF
Scale (p.86)
C H E C K
P O I N T
The color and shape of the printer illustrated in this manual may
differ from the final product.
APG Unit
(p.78)
PF Encoder /
PF Scale (p.86)
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.
Chapter 4 Disassembly/Assembly 4.1.10 Disassembly Flowchart (Overview) 60
Flowchart 4-1. R280/R285/R290 Disassembly Flowchart
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Printer Cover
Shaft (right)
Shaft (left)
Push
Bushing of the ASF
Edge Guide
Projection
:Shaft
Paper Support Assy
Convex Portion
Hole
1
2
: Shaft
Mounting Direction
(from front side to rear side)
Paper Support Assy
4.2 Removing Exterior Parts/Components
4.2.1 Printer Cover
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.
Figure 4-9. Removing the Printer Cover
4.2.2 Paper Support Assy
Parts/Components need to be removed in advance: Nothing
Removal procedure
1. Open the Paper Support Assy.
2. Disengage the right shaft of the Paper Support Assy from the bushing of the
ASF Unit by pushing the bushing outward. Then remove the Paper Support
Assy, disengaging the left shaft preventing the Edge Guide projection from
hitting against the other parts.
Figure 4-10. Removing the Paper Support Assy
When reinstalling the Paper Support Assy, match the projection
and hole of the Edge Guide, then attach the right shaft and the left
shaft in that order. (Put the shafts at the front side in the bushing
and then push them rearward.) After reinstalling, check that the
Paper Support Assy moves smoothly.
Chapter 4 Disassembly/Assembly 4.2.1 Printer Cover (Removing Exterior Parts/Components) 61
Figure 4-11. Reinstalling the Paper Support Assy
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Stacker Assy Stacker Cover
Shaft
Shaft
Groove
Guide Pin
Guide Pin
Groove
[Rear Side]
3
4
Groove
Groove
1 2
Upper Housing
4.2.3 Stacker Assy / Stacker Cover
Parts/Components need to be removed in advance: Nothing
Removal procedure
1. Open the Stacker Cover.
2. Remove the Stacker Assy.
3. Release the Stacker Cover from the two shafts and remove the Stacker Cover.
Figure 4-12. Removing the Stacker Assy / Stacker Cover
When installing the Stacker Assy, insert the guide pins of the
Stacker Assy into the lower grooves of the Guide Stacker Assy.
(The upper grooves are used when CDR is printed.)
4.2.4 Upper Housing
Parts/Components need to be removed in advance
Printer Cover / Paper Support Assy
Removal procedure
1. Remove the four screws and remove the Upper Housing upward.
•
Screw : C.B.P. M3x10 (tightening torque: 5-7 kgf.cm)
(The numbers shown in the figure indicate the order of tightening the screws.)
(No.4)
Figure 4-13. Installing the Stacker Assy
Figure 4-14. Removing the Upper Housing
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[Rear Side]
Ribs
Front Housing
Grooves
Front Housing
Screw box of
Lower Housing
A part of Front
Housing
2. Slide the Front Housing in the direction of the arrow and remove the Front
Housing from the Upper Housing.
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.62).
Match the ribs of the Upper Housing shown in Fig.4-14 (p.62)
with the grooves of the Lower Housing.
As shown in Fig.4-16, match the A part of the Front Housing
with the screw box of the Lower Housing.
Figure 4-16. Installing Upper Housing
Chapter 4 Disassembly/Assembly 4.2.4 Upper Housing (Removing Exterior Parts/Components) 63
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CN6 CN7CN3
CN4
CN15
CN5CN8
CN17
CN13
CN10
CN11
CN16
CN14
CN12
Main Board Unit
Main Board Unit
Acetate Tape
Acetate Tape
4.3 Removing Control Boards
4.3.1 Main Board Unit
Parts/Components need to be removed in advance
Printer Cover / Paper Support Assy / Upper Housing
Removal procedure
Main Board Unit removal
1. Disconnect all connectors on the Main Board Unit.
2. Peel off the double-sided tape that secures the Panel FFC to the Holder Frame
and release the Panel FFC. (Fig.4-23 (p.67))
Figure 4-17. Connector layout of the Main Board
Table 4-6. List of Connectors and their Destinations
CN No.@ Color Destination Number of pins
CN16 FFC
CN17 White
PW Sensor / CR Encoder Sensor
Cover Open Sensor
6pin
2pin
3. Peel off the four acetate tapes that secures the following cables on the back of
the Main Board Unit.
•
Power Supply Cable
•
CR Motor Cable
•
PF Motor Cable
•
PE Motor Cable
•
APG Sensor Cable
Figure 4-18. Removing the Main Board Unit (1)
Table 4-6. List of Connectors and their Destinations
CN No.@ Color Destination Number of pins
CN3 White
CN4 White
CN5 FFC
CN6 White
CN7 Black
CN8 FFC
CN10 FFC
CN11 FFC 13pin
CN12 FFC 9pin
CN13 Black
CN14 White
CN15 FFC
Chapter 4 Disassembly/Assembly 4.3.1 Main Board Unit (Removing Control Boards) 64
P/S Assy
CDR Guide Sensor / CDR Tray Sensor
Panel Board
PE Sensor
APG Sensor
PF Encoder
Head FFC
PF Motor
CR Motor
CSIC Assy
3pin
4pin
8pin
3pin
3pin
5pin
13pin
2pin
2pin
13pin
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A D J U S T M E N T
R E Q U I R E D
Rib
3
[Left Side]
Main Board Unit
1
2
Positioning Holes
and Guide Pins
[Upper Side]
A
B
C
D
Power Supply Cable
D
Edge of Lower
Shield Plate M/B
Positions of Acetate
tape A, B, C
A
B
C
Main Board Unit
Lower Shield Plate
M/B
Sharp edge
Align the upper left end
of acetate tape D with
the edge of the Lower
Shield Plate M/B.
4. 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.)
Figure 4-19. Removing the Main Board Unit (2)
After connecting the cables, secure them with acetate tape
following the procedures below.
1. Route the Power Supply Cable closely along the Lower Shield
Plate M/B, and secure the cable with acetate tapes at the
positions A, B, and C (30 mm each) as shown in Fig.4-20.
2. Avoiding the sharp edge shown in Fig.4-20, secure the
following cables with the acetate tape D (50 mm).
•
Power Supply Cable
•
CR Motor Cable
•
PF Motor Cable
•
PE Motor Cable
•
APG Sensor Cable
Chapter 4 Disassembly/Assembly 4.3.1 Main Board Unit (Removing Control Boards) 65
Whenever the Main Board Unit is replaced, the required adjustment
must be carried out.
• Refer to "5.1.2 Required Adjustments" (p.107)
When installing the Main Board Unit, be careful of the following:
Match the positioning holes with guide pins shown in Fig.4-19.
Insert the rib of the Main Board Unit into the positioning hole
of the Cable Holder Frame as shown in Fig.4-19.
Tighten the screws in the order given in Fig.4-19.
Figure 4-20. Routing the Cables
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C A U T I O N
Screw Receiving Part
3
Upper Shield Plate
M/B
2
5
1
6
4
7
Lower Shield Plate
M/B
Screw Receiving Part
C A U T I O N
[Rear Side]
1
2
Shield Plate
M/B Sub
Upper Side: Main Board
Lower Side: Lower Shield Plate M/B
Sharp edge
Positioning Hole and
Guide Pin
Disassembling the Main Board Unit
1. Remove the Main Board Unit (p. 64).
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.
2. 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.): C.P. M3x6 (tightening torque: 4-6 kgf.cm) (No.7)
(The numbers shown in the figure indicate the order of tightening the screws.)
Be careful of the sharp edges shown in the figure below when
assembling or reassembling.
3. Remove the two screws and remove the Shield Plate M/B Sub.
• Screw (2 pcs.): C.B.S. M3x6 (tightening torque: 4-6 kgf.cm) (No.1)
(The numbers shown in the figure indicate the order of tightening the screws.)
4. Remove the screw and remove the Main Board Unit.
• Screw C.B.S. M3x10 (tightening torque: 4-6 kgf.cm) (No.2)
Figure 4-21. Removing the Upper Shield Plate M/B
Chapter 4 Disassembly/Assembly 4.3.1 Main Board Unit (Removing Control Boards) 66
Figure 4-22. Removing the Main Board
When installing the Main Board, match the positioning hole
with the guide pin shown in Fig.4-22.
Tighten the screws in the order given in Fig.4-21 (p.66),
Fig.4-22.
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C H E C K
P O I N T
CN4CN17
CN5
Cover Open Sensor and
CDR Sensor Cable
Hooks and Acetate Tape A, B
Double sided Tape
Main Board
Cable Holder
Frame
Panel FFC
Acetate Tape C
C A U T I O N
Open Sensor Holder
Lower Housing
Tab
[Front side]
Disengage
direction
Panel Assy
1
2
4.3.2 Panel Assy/ Cover Open Sensor
The disassembly/reassembly procedures for Epson Artisan 50/
Epson Stylus Photo T50/T59/T60/P50 differ from those of Epson
Stylus Photo R280/R285/R290, see “ 4.5.1 Panel Assy ” ( p.99) for
the procedures.
Parts/Components need to be removed in advance
Printer Cover / Paper Support Assy / Housing Upper
Removal procedure
Panel Assy removal
1. Peel off the acetate tape C.
2. Disconnect the Panel FFC from the connector (CN5) on the Main Board and
peel the Panel FFC off the Cable Holder Frame.
3. Disconnect the CDR Sensor Cable and Cover Open Sensor Cable from the
connectors (CN4, CN17) on the Main Board.
4. Release the CDR Sensor Cable and Cover Open Sensor Cable from the two
hooks of the Cable Holder Frame.
5. Peel off the acetate tape A, B to separate the CDR Sensor Cable from the
Cover Open Sensor Cable.
When removing the screw (2) shown in Fig.4-24, be careful not to
damage the Cover Open Sensor Cable and CDR Sensor Cable.
6. Remove the two screws.
• Screw (3 pcs.): C.B.P. M3x6 (tightening torque: 5-7 kgf.cm) (No.1)
• Screw (3 pcs.): C.B.P. M3x10 (tightening torque: 5-7 kgf.cm) (No.4)
7. From the bottom of the Printer, insert a flathead screwdriver into the hole to
disengage the tab, and remove the Panel Assy.
Chapter 4 Disassembly/Assembly 4.3.2 Panel Assy/ Cover Open Sensor (Removing Control Boards) 67
Figure 4-23. Removing the Panel Assy (1)
Figure 4-24. Removing the Panel Assy (2)
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Upper Side : CDR Sensor Cable
Lower Side : Cover Open Sensor Cable
Hook
A
B
C
Ref. Line
Do not route the
Panel FFC over
the screw of the
Cable Holder
Frame.
Align the lower left end of the
acetate tape C with the edge of
the Cable Holder Frame.
Fold the Panel FFC along the
corner of the Upper Shield
Plate M/B.
Panel FFC
Cover Open Sensor Cable
CDR Sensor Cable
Ribs
Lower Housing
Open Sensor Holder
Positioning Hole
and Guide Pin
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. Tie the two cables together using two pieces of acetate tape
(20 mm each) so that the two tape positions come to the two
hooks of the Cable Holder Frame respectively. The cables
orientation must be as follows;
CDR cable: faces its black side upward
Cover Open Sensor cable: faces its gray side upward
4. Route the cables through the two hooks of the Cable Holder
Frame aligning the center of the tapes with the hooks.
As shown in Fig.4-26, route the CDR Sensor Cable and Cover
Open Sensor Cable through the gap between the two ribs of
the Open Sensor Holder.
Figure 4-26. Installing the Panel Assy (1)
As shown in Fig.4-24 (p.67) and Fig.4-27, match the
positioning holes of the Open Sensor Holder with the guide
pins of the Lower Housing, and secure the Open Sensor Holder
with the tab.
Chapter 4 Disassembly/Assembly 4.3.2 Panel Assy/ Cover Open Sensor (Removing Control Boards) 68
Figure 4-25. Routing the Cables
Figure 4-27. Installing the Panel Assy (2)
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[Rear Side]
Hook of the Panel
Shield Plate
Groove
Panel Unit
Open Sensor Holder
[Rear side]
Panel Shield Plate
Double-sided Tape
Reference Line
CN1
Panel FFC
Panel Unit
Panel Board
Hook
Positioning Hole
and Guide Pin
[Back Side]
Housing Panel B
Hook
[Back Side]
Guide Pins
Housing Panel B
Paper Button
Ink Button
PS Button
Lens
Panel Board / Buttons Removal
1. Remove the Panel Assy. (p.67)
2. Remove the screw of the Panel Unit.
• Screw : C.B.P. M3x10 (tightening torque: 3-5 kgf.cm) (No.4)
3. Slide the Panel Unit in the upper right direction and remove it.
Figure 4-28. Removing the Panel Board / Buttons (1)
4. Disconnect the connector (CN1) on the Panel Board, peel the Panel FFC off
the back of the Panel Shield Plate, and remove the Panel FFC.
5. Remove the two screws and remove the Panel Shield Plate from the Panel
Unit.
• Screw : C.B.P. M3x10 (tightening torque: 3-5 kgf.cm) (No.4)
6. Disengage the hook on the back of the Panel Board and remove the Panel
Board.
Figure 4-30. Removing the Panel Board / Buttons (3)
7. Release the liens from the guide pins of the Housing Panel B and remove the
sense from the Housing Panel B.
8. Disengage the nine hooks and remove the PS button, Ink button and Paper
button.
Chapter 4 Disassembly/Assembly 4.3.2 Panel Assy/ Cover Open Sensor (Removing Control Boards) 69
Figure 4-29. Removing the Panel Board / Buttons (2)
Figure 4-31. Removing the Panel Board / Buttons (4)
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[Upper Side]
Guide Pin and Positioning Hole
Hook and Positioning Hole
Groove
Open Sensor Holder
Panel Shield Plate
Hook
Rib
[Back Side]
Open Sensor Holder
Connector
Cover Open Sensor
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.
Figure 4-32. Installing the Panel Unit
Cover Open Sensor Removal
1. Remove the Panel Assy. (p.67)
2. From the back of the Open Sensor Holder, disengage the hook of the Cover
Open Sensor, and remove the Cover Open Sensor pulling its rib out of the
hole by rotating the sensor in the direction of the arrow.
3. Disconnect the connector from the Cover Open Sensor to remove the Cover
Open Sensor.
Figure 4-33. Removing the Cover Open Sensor
When installing the Cover Open Sensor, insert the rib shown in
Fig.4-33 into the hole of the Open Sensor Holder, and secure the
Cover Open Sensor with the hook.
Chapter 4 Disassembly/Assembly 4.3.2 Panel Assy/ Cover Open Sensor (Removing Control Boards) 70
Attach the Panel FFC with double-sided tape along with the
reference line shown in Fig.4-29 (p.69).
When installing the Panel Board, match the guide pin with the
positioning hole shown in Fig.4-30.
Install the PS button, Ink button and Paper button as shown in
Fig.4-31.
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A D J U S T M E N T
R E Q U I R E D
Lower Housing P/S Assy
Acetate Tape
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. Peel off the acetate tape and remove the ferrite core from the groove of the
Lower Housing.
2. 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.4)
Figure 4-34. Removing the P/S Assy
When installing the P/S Assy, put the ferrite core into the groove of
the Lower Housing and secure it with acetate tape as shown in
Fig.4-34.
Whenever the P/S Assy is replaced, the required adjustment must be
carried out.
• Refer to "5.1.2 Required Adjustments" (p.107)
Chapter 4 Disassembly/Assembly 4.3.3 P/S Assy (Removing Control Boards) 71
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C A U T I O N
Sharp Edge
C A U T I O N
P
r
i
n
t
e
r
M
e
c
h
a
n
i
s
m
About
15°
Do not tilt more than 15
degrees, or drag it while tilting.
Ribs
Hook
Ink Tube Cover
4.4 Disassembling the Printer Mechanism
Do not touch the PF Scale with bare hands or damage it.
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
Removal procedure
Be careful of the four sharp edges shown in the figure below
when assembling or reassembling.
Printer Mechanism Handling Precaution
When lifting the printer, hold parts shown in the figure
below to prevent the frame from deforming.
1. Disengage the hook of the Ink Tube Cover using a flathead screwdriver and
If the Printer Mechanism is tilted leftward about 15°, the PF
Scale hits against the desk surface and can break. After
removing the Printer Mechanism, take extra care to protect
the PF Scale.
Figure 4-36. Printer Mechanism Handling Precaution (2)
remove the Ink Tube Cover.
Figure 4-35. Printer Mechanism Handling Precaution (1)
Figure 4-37. Removing the Ink Tube Cover
Chapter 4 Disassembly/Assembly 4.4.1 Removing the Printer Mechanism (Disassembling the Printer Mechanism) 72
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C A U T I O N
Waste Ink Tube
CR Motor Cable
Waste Ink Tube
Waste Ink Tray
Waste Ink Tube
Cover Case
CDR Guide Sensor
CDR Guide Sensor Cable
4
5
2
3
1
Positioning Hole and
Guide Pin
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.
2. Pull out the Waste Ink Tube by hand.
Figure 4-38. Removing the Waste Ink Tube
3. Release the Waste Ink Tube from the groove of the Waste Ink Tray.
4.
Release the CR Motor Cable from the two ribs of the Waste Ink Tray.
6. Disconnect the connector of the CDR Guide Sensor.
Figure 4-41. Removing the Printer Mechanism (2)
7. Remove the five screws and remove the Printer Mechanism.
Screw : C.B.P.(P2) M3x8 (tightening torque:5-7 kgf.cm) (No.9)
(The numbers shown in the figure indicate the order of tightening the screws.)
Figure 4-39. Removing the Printer Mechanism (1)
5. Remove the screw and remove the Cover Case.
Screw : C.B.P. M3x8 (tightening torque:5-7 kgf.cm) (No.3)
Chapter 4 Disassembly/Assembly 4.4.1 Removing the Printer Mechanism (Disassembling the Printer Mechanism) 73
Figure 4-40. Removing the Cover Case
Figure 4-42. Removing the Printer Mechanism (3)
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Top end of Waste Ink Tube
Waste Ink Tray
Waste Ink Tube
Tube of Waste Ink Tray
Rib
Tube of Waste Ink Tray
A D J U S T M E N T
R E Q U I R E D
Opening
Cover Case
CDR Guide Sensor Cable
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.72).
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.4-43, insert the Waste Ink Tube over the tube
of the Waste Ink Tray until the top end of the Waste Ink Tube
contacts with the rib.
Figure 4-43. Cautions of inserting the Waste Ink Tube
Match the positioning holes with guide pins (two pairs) shown
in Fig.4-42 (p.73).
Tighten the screws in the order given in Fig.4-42 (p.73).
Make sure the Waste Ink Tube or cables are not pinched
between the Printer Mechanism and the Lower Housing.
When installing the Cover Case, match the two guide pins and
their two positioning holes as shown in Fig.4-44.
Route the CDR Guide Sensor Cable through the opening as
shown in Fig.4-44.
Figure 4-44. Installing the Cover Case
Whenever the Printer Mechanism is replaced, the required
adjustments must be carried out.
• Refer to "5.1.2 Required Adjustments" (p.107)
Chapter 4 Disassembly/Assembly 4.4.1 Removing the Printer Mechanism (Disassembling the Printer Mechanism) 74
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C A U T I O N
C H E C K
P O I N T
Head FFC Cover
Hook
Removal Direction
Screwdriver
CSIC FFC
Removal Direction
Screwdriver
Hook
Head FFC Cover Inner
4.4.2 Printhead
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.
Parts/Components need to be removed in advance
Printer Cover / Paper Support Assy / Upper Housing
Removal procedure
See the section given below on how to unlock the carriage.
• “ 4.1.8 How to Unlock the Carriage”
1. Move the CR Unit to the center, open the Cartridge Cover and remove all Ink
Cartridges.
2. While disengaging the hook of the Head FFC Cover with a flathead
screwdriver, slide the Head FFC Cover downward and remove it.
3. Disconnect the CSIC FFC from the connector ( ) on the CSIC Board.
Figure 4-46. Removing the CSIC FFC
4. While disengaging the hook of the Head FFC Cover Inner with a flathead
screwdriver, slide the Head FFC Cover Inner upward and remove it.
Figure 4-47. Removing the Head FFC Cover Inner
Chapter 4 Disassembly/Assembly 4.4.2 Printhead (Disassembling the Printer Mechanism) 75
Figure 4-45. Removing the Head FFC Cover
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Hook A
[Back Side]
CSIC Assy
Special Tool
Hook B
[Back Side]
CSIC Assy
Hook B
Hook A
Removal Direction
Special
Tool
Back Side of CSIC Assy
C A U T I O N
Printhead
Nozzle surface
Head Cover
Printhead
1
2
3
5. Using the special tool (see p.55) disengage the hook A of the CSIC Assy on
the left back of the Carriage Unit.
Figure 4-48. Removing the CSIC Assy (1)
6. Using the special tool (see p.55) disengage the hook B of the CSIC Assy on
the right back of the Carriage Unit.
7. Slide the CSIC Assy upward and remove the CSIC Board.
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.
Figure 4-50. Handling of the Printhead
8. Remove the three screws and remove the Printhead.
• Screw : C.B.P. M2.6x8 (tightening torque: 3-5 kgf.cm) (No.5)
(The numbers shown in the figure indicate the order of tightening the screws.)
Figure 4-49. Removing the CSIC Assy (2)
Figure 4-51. Removing the Printhead (1)
Chapter 4 Disassembly/Assembly 4.4.2 Printhead (Disassembling the Printer Mechanism) 76
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A D J U S T M E N T
R E Q U I R E D
Connectors
Printhead
Head FFC
C A U T I O N
C H E C K
P O I N T
CR Scale
Turn 90°
Extension Spring
Slit
Hook
9. Remove the two Head FFCs from the connectors on the back, and remove the
Printhead.
Figure 4-52. Removing the Printhead (2)
Tighten the screws in the order given in Fig.4-51.
4.4.3 CR Scale
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.
Parts/Components need to be removed in advance
Printer Cover / Paper Support Assy / Upper Housing
Removal procedure
See the section given below on how to unlock the carriage.
• “ 4.1.8 How to Unlock the Carriage”
1. Unlock the carriage and move the CR Unit to the center.
2. Remove the Torsion Spring from the hook ( ) on the left side of the Main
Frame.
3. Remove the CR Scale from the hook ( ) on the right side of the Main
Frame.
4. Pull out the CR Scale from the slit of the CR Unit.
5. Turn the CR Scale 90 degrees in the direction of the arrow, and remove the
CR Scale from the hook.
Whenever the Printhead is removed/replaced, the required
adjustments must be carried out.
• Refer to "5.1.2 Required Adjustments" (p.107)
Chapter 4 Disassembly/Assembly 4.4.3 CR Scale (Disassembling the Printer Mechanism) 77
Figure 4-53. Removing the CR Scale
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Cut-corner
Hitch from the back side
Hook
1
2
APG Unit
Combination Gear (10,15.2)
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.
Figure 4-54. Reinstalling the CR Scale
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.cm) (No.1)
(The numbers shown in the figure indicate the order of tightening the screws.)
Figure 4-55. Removing the APG Unit
Chapter 4 Disassembly/Assembly 4.4.4 APG Unit (Disassembling the Printer Mechanism) 78
2. Remove the Combination Gear (10, 15.2).
Figure 4-56. Removing the Combination Gear (10, 15.2)
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Pin (1)
Positioning Hole
Right PG Cam
Spur Gear 28.8
APG Unit
Pin
Front: Positioning Hole of Spur Gear 28.8
Back: Positioning Hole of APG Unit
APG Unit
Pin
Main Frame
Lubrication is required. See the page given below for the
lubrication information.
Lubrication of APG Unit (p.125)
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.
Figure 4-57. Reinstalling the APG Unit (1)
2. Put the pin through the positioning holes of the Spur gear
28.8 and the APG Unit.
3. Install the APG Unit to the Main Frame.
Figure 4-59. Reinstalling the APG Unit (3)
4. Check that the hooks ( ) are attached to the positioning
holes of the Main Frame, then screw the APG Unit.
Figure 4-58. Reinstalling the APG Unit (2)
Figure 4-60. Reinstalling the APG Unit (4)
Tighten the screws in the order given in Fig.4-55 (p.78).
Chapter 4 Disassembly/Assembly 4.4.4 APG Unit (Disassembling the Printer Mechanism) 79
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C A U T I O N
A D J U S T M E N T
R E Q U I R E D
Waste Ink Tray
Hook
C A U T I O N
Waste Ink Pad
Sharp edge
Slit
Tab
4.4.5 Waste Ink Tray
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
When removing the Waste Ink Tray, take extra care not to spill
ink and contaminate the printer and surroundings.
1. Remove the two screws, disengage the hook, and remove the Waste Ink Tray.
• Screw : C.B.P. M3x10 (tightening torque: 5-7 kgf.cm) (No.4)
4.4.6 Waste Ink Pad
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
When removing the Waste Ink Pad, take extra care not to
contaminate the printer and surroundings with ink.
Be careful of the seven sharp edges shown in Fig.4-62 when
disassembling or reassembling.
1. Remove the three Waste Ink Pads from the trays.
Figure 4-62. Removing the Waste Ink Pad
Insert the Waste Ink Pads into the trays inserting the slits of the
pads over the tabs on the trays. Make sure to push the pads as
far as they will go (until their top surface locate lower than the top
surface of the tray edges).
Figure 4-61. Removing the Waste Ink Tray
Whenever the Waste Ink Tray is replaced, the required
adjustments must be carried out.
Chapter 4 Disassembly/Assembly 4.4.5 Waste Ink Tray (Disassembling the Printer Mechanism) 80
• Refer to "5.1.2 Required Adjustments" (p.107)
Figure 4-63. Installing the Waste Ink Pad
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A D J U S T M E N T
R E Q U I R E D
C A U T I O N
Left Guide Stacker
Left Guide Stacker
Right Guide Stacker
Sharp edge
Whenever the Waste Ink Pad is replaced, the required
adjustments must be carried out.
• Refer to "5.1.2 Required Adjustments" (p.107)
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
Be careful of the seven sharp edges shown in
assembling or reassembling.
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)
2. Remove the screw and remove the Right Guide Stacker.
• Screw : C.B.P. M3x8 (tightening torque: 5-7 kgf.cm) (No.3)
Fig.4-64
when
Chapter 4 Disassembly/Assembly 4.4.7 Left & Right Guide Stackers / CDR Guide Sensor (Disassembling the Printer Mechanism) 81
Figure 4-64. Removing the Left / Right Guide Stacker
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Right Guide
Stacker
Left Guide
Stacker
[Back Side]
Hooks
Right Guide Stacker
CDR Guide Sensor
C A U T I O N
C H E C K
P O I N T
Shaft of the
Carriage Lock
Torsion Spring
Pump Section
Pump Section
When installing the Left Guide Stacker, insert the rib indicated
with in
Fig.4-65
and match the positioning holes and guide
pins indicated with (two pairs).
When installing the Right Guide Stacker, match the
positioning holes and guide pins indicated with (two
pairs)
in Fig.4-65
.
Figure 4-65. Installing the Left / Right Guide Stacker
CDR Guide Sensor Removal
1. Disengage the two hooks on the back of the CDR Guide Sensor and remove
the CDR Guide Sensor.
4.4.8 Ink System
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.
Figure 4-67. Ink System
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
Chapter 4 Disassembly/Assembly 4.4.8 Ink System (Disassembling the Printer Mechanism) 82
Figure 4-66. Removing the CDR Guide Sensor
See the section given below on how to unlock the carriage.
• “ 4.1.8 How to Unlock the Carriage”
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2
Hole
1
Cap section
Pump
[Rear Side]
Guide Pin
Cap
1
2
Pump
1. Move the CR Unit to the center.
2. 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.)
3. Insert a screwdriver through the hole of the Main Frame and remove the screw
(2) that secures the Pump 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.)
Figure 4-68. Removing the Ink System (1)
4. Slide the Ink System to the direction of the arrow and disengage the Ink
System from the guide pin of the ASF Unit.
5. 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)).
Figure 4-70. Removing the Ink System (2)
When installing the Ink System, be careful of the following:
Lubrication is required. See the page given below for the
lubrication information.
Lubrication of Ink System (p.125)
Insert the shafts of the Ink System into the positioning holes
( ) of the Frame.
Figure 4-71. Reinstalling the Ink System (1)
Tighten the screws in the order given in Fig.4-68.
After installing the Ink System, check the Carriage Lock for
proper operation referring to the section given below.
Chapter 4 Disassembly/Assembly 4.4.8 Ink System (Disassembling the Printer Mechanism) 83
Figure 4-69. Removing the Ink System (2)
• “ 4.1.8 How to Unlock the Carriage”
Insert the positioning hole of the Ink System shown in Fig.4-69
over the guide pin of the ASF Unit.
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Double-sided TapeHead FFC
Acetate Tape Position
[Rear Side]
Hook
Cable Holder Frame
Cutout
Front Frame
Hook
[Back Side]
Cable Holder Frame
1
2
PF Encoder FFC
[Back Side]
Cable Holder Frame
PF Encoder FFC
Reference Line
Cable Holder Frame
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. Move the CR Unit to the home position side.
2. Release the Head FFC from the two hooks of the Cable Holder Frame and pull
out the Head FFC through the cutout.
3. Release the Head FFC from the three hooks of the Front Frame and peel off
the double-sided tape.
4. Disconnect the PF Encoder FFC from the PF Encoder.
5. 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.
6. 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.)
Figure 4-73. Removing the Cable Holder Frame
7. Peel off the PF Encoder FFC from the back of the Cable Holder Frame.
Chapter 4 Disassembly/Assembly 4.4.9 EJ Frame Assy (Disassembling the Printer Mechanism) 84
Figure 4-72. Removing the Head FFC
Figure 4-74. Removing the PF Encoder FFC
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Front Frame
1
Positioning hole
and Guide Pin
2
EJ Frame Assy
Removal Direction
Cable Guide
CDR Sensor Cable
Bearing
Bearing
EJ Roller Shaft
EJ Frame Assy
Shorter
Left EJ Frame Spring
Right EJ Frame Spring
Longer
[Left Side]
Opposite
to HP
[Right Side]
HP Side
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.1)
(The numbers shown in the figure indicate the order of tightening the screws.)
Figure 4-75. Removing the Front Frame
9. Release the CDR Sensor Cable from the cable guide of the EJ Frame Assy.
10. Remove the EJ Frame Assy.
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.123)
As shown in Fig.4-77, insert the two bearings of the EJ Frame
Assy over the EJ Roller Shaft.
Figure 4-77. Reinstalling the EJ Frame Assy
When installing the EJ Frame Assy, make sure that the Left/Right
EJ Frame Springs are attached as shown in
Fig.4-78
. Carefully
handle the EJ Frame Assy as the springs come off easily.
Chapter 4 Disassembly/Assembly 4.4.9 EJ Frame Assy (Disassembling the Printer Mechanism) 85
Figure 4-76. Removing the EJ Frame Assy
Figure 4-78. Reinstalling the Front Frame (1)
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A D J U S T M E N T
R E Q U I R E D
Left EJ Frame Spring
Right EJ Frame Spring
[Left Side]
Opposite
to HP
[Right Side]
HP Side
C A U T I O N
PF Scale Double-sided tape
FFC
PF Encoder
CN1
Front Paper Guide
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.
Carefully handle the EJ Frame as the springs come off easily.
Figure 4-79. Reinstalling the Front Frame (2)
When installing the Cable Holder Frame, match the two hooks
of the Cable Holder Frame with the positioning holes of the
Main Frame and Front Frame as shown in Fig.4-73 (p.84), and
tighten the screws in the order given in the figure.
When installing the Cable Holder Frame, attach the PF
Encoder FFC along with the reference line shown in Fig.4-74
(p.84).
When installing the Front Frame, match the positioning holes
of the Front Frame with the guide pins of the Main Frame (two
pairs), and tighten the screws in the order given in Fig.4-75
(p.85).
4.4.10 PF Encoder / PF Scale
Take extra care not to contaminate or scratch the PF Scale. Never
touch the scale with bare hands.
Parts/Components need to be removed in advance
Printer Cover / Paper Support Assy / Upper Housing / Main Board Unit
Removal procedure
1. Disconnect the FFC of the PF Encoder from CN1 connector.
2. Remove the screw and remove the PF Encoder.
• Screw : C.B.P. M2.6x8 (tightening torque: 3.5-4.5 kgf.cm) (No.5)
3. Peel off the double-sided tape attached to the center part, and remove the PF
Scale.
Chapter 4 Disassembly/Assembly 4.4.10 PF Encoder / PF Scale (Disassembling the Printer Mechanism) 86
Whenever the EJ Frame Assy is removed or replaced, the required
adjustments must be carried out.
• Refer to "5.1.2 Required Adjustments" (p.107)
Figure 4-80. Removing the PF Encoder/PF Scale
When installing the PF Encoder, make sure the PF Encoder fits
firmly against the Front Paper Guide.
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C A U T I O N
A D J U S T M E N T
R E Q U I R E D
PF Motor
1
2
ASF Unit
PF Motor Cable
Hook
C A U T I O N
Driven Pulley Assy
Extension Spring
[Rear Side]
[Rear Side]
Driven Pulley Assy
Pinion GearTiming Belt
4.4.11 PF Motor
Be careful not to damage the Pinion Gear of the PF Motor.
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 / PF Encoder / PF Scale
Removal procedure
1. Release the PF Motor Cable from the hook of the ASF Unit.
2. Remove the two screws that secure the PF Motor.
• Screw : C.P. M3x6 (tightening torque: 3-5 kgf.cm) (No.7)
(The numbers shown in the figure indicate the order of tightening the screws.)
3. Slide the PF Motor to pull it out through the cutout and remove the 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 /
Cover Open Sensor / Printer Mechanism
Removal procedure
1. Remove the Extension Spring of the Driven Pulley Assy from the rear side.
Figure 4-82. Removing the Extension Spring
Take extra care not to contaminate the Timing Belt with grease.
The belt deteriorates faster if grease adheres to it.
Chapter 4 Disassembly/Assembly 4.4.11 PF Motor (Disassembling the Printer Mechanism) 87
Figure 4-81. Removing the PF Motor
Whenever the PF Motor is replaced, the required adjustments
must be carried out.
• Refer to "5.1.2 Required Adjustments" (p.107)
2. Remove the Driven Pulley Assy and remove the Timing Belt from the Pinion
Gear of the CR Motor.
Figure 4-83. Removing the CR Motor (1)
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Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C
C A U T I O N
: Hook
CR Motor
CR Motor Cable
[Rear Side]
1
2
CR Motor
: Hook
PE Sensor
1
0
0
m
m
(
b
e
t
w
e
e
n
b
o
t
h
e
n
d
s
o
f
a
c
e
t
a
t
e
t
a
p
e
s
)
6
0
m
m
(
b
e
t
w
e
e
n
b
o
t
h
e
n
d
s
o
f
a
c
e
t
a
t
e
t
a
p
e
s
)
P
E
S
e
n
s
o
r
C
a
b
l
e
4
0
m
m
(
f
r
o
m
c
o
n
n
e
c
t
o
r
t
o
e
n
d
o
f
a
c
e
t
a
t
e
t
a
p
e
)
2
3
Convex
Portion of
Main
Frame
A
CR Motor
B1
When assembling or disassembling the CR Motor, be careful of the
three sharp hooks of the Main Frame shown in Fig.4-84.
3. Release the connector cables from the three hooks, then peel off the three
acetate tapes to release the CR Motor cable.
Figure 4-84. Removing the CR Motor (2)
4. Insert a Phillips screwdriver (with a shaft of 13cm or longer is recommended)
through the hole of the Front Frame, remove the two screws, and remove the
CR Motor.
• Screw : C.P. M3x4 (tightening torque: 3-5 kgf.cm) (No.6)
(The numbers shown in the figure indicate the order of tightening the screws.)
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. Route the center of the acetate tape A behind the convex
portion of the Main Frame, and secure the tied cables with
the hook (1) at the center of the acetate tape B so that the
CR Motor Cable faces toward you.
4. Wrap the CR Motor Cable and PE Sensor Cable with
acetate tapes (20 mm) at the positions of the hooks (2) (3),
then secure the center of the acetate tapes with Hooks (2)
(3).
Figure 4-86. Routing the Cable
Figure 4-85. Removing the CR Motor (3)
Chapter 4 Disassembly/Assembly 4.4.12 CR Motor (Disassembling the Printer Mechanism) 88
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A D J U S T M E N T
R E Q U I R E D
C A U T I O N
Spring (1)
Parallelism Bushing L
Slit
[Left Side]
Lubrication is required. See the page given below for the
lubrication information.
Lubrication of Driven Pulley (p.122)
When installing the CR Motor, install it so that the print side
faces upwards.
Figure 4-87. Reinstalling the CR Motor
Whenever the CR Motor is replaced, the required adjustments
must be carried out.
• Refer to "5.1.2 Required Adjustments" (p.107)
4.4.13 CR Unit
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 / APG Unit
Removal procedure
Before turning the Parallelism Bushing L, mark the scale position
of the Parallelism Bushing with a marker. And taking extra care
not to damage the Gear with the rib, pull it toward the front.
Remove the Cable Holder Frame and Front Frame.
1.
2. Disengage the upper end of the Spring (1) from the slit, and remove the
Spring (1).
3.
Loosen the screw ( ), and turn the Parallelism Bushing L clockwise to the
maximum.
(p.84)
Chapter 4 Disassembly/Assembly 4.4.13 CR Unit (Disassembling the Printer Mechanism) 89
Figure 4-88. Removing the CR Unit (1)
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C A U T I O N
CR Shaft
Washer
Right PG Cam
Spring (2)
Removal Direction
Hook
[Right Side]
2
CR Shaft
CR Unit
1
Bushing
Bushing
CR Shaft
CR Unit
Timing Belt
CR Unit
CR Unit
Head FFC
CR Unit
4. 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).
5. 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.
Figure 4-89. Removing the CR unit (2)
If the Print Head has not been removed, be extremely careful not
to touch the nozzle surface of the Print Head.
7. Remove the CR Shaft from the CR Unit.
Figure 4-91. Removing the CR Unit (4)
8. Remove the Timing Belt from the CR Unit.
Figure 4-92. Removing the CR Unit (5)
9. Disconnect the FFC from the CR Encoder connector, pull out the FFC from
6. Hold the CR Unit from the bottom and lift up the CR Shaft, release from the
the slit of the CR Unit, and remove the Head FFC.
bushing in the (1) (2) order, and remove the CR Unit with the Shaft from the
Main Frame.
Chapter 4 Disassembly/Assembly 4.4.13 CR Unit (Disassembling the Printer Mechanism) 90
Figure 4-90. Removing the CR Unit (3)
Figure 4-93. Removing the CR Unit (6)
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A D J U S T M E N T
R E Q U I R E D
Lumpy side
(Inner side)
Flat side
(Outer side)
Up
Lumpy on both inner/
outer side
CR Unit
Guide Part
C H E C K
P O I N T
: cut position
Convex
portion
Hook
Cartridge Cover
: Guide Pin
Right side view
of the hinge
Hook
[Right rear of the CR Unit]
Hinge, Cover Cartridge
Cut convex portion
of the hinge
Lubrication is required. See the page given below for the
lubrication information.
Lubrication of CR Unit (p.124)
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. 79))
When attaching the spring (2) and the washer for the Right PG
Cam to the CR Shaft, make sure to attach them to the
positioning slits on the CR Shaft. (See Fig.4-89 (p.90))
When installing the Timing Belt, make sure that it is not
twisted and the lumpy side comes to the inner side.
Figure 4-94. Reinstalling the Timing Belt
When installing the CR Unit, hook the Guide part to the Main
Frame.
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. Remove the Cartridge Cover pulling out its two guide pins.
Figure 4-96. Removing the Cartridge Cover
Chapter 4 Disassembly/Assembly 4.4.13 CR Unit (Disassembling the Printer Mechanism) 91
Figure 4-95. Reinstalling the CR Unit
Whenever the CR Unit is removed or replaced, the required
adjustments must be carried out.
• Refer to "5.1.2 Required Adjustments" (p.107)
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C A U T I O N
LD Roller Guide
Removal Direction
Hook
HookTab
Torsion Spring
LD Roller Guide
ASF Unit
Hook
1
2
ASF Unit
[Rear Side]
4.4.14 ASF Unit
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 / Ink System
Removal procedure
Removing the LD Roller Guide
1. Move the CR Unit to the left (the opposite side to the home position).
2. Remove the screw that secures the LD Roller Guide.
• Screw : C.B.S. (P4), M3x6 (tightening torque: 7-9 kgf.cm) (No.8)
When performing the following steps, be careful not to damage the
hooks of the LD Roller Guide.
3. Push the tabs on the right and the left, slide the LD Roller Guide upward to
remove it disengaging the five hooks.
4. Remove the Torsion Spring 137.7 from the LD Roller Guide.
Figure 4-98. Removing the LD Roller Guide (2)
Removing the ASF Unit
1. Release the following cables from the ASF Unit.
• CR Motor Cable
• PF Motor Cable
• PE Motor Cable
Figure 4-99. Releasing the Cables
Chapter 4 Disassembly/Assembly 4.4.14 ASF Unit (Disassembling the Printer Mechanism) 92
Figure 4-97. Removing the LD Roller Guide (1)
2. Remove the two screws on the rear side.
• Screw : C.B.S.(P4), M3x6
(tightening torque: (1) 7-9 kgf.cm, (2) 9-11 kgf.cm) (No.8)
(The numbers shown in the figure indicate the order of tightening the screws.
Figure 4-100. Disengaging the Hooks (ASF Unit)
3. Disengage the two hooks (1) (2) that secure the ASF Unit from the Main
Frame.
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Change Lever
Hook (2)
Hook (1)
Combination
Gear
ASF Unit
Removal Direction
[Rear Side]
A D J U S T M E N T
R E Q U I R E D
ASF Unit
Align the arrows
Blade
LD Roller Shaft
LD Roller
4. 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.
Lubrication of ASF Unit (p.126)
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.92).
Install the LD Roller following the procedure below. Make
sure to apply grease referring to the page given below.
Lubrication of the ASF Unit (p.126)
1. Install the LD Roller aligning the arrow on the LD Roller with
the arrow on the blade of the shaft. Make sure the LD Roller is
securely attached without gap or misalignment.
Chapter 4 Disassembly/Assembly 4.4.14 ASF Unit (Disassembling the Printer Mechanism) 93
Figure 4-101. Removing the ASF Unit
Figure 4-102. Reinstalling the LD Roller
Whenever the ASF Unit is removed or replaced, the required
adjustments must be carried out.
• Refer to "5.1.2 Required Adjustments" (p.107)
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Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C
C A U T I O N
Spring
Hook
[Rear Side]
C H E C K
P O I N T
Upper Paper Guide
Removal Direction
Press
Tip
PE Sensor Lever
Do not touch with bare hands.
Main Frame
Spring
Hook
4.4.15 Upper Paper Guide
Be sure to follow the procedure below to remove the Upper
Paper Guide to avoid damaging the PE Sensor Lever.
It is recommended to place a transparent sheet between the
Upper and Front Paper Guides to avoid scratching the roller.
Do not touch the roller surface with bare hands as it can
adversely affect the print quality.
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 / Ink System / ASF Unit
Removal procedure
1. Remove the three springs from the rear side, disengage the three hooks and
2.
remove the Upper Paper Guide from the Main Frame.
Figure 4-103. Removing the Upper Paper Guide (1)
Remove the Upper paper Guide pressing part to lower the tip of the PE
Sensor Lever.
Figure 4-104. Removing the Upper Paper Guide
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.
When installing the three springs, secure the ends of the springs on
the hooks of the Main Frame as shown in Fig.4-105.
Figure 4-105. Installing the Springs
Chapter 4 Disassembly/Assembly 4.4.15 Upper Paper Guide (Disassembling the Printer Mechanism) 94
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A D J U S T M E N T
R E Q U I R E D
APG Sensor Assy
:Hook
Whenever the Front Paper Guide Assy is removed or replaced, the
required adjustments must be carried out.
• Refer to "5.1.2 Required Adjustments" (p.107)
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. Disengage the two hooks and remove the APG Sensor Assy.
Figure 4-106. Removing the APG Sensor
Chapter 4 Disassembly/Assembly 4.4.16 APG Sensor Assy (Disassembling the Printer Mechanism) 95
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C A U T I O N
Parallelism Bushing L
Front Paper Guide Assy
[Rear Side]
Positioning Hole and Guide Pin
PE Sensor Cable
Connector
Front Paper Guide Assy
Front Paper Guide Assy EJ Ground Spring
4.4.17 Front Paper Guide Assy
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.
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 / Ink System / CR Motor / PF Encoder / PF
Scale / PF Motor / EJ Frame Assy / APG Unit / CR Unit / ASF Unit / Upper Paper
Guide
Removal procedure
1. Remove the screw and remove the Parallelism Bushing L.
• Screw : C.B.S.(P2) M3x8 (tightening torque: 6-8 kgf.cm) (No.9)
2. Disconnect the connector of the PE Sensor Cable on the rear side of the
printer.
3. Remove the screw that secures the Front Paper Guide Assy.
• Screw : C.B.S. M3x6 (tightening torque: 7-9 kgf.cm) (No.1)
Figure 4-108. Removing the PE Sensor Cable
4. Pull out the EJ Ground Spring to the front side.
Figure 4-107. Removing the Parallelism Bushing L
Chapter 4 Disassembly/Assembly 4.4.17 Front Paper Guide Assy (Disassembling the Printer Mechanism) 96
Figure 4-109. Removing the EJ Ground Spring
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1
2
Removal Direction
Front Paper Guide Assy
Cutout
2
[Left Front Bottom Side]
Pull out the cable
from here
CDR Tray Sensor Cable
1
2
Contacts with PF Roller Shaft
Long foot of EJ Ground Spring
Contacts with Main Frame
4
3
Contacts with EJ Roller shaft
4
Hole
Gap
1
5. 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.
(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.
When installing the Front Paper Guide Assy, pull out the CDR
Tray Sensor cable as shown below.
Figure 4-111. Routing the CDR Tray Sensor Cable
Attach the long foot of the EJ Ground Spring as follows; (1)
put it through the gap under the portion contacts with the EJ
Roller, (2) let it contact with the Main Frame, (3) let it contact
with the PF Roller shaft, (4) put it through the hole on the
frame. When finished, make sure the spring properly contacts
with (1), (2), (3), and (4) points.
Chapter 4 Disassembly/Assembly 4.4.17 Front Paper Guide Assy (Disassembling the Printer Mechanism) 97
Figure 4-110. Removing the Front Paper Guide Assy
Lubrication is required. See the page given below for the
lubrication information.
Lubrication of Front Paper Guide Assy (p.123)
Figure 4-112. Attaching the EJ Ground Spring
Be careful not to deform the EJ Ground Spring.
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Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C
A D J U S T M E N T
R E Q U I R E D
[Bottom Side]
Tip of Front Paper
Guide Pad
Waste Ink Pad Position
Tip
Tip
C A U T I O N
90-degrees Turn
Hook
CDR Tray Sensor
Place the four tips of the Front Paper Guide Pad on the Waste
Ink Pad.
Figure 4-113. Installing Front Paper Guide Pad
When installing Parallelism Bushing L, match the positioning
hole with the guide pin shown in Fig.4-107 (p.96).
Whenever the Front Paper Guide Assy is removed or replaced, the
required adjustments must be carried out.
• Refer to "5.1.2 Required Adjustments" (p.107)
4.4.18 CDR Tray 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 / Ink System / CR Motor / PF Encoder / PF
Scale / PF Motor / EJ Frame Assy / APG Unit / CR Unit / ASF Unit / Upper Paper
Guide / Front Paper Guide Assy
Removal procedure
Always follow the steps below to remove the CDR Tray Sensor, or
one of its hooks can be broken.
1. Disengage the hook of the CDR Tray Sensor.
2. Turn the CDR Tray Sensor 90 degrees in the direction of the arrow to
disengage its another hook, and pull it out from the hole to remove it together
with the CDR Guide Sensor.
Figure 4-114. Removing the CDR Tray Sensor
Chapter 4 Disassembly/Assembly 4.4.18 CDR Tray Sensor (Disassembling the Printer Mechanism) 98
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C H E C K
P O I N T
Cover Open Sensor and
CDR Sensor Cable
Hooks and Acetate Tape A, B
Double sided Tape
Main Board
Cable Holder
Frame
Panel FFC
CN4CN17
CN5
C A U T I O N
Open Sensor Holder
Lower Housing
Tab
[Front side]
Disengage
direction
Panel Assy
1
2
4.5
Disassembly/reassembly procedures of Epson
Artisan 50/Epson Stylus Photo T50/T59/T60/P50
When removing the screw (2) shown in Fig.4-116, be careful not to
damage the Cover Open Sensor Cable and CDR Sensor Cable.
4.5.1 Panel Assy
The disassembly/reassembly procedures for Epson Stylus Photo
R280/R285/R290 differ from those of Epson Artisan 50/Epson
Stylus Photo T50/T59/T60/P50, see “4.3.2 Panel Assy/ Cover Open
Sensor” (p.67) for the procedures.
Parts/Components need to be removed in advance
Printer Cover / Paper Support Assy / Housing Upper
Removal procedure
Panel Assy removal
1. Disconnect the Panel FFC from the connector (CN5) on the Main Board and
peel the Panel FFC off the Cable Holder Frame.
2. Disconnect the CDR Sensor Cable and Cover Open Sensor Cable from the
connectors (CN4, CN17) on the Main Board.
3. Release the CDR Sensor Cable and Cover Open Sensor Cable from the two
hooks of the Cable Holder Frame.
4. Peel off the acetate tape A, B to separate the CDR Sensor Cable from the
Cover Open Sensor Cable.
5. Remove the two screws.
• Screw (3 pcs.): C.B.P. M3x6 (tightening torque: 5-7 kgf.cm) (No.1)
• Screw (3 pcs.): C.B.P. M3x10 (tightening torque: 5-7 kgf.cm) (No.4)
6. From the bottom of the Printer, insert a flathead screwdriver into the hole to
disengage the tab, and remove the Panel Assy.
Figure 4-116. Removing 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) 99
Figure 4-115. Removing the Panel Assy (1)
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Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C
Upper Side : CDR Sensor Cable
Lower Side : Cover Open Sensor Cable
Hook
A
B
Ref. Line
Do not route the
Panel FFC over
the screw of the
Cable Holder
Frame.
Fold the Panel FFC along the
corner of the Upper Shield
Plate M/B.
Panel FFC
Cover Open Sensor Cable
CDR Sensor Cable
Ribs
Lower Housing
Open Sensor Holder
Positioning Hole
and Guide Pin
When Installing the Panel Assy, be careful of the following:
Tighten the screws in the order given in Fig.4-116.
When routing the FFCs and cables, follow the procedures
below referring to Fig.4-117.
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. Tie the two cables together using two pieces of acetate tape
(20 mm each) so that the two tape positions come to the two
hooks of the Cable Holder Frame respectively. The cables
orientation must be as follows;
CDR cable: faces its black side upward
Cover Open Sensor cable: faces its gray side upward
4. Route the cables through the two hooks of the Cable Holder
Frame aligning the center of the tapes with the hooks.
As shown in Fig.4-118, route the CDR Sensor Cable and Cover
Open Sensor Cable through the gap between the two ribs of
the Open Sensor Holder.
Figure 4-118. Installing the Panel Assy (1)
As shown in Fig.4-116 (p.99) and Fig.4-119, match the
positioning holes of the Open Sensor Holder with the guide
pins of the Lower Housing, and secure the Open Sensor Holder
with the tab.
Figure 4-117. Routing the Cables
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) 100
Confidential
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