Epson WorkForce 1100, Stylus Office T1110, Stylus Office B1100, Stylus Office T1100, ME Office 1100 Service Manual

SERVICE MANUAL

Color Inkjet Printer

WorkForce 1100
Epson Stylus Office T1110
Epson Stylus Office B1100
Epson Stylus Office T1100
Epson ME Office 1100

Confidential

SEIJ09-003

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

Confidential

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

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:

• Connector Summary

• 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 7, 2009 First Release

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WorkForce 1100/Epson Stylus Office T1110/B1100/T1100/Epson ME Office 1100 Revision A

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 ............................................................................................. 16

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).............................................................. 18

1.5.1 Operation Buttons ...................................................................................... 18

1.5.2 Indicators (LEDs) ...................................................................................... 18

1.5.3 Operation Buttons & LEDs Functions ...................................................... 19

1.5.4 Errors & Remedies .................................................................................... 20

Chapter 2 Operating Principles

2.1 Overview ............................................................................................................. 22

2.2 Printer Mechanism............................................................................................... 22

2.3 Printhead Specifications ...................................................................................... 23

2.4 PG Setting............................................................................................................ 24

2.5 Motors & Sensors ................................................................................................ 25

2.6 Power-On Sequence ............................................................................................ 26

2.7 Printer Initialization............................................................................................. 28

Chapter 3 Troubleshooting

3.1 Overview ............................................................................................................. 30

3.1.1 Troubleshooting according to Error Messages .......................................... 30

3.1.2 Troubleshooting based on Observed Faults .............................................. 50

Chapter 4 Disassembly And Assembly

4.1 Overview ............................................................................................................. 62

4.1.1 Precautions ................................................................................................ 62

4.1.2 Tools .......................................................................................................... 63

4.1.3 Screws ....................................................................................................... 63

4.1.4 Work Completion Checklist ...................................................................... 64

4.1.5 Locking/Releasing the Carriage ................................................................ 65

4.1.6 Disassembly ............................................................................................... 66

4.2 Removing the Housings ...................................................................................... 67

4.2.1 Paper Support Assy ................................................................................... 67

4.2.2 Stacker Assy .............................................................................................. 67

4.2.3 Front Decoration Plate Left/Right ............................................................. 68

4.2.4 Rear Housing ............................................................................................. 68

4.2.5 Panel Unit .................................................................................................. 69

4.2.6 Decoration Plate Left/Right ....................................................................... 71

4.2.7 Upper Housing / Printer Cover .................................................................. 72

4.2.8 Upper Housing Support Assy .................................................................... 74

4.3 Removing the Boards .......................................................................................... 75

4.3.1 Board Assy (Main Board/Power Supply Board) ....................................... 75

4.4 Disassembling the Printer Mechanism................................................................ 78

4.4.1 APG Assy .................................................................................................. 78

4.4.2 CR Scale .................................................................................................... 79

4.4.3 Printhead / CSIC Assy ............................................................................... 81

4.4.4 Lower Housing / Printer Mechanism ........................................................ 86

4.4.5 Carriage Shaft / Carriage Unit ................................................................... 88

4.4.6 ASF Assy ................................................................................................... 96

4.4.7 LD Roller ................................................................................................... 99

4.4.8 Retard Roller Assy .................................................................................. 101

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WorkForce 1100/Epson Stylus Office T1110/B1100/T1100/Epson ME Office 1100 Revision A

4.4.9 Front Paper Guide Pad ............................................................................. 103

4.4.10 Waste Ink Pad / Waste Ink Tray Assy ................................................... 104

4.4.11 Foot ........................................................................................................ 105

4.4.12 Paper EJ Frame Assy ............................................................................. 106

4.4.13 Ink System Unit ..................................................................................... 107

4.4.14 Front Paper Guide / Paper EJ Roller /

Front Paper Guide Pad Tray ............................................................................. 110

4.4.15 PF Roller Shaft ...................................................................................... 115

4.4.16 Release Holder Assy .............................................................................. 117

4.4.17 Upper Paper Guide Assys ...................................................................... 118

4.5 Removing the Motors ........................................................................................ 120

4.5.1 CR Motor ................................................................................................. 120

4.5.2 PF Motor .................................................................................................. 122

4.5.3 ASF Motor ............................................................................................... 123

4.6 Removing the Sensors ....................................................................................... 124

4.6.1 CR Encoder ............................................................................................. 124

4.6.2 PF Encoder .............................................................................................. 124

4.6.3 PW Sensor ............................................................................................... 125

4.6.4 PE Sensor Holder .................................................................................... 126

4.6.5 Cover Open Sensor .................................................................................. 127

Chapter 5 Adjustment

5.1 Adjustment Items and Overview....................................................................... 129

5.1.1 Servicing Adjustment Item List ............................................................... 129

5.1.2 Required Adjustments ............................................................................. 133

5.1.3 Required Adjustment Tools ..................................................................... 135

5.2 Adjustment Using Adjustment Program ........................................................... 136

5.2.1 Head angular adjustment ......................................................................... 136

5.2.2 PW Adjustment/First Dot Position Adjustment ...................................... 137

5.2.3 Bi-D adjustment ....................................................................................... 138

5.2.4 BAND printing adjustment ...................................................................... 139

5.2.5 PF adjustment .......................................................................................... 140

5.2.6 PF band adjustment ................................................................................. 141

5.3 Adjustment without Using Adjustment Program .............................................. 141

5.3.1 PF Belt Tension Adjustment ................................................................... 141

5.3.2 PG Adjustment ........................................................................................ 143

5.3.3 PF Roller Shaft Center Support Position Adjustment ............................. 146

5.3.4 How to Adjust the PF Roller Shaft Center

Support Position ............................................................................................... 147

5.3.5 ASF Guide Roller LDs Position Adjustment .......................................... 150

Chapter 6 Maintenance

6.1 Overview ........................................................................................................... 153

6.1.1 Cleaning ................................................................................................... 153

6.1.2 Service Maintenance ............................................................................... 153

6.1.3 Lubrication .............................................................................................. 155

Chapter 7 Appendix

7.1 Connector Summary.......................................................................................... 163

7.2 Exploded Diagram / Parts List .......................................................................... 163

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7

PRODUCT DESCRIPTION

CHAPTER

1

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WorkForce 1100/Epson Stylus Office T1110/B1100/T1100/Epson ME Office 1100 Revision A

Paper Support & Stacker are Closed

Paper Support & Stacker are Opened

1.1 Features

WorkForce 1100/Epson Stylus Office T1110/B1100/T1100/Epson ME Office 1100 is
a color ink-jet printer that supports A3+ size.

The main features are;

 High speed & High quality

 Maximum print resolution: 5760 (H) x 1440 (V) dpi

 F3-3 Mach Turbo II Printhead achieves higher black&white print speed than

ever.

 Installs two black ink cartridges as standard.

 High-speed borderless printing is available.

 One USB ports for PC connection

 Control panel

Simple design with four buttons and three indicators (LED).

 Dimensions

 Dimensions: 616 mm (W) x 322 mm (D) x 214 mm (H)

(Paper support and stacker are closed. Rubber feet are included)

 Weight: 12 kg (without ink cartridges)

Product Description Features 9

Figure 1-1. External View

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WorkForce 1100/Epson Stylus Office T1110/B1100/T1100/Epson ME Office 1100 Revision A

C A U T I O N

1.2 Printing Specifications

1.2.1 Basic Specifications

Table 1-1. Printer Specifications

Item Specifications

Print method On-demand ink jet

Nozzle configuration Black: 180 nozzles x 2

Color: 59 nozzles x 3

Print direction

Print resolution Horizontal x Vertical (dpi)

Control code

Input buffer size T.B.D. Kbytes

Paper feed method Friction feed, using one ASF (Auto Sheet Feeder)

Paper path 2-way feed

Paper feed rates 170 msec. (at 25.4 mm feed) (T.B.D.)

PF interval Programmable in 0.01764 mm (1/1440 inch) steps

Bi-directional minimum distance printing, unidirectional printing

• 360 x 180 • 1440 x 720

• 360 x 360 • 720 x 1440

• 360 x 720 • 5760 x 1440

• 720 x 720

• ESC/P Raster command

• EPSON Remote command

(Cyan, Magenta, Yellow)

1.2.2 Ink Cartridge

The product numbers of the EPSON ink cartridges for this printer are shown below.

Table 1-2. Product No. of Ink Cartridges

Color EAI Latin Euro

Black

Cyan

Magenta

Yellow

T0681 (S)

T0691 (2S)

T0682 (2S)
T0692

(3S)

T0683 (2S)
T0693 (3S)

T0684 (2S)
T0694 (3S)

T1151 (S) T0711H (S) T0731H (S)

T1032 (S) T1002 (S) T1032 (S)

T1033 (S) T1003 (S) T1033 (S)

T1034 (S) T1004 (S) T1034 (S)

 Shelf life

Two years from production date (if unopened), six months after opening package.

 Storage Temperature

Table 1-3. 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

o

F to 104oF)

(-4

CISMEA/

Asia

1 month max. at 40 oC (104oF)

ECC

T1191 (S)

T1091(2S)

T1232 (S)

T1092 (2S)

T1233 (S)

T1093 (2S)

T1234 (S)

T1094 (2S)

 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.

Product Description Printing Specifications 10

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WorkForce 1100/Epson Stylus Office T1110/B1100/T1100/Epson ME Office 1100 Revision A

1.2.3 Print Mode

Media

• Plain paper

• Premium Bright White Paper
(EAI)

• Bright White Inkjet Paper
(others)

• Ultra Premium Glossy Photo
Paper (EAI)

• Ultra Glossy Photo Paper
(others)

• Premium Photo Paper Glossy
(EAI)

• Premium Glossy Photo Paper
(others)

• Photo Paper Glossy (EAI)

• Glossy Photo Paper (others)

• Premium Photo Paper Semi­Gloss (EAI)

• Premium Semigloss Photo
Paper (others)

Table 1-4. Print Mode (Color)

Print

Mode

Draft 1 360x180

Draft 2 360x180

Normal 2 360x360

Fine 360x720

Photo 2 720x720

Best Photo 2

Photo RPM 5760x1440

Fine 360x720

Photo1 720x720

Best Photo 2

Photo RPM

Fine 360x720

Photo 1 720x720

Best Photo 2

Resolution

(H x V) dpi

720x1440

720x1440

5760x1440

720x1440

Dot Size

(cps*1)

Eco

(400cps)

Eco

(400cps)

VSD1

(320cps)

VSD2

(245cps)

VSD3

(245cps)

VSD3

(245cps)

VSD3

(245cps)

VSD2

(245cps)

VSD2

(245cps)

VSD3

(245cps)

VSD3

(245cps)

VSD2

(245cps)

VSD2

(245cps)

VSD3

(245cps)

Bi-d

Micro

Weave

ON OFF

ON OFF

ON OFF

ON ON

ON ON

ON ON

ON ON

ON ON

ON ON

ON ON

ON ON

ON ON

ON ON

ON ON

Table 1-4. Print Mode (Color)

Media

• Premium Presentation Paper
Matte (EAI)

• Matte Paper - Heavyweight
(others)

• Photo Quality Inkjet Paper

• Envelope

Note : The default is indicated by boldface.

Note *1 : cps = character per second

*2

(others)

*2: Not supported in EAI.

Print

Mode

Photo 1 720x720

Best Photo 1

Normal 2 360x360

Fine 360x720

Resolution

(H x V) dpi

1440x720

Dot Size

1

(cps*

VSD2

(245cps)

VSD3

(245cps)

VSD1

(320cps)

VSD2

(245cps)

)

Bi-d

OFF OFF

OFF ON

Micro

Weave

ON ON

ON ON

Product Description Printing Specifications 11

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WorkForce 1100/Epson Stylus Office T1110/B1100/T1100/Epson ME Office 1100 Revision A

Table 1-5. Print Mode (Monochrome)

Media

• Plain paper

• Premium Bright White Paper
(EAI)

• Bright White Inkjet Paper
(others)

• Ultra Premium Glossy Photo
Paper (EAI)

• Ultra Glossy Photo Paper
(others)

• Premium Photo Paper Glossy
(EAI)

• Premium Glossy Photo Paper
(others)

• Photo Paper Glossy (EAI)

• Glossy Photo Paper (others)

• Premium Photo Paper Semi­Gloss (EAI)

• Premium Semigloss Photo
Paper (others)

Print
Mode

Draft 3 360x360

Draft 4 360x360

Normal 1 360x360

Fine 360x720

Photo 2 720x720

Best Photo 2

Photo RPM 5760x1440

Fine 360x720

Photo1 720x720

Best Photo 2

Photo RPM 5760x1440

Fine 360x720

Photo 1 720x720

Best Photo 2

Resolution

(H x V) dpi

720x1440

720x1440

720x1440

Dot Size

(cps*1)

Eco

(400cps)

Eco

(400cps)

VSD1

(320cps)

VSD2

(245cps)

VSD3

(245cps)

VSD3

(245cps)

VSD3

(245cps)

VSD2

(245cps)

VSD2

(245cps)

VSD3

(245cps)

VSD3

(245cps)

VSD2

(245cps)

VSD2

(245cps)

VSD3

(245cps)

Bi-d

Micro

Weave

ON OFF

ON OFF

ON OFF

ON ON

ON ON

ON ON

ON ON

ON ON

ON ON

ON ON

ON ON

ON ON

ON ON

ON ON

Table 1-5. Print Mode (Monochrome)

Media

• Premium Presentation Paper
Matte (EAI)

• Matte Paper - Heavyweight
(others)

• Photo Quality Inkjet Paper

• Envelope

Note : The default is indicated by boldface.

Note *1 : cps = character per second

*2

(others)

*2: Not supported in EAI.

Print
Mode

Photo 1 720x720

Best Photo 1

Normal 1 360x360

Fine 360x720

Resolution

(H x V) dpi

1440x720

Dot Size

1

(cps*

VSD2

(245cps)

VSD3

(245cps)

VSD1

(320cps)

VSD2

(245cps)

)

Bi-d

OFF OFF

OFF ON

Micro

Weave

ON ON

ON ON

Product Description Printing Specifications 12

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WorkForce 1100/Epson Stylus Office T1110/B1100/T1100/Epson ME Office 1100 Revision A

1.2.4 Supported Paper

The table below lists the paper type and sizes supported by the printer. The Supported paper type and sizes vary depending on destinations (between EAI, EUR, and Asia).

Table 1-6. Supported Paper

Paper Name Paper Size

A3+/SuperA3 329 x 483 mm

A3 297 x 420 mm Y - Y - Y -

US B 279.4 x 431.8 mm (11” x 17”) Y - - - - -

B4 257 x 364 mm Y - Y - Y -

Legal 215.9 x 355.6 mm (8.5” x 14”) Y - Y - Y -

Letter 215.9 x 279.4 mm (8.5” x 11”) Y - Y - Y -

Plain paper

A4 210 x 297 mm (8.3” x 11.7”) Y - Y - Y -

B5 182 x 257 mm (7.2” x 10.1”) - - Y - Y -

A5 148 x 210 mm (5.8” x 8.3”) - - Y - Y -

Half Letter 139.7 x 215.9 mm (5.5” x 8.5”) Y - - - - -

A6 105 x 148 mm (4.1” x 5.8”) Y - Y - Y -

User Defined 50.8 x 127- 329 x 1117.6 mm Y - Y - Y -

Premium Inkjet Plain Paper A4 210 x 297 mm (8.3” x 11.7”) 0.11 80 21 - - Y - Y -

Premium Bright White Paper Letter 215.9 x 279.4 mm (8.5” x 11”) 0.11 90 24 Y - - - - -

A3 297 x 420 mm

Bright White Inkjet Paper

A4 210 x 297 mm (8.3” x 11.7”) - - Y - Y -

Thickness Weight EAI EUR Asia

mm g/m2lb. P*1B*2P*1B*2P*1B*

Y-Y-Y-

0.08-0.11 64-90 17-24

--Y-Y-

0.13 92.5 25

2

Ultra Premium Glossy Photo Paper (EAI)
Ultra Glossy Photo Paper (others)

Letter 215.9 x 279.4 mm (8.5” x 11”)

A4 210 x 297 mm (8.3” x 11.7”) - - Y Y Y Y

8” x 10” 203.2 x 254 mm Y Y - - - -

5” x 7” 127 x 178 mm Y Y Y Y - -

”

x 6

”

4

101.6 x 152.4 mm Y Y Y Y Y Y

0.3 290 77

YY----

Product Description Printing Specifications 13

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WorkForce 1100/Epson Stylus Office T1110/B1100/T1100/Epson ME Office 1100 Revision A

Table 1-6. Supported Paper

Paper Name Paper Size

Premium Photo Paper Glossy (EAI)
Premium Glossy Photo Paper (others)

Photo Paper Glossy (EAI)
Glossy Photo Paper (others)

Thickness Weight EAI EUR Asia

mm g/m2lb. P*1B*2P*1B*2P*1B*

A3+/SuperA3 329 x 483 mm

A3 297 x 420 mm Y Y Y Y Y Y

11” x 14” 279.4 x 355.6 mm Y Y - - - -

US B 279.4 x 431.8 mm (11” x 17”) Y Y - - - -

Letter 215.9 x 279.4 mm (8.5” x 11”) Y Y - - - -

A4 210 x 297 mm (8.3” x 11.7”) Y Y Y Y Y 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

16:9 wide 102 x 181 mm (4” x 7.11”) Y Y Y Y Y Y

A3+/SuperA3 329 x 483 mm

US B 279.4 x 431.8 mm (11” x 17”) Y Y - - - -

Letter 215.9 x 279.4 mm (8.5” x 11”) Y Y - - - -

A4 210 x 297 mm (8.3” x 11.7”) Y Y Y Y Y Y

5” x 7” 127 x 178 mm - - Y Y - -

101.6 x 152.4 mm Y Y Y Y Y Y

0.27 255 68

0.25 258 68

YYYYYY

YY----

2

4” x 6” 101.6 x 152.4 mm Y Y Y Y Y Y

Premium Photo Paper Semi-gloss (EAI)

Premium Semigloss Photo Paper (others)

A3+/SuperA3 329 x 483 mm

A3 297 x 420 mm Y Y Y Y Y Y

US B 279.4 x 431.8 mm (11” x 17”) Y Y - - - -

0.27 250 66

Letter 215.9 x 279.4 mm (8.5” x 11”) Y Y - - - -

A4 210 x 297 mm (8.3” x 11.7”) - - Y Y Y Y

4” x 6” 101.6 x 152.4 mm Y Y Y Y Y Y

YYYYYY

Product Description Printing Specifications 14

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C A U T I O N

Table 1-6. Supported Paper

Paper Name Paper Size

11” x 14” 279.4 x 355.6 mm

Premium Presentation Paper Matte (EAI)
Matte Paper Heavy-weight (others)

Presentation Paper Matte (EAI)
Photo Quality Inkjet Paper/ESF (others)

Envelopes

Photo Quality Self Adheshive Sheet A4 210 x 297 mm (8.3” x 11.7”) 0.19

Note *1: “Y” in the “P” column stands for “the paper type/size is Supported”.

*2: “Y” in the “B” column stands for “Borderless printing is available”.

Letter 215.9 x 279.4 mm (8.5” x 11”) Y Y - - - -

A4 210 x 297 mm (8.3” x 11.7”) Y Y Y Y Y Y

8” x 10” 203.2 x 254 mm Y Y - - - -

A3+/SuperA3 329 x 483 mm

A3 297 x 420 mm - - Y - Y -

US B 279.4 x 431.8 mm (11” x 17”) Y - - - - -

A4 210 x 297 mm (8.3” x 11.7”) - - Y - Y -

#10 104.8 x 241.3 mm (4.125” x 9.5”)

#DL 110 x 220 mm - - Y - Y -

#C4 229 x 324 mm - - Y - Y -

#C6 114 x 162 mm - - Y - Y -

Thickness Weight EAI EUR Asia

mm g/m2lb. P*1B*2P*1B*2P*1B*

YY----

0.23 167 44

Y-Y-Y-

0.12 102 27

Y-Y-Y-

75-

-

20-27

100

167 44

Y-Y-Y-

2

 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.

Product Description Printing Specifications 15

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WorkForce 1100/Epson Stylus Office T1110/B1100/T1100/Epson ME Office 1100 Revision A

Print Area

LM

RM

TM

BM

BM

Cut Sheet (Standard)

Cut Sheet (Borderless)

Print Area

LM RM

Paper Size

TM

Paper Feed Direction

1.2.5 Printing Area

The printing area for this printer is shown below.

Table 1-7. Printing Area (Margins)

Print Mode Paper Size

Standard print Any size 3 mm 3 mm 3 mm 3 mm

Envelopes 5 mm 5 mm 5 mm 20 mm

Borderless
print

Note * : The margins for Borderless print are margins that bleed off the edges of paper.

A4/Letter to 5” x 7”/
16:9 wide

4” x 6” 2.54 mm 2.54 mm 1.34 mm 2.54 mm

Left Right Top Bottom

2.54 mm 2.54 mm 2.96 mm 4.02 mm

Margin*

1.3 Interface

This printer is equipped with the USB device port on the rear of the printer for
connecting with a host such as a computer. The following is the specifications of the
port.

 Specification:

 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

 Max. cable length: 2 [m] or less

Table 1-8. Device ID

When IEEE 1284.4 is Enabled When IEEE 1284.4 is Disabled

@EJL<SP>ID<CR><LF>
MFG:EPSON;
CMD:ESCPL2,BDC,D4,D4PX;

Model Name

MDL:
CLS:PRINTER;
DES:EPSON<SP>
CID:EpsonStd5;

;

Model Name

;

@EJL<SP>ID<CR><LF>
MFG:EPSON;
CMD:ESCPL2,BDC;

Model Name

MDL:
CLS:PRINTER;
DES:EPSON<SP>

CID:EpsonStd5;

;

Model Name

;

Product Description Interface 16

Figure 1-2. Printing Area

The “Model Name” is replaced as shown in the following table.

Destination Model Name

North America

Latin America

Euro

Asia/CISMEA

China

WorkForce 1100

Epson Stylus Office T1110

Epson Stylus Office B1100

Epson Stylus Office T1100

Epson ME OFFICE 1100

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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 1-9. 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 0.7 A (max. 1.5 A) 0.4 A (max. 0.6 A)

Rated frequency 50 to 60 Hz

Input frequency range 49.5 to 60.5 Hz

Insulation resistance AC1000Vrms (for one minute)

Energy conservation International Energy Star Program compliant

Printing Approx. 26 W Approx. 26 W
Power
consumption

Note : If the printer is not operated for more than three minutes, it goes into sleep mode within

five minutes.

Sleep mode Approx. 1.3 W Approx. 1.7 W

Standby mode (power-off) Approx. 0.2 W Approx. 0.4 W

1.4.2 Environmental Conditions

Table 1-10. Environmental Conditions

Condition Temperature

Operating

Storage*3

(unpacked)

Note *1 : The combined Temperature and Humidity conditions must be within the blue-shaded

range in Figure 1-3.

*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)

*1

4

Humidity

20

to 80%

to 85%

5

*1,2

Shock Vibration

1G

(1 msec. or less)

2G

(2 msec. or less)

0.15G,

10 to 55Hz

0.50G,

10 to 55Hz

Product Description 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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WorkForce 1100/Epson Stylus Office T1110/B1100/T1100/Epson ME Office 1100 Revision A

Power Button Ink ButtonPaper Button

Power LED Ink LEDPaper LED

Cancel Button

1.4.3 Durability

Item Durability Remark

Black

Total print life

Color

Printhead

36,000 pages, or five years
whichever comes first

18,000 pages, or five years
whichever comes first

Six billions shots (per nozzle) or
five years whichever comes first

A4, 3.5% duty (ECMA)

Plain Paper A4, ISO24712
Pattern, Default Mode print

1.4.4 Acoustic Noise

35 dB (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 (IEC60950)
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

China GB4943

Argentina IEC60950-1
Australia AS/NZS CISPR22 Class B

Hong Kong IEC60950-1

KN61000-4-2/-3/-4/-5/-6/-11

GB9254 Class B, GB17625.1

---

1.5 Operation Buttons & Indicators (LEDs)

1.5.1 Operation Buttons

The printer has the following four operation buttons.

Table 1-11. Operation Buttons

Button Function

Power Turns the power ON/OFF.

Paper Feeds or ejects paper.

Ink Runs a sequence of ink cartridge replacement or cleaning.

Cancel Cancels job during printing

1.5.2 Indicators (LEDs)

Three indicators (LEDs) are provided to indicate settings or printer status.

Table 1-12. Indicators (LEDs)

LED Function

Lights at power-on.

Power LED (green)

Paper LED (red) Lights or flashes when an paper-related error occurs.*

Ink LED (red) Lights or flashes when an ink-related error occurs.*

Note * : See Table 1-14 “Indicators (LEDs) Function” for the LED status at error occurrence.

Flashes during some sequence is in progress.
Flashes at high speed during power-OFF sequence.

Figure 1-4. Buttons & LEDs

Product Description Operation Buttons & Indicators (LEDs) 18

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Note : The numbers shown in the figure are nozzle numbers. The numbers and color names

are not printed on an actual nozzle check pattern.

360 dpi VSD1

32 dots

0.142 mm (1/180 inch)

Yellow

Magenta

Black1

Cyan

Black2

1.5.3 Operation Buttons & LEDs Functions

Detailed information on the buttons and LEDs functions are listed below.

Table 1-13. Operation Button Functions

Button

Power

Paper On

Ink On

Ink
(when held for three
seconds or longer)

Cancel On

Power + Ink
(combination)

Power + Paper
(combination)

Note * : The nozzle check pattern printed by the printer is shown in Figure 1-5.

Printer

Status

Off • Turns the power on.

On • Turns the power off.

• 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.

• Runs a sequence of ink cartridge replacement when
an ink-out error occurs. The carriage moves to set the
ink cartridge to the position for replacement.

• When the carriage has been set in the ink replacement
position, moves the carriage to the home position.

• Runs a sequence of ink cartridge replacement. The
carriage moves to set the ink cartridge to the position
for replacement.

• When an ink cartridge has been set in the ink replacement
position, moves the carriage to the home position.

• Runs a head cleaning.

On

On

At power on

• Runs a sequence of ink cartridge replacement when
ink level low, ink out, or no ink cartridge error has
occurred.

• Cancels the print job during printing.

• When the carriage has been set in the ink replacement
position, moves the carriage to the home position.

• Forcefully turns the power off.

• Prints a nozzle check pattern*
the PC.

Function

when not connected to

Figure 1-5. Nozzle Check Pattern

Product Description Operation Buttons & Indicators (LEDs) 19

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Table 1-14. Indicators (LEDs) Function

Printer Status

Power OFF

Fatal error OFF

Maintenance request OFF

Paper jam error -- Flashes --

Cover open error -- Flashes --

Multi-feed error -- ON --

No paper error -- ON --

Ink cartridge replacement is in progress Flashes -- -- 6

Ink sequence is in progress Flashes -- -- 7

CSIC error -- -- ON

No ink cartridge error or ink-out error -- -- ON

Ink level low -- -- Flashes 9

Power ON Flashes -- -- 10

Reset request*

2

Power Paper Ink

Flashes at

high speed

Indicators (LEDs)

OFF OFF 1

Flashes at

high speed

Flashes

alternately 1

ON ON ON --

Flashes at

high speed

Flashes

alternately 2

Pri-

ority*

1.5.4 Errors & Remedies

1

Error Error Remedies

Fatal error A mechanical error has occurred. Turn the power Off and back it On.

2

3

4

5

8

Maintenance
request

Paper jam

No paper

Multi-feed

Ink-out The cartridge has run out of ink.

No ink cartridge Ink cartridge(s) was not detected.

Wrong ink
cartridge

Cover open error

Note : For more information on the remedies, see “3.1.1 Troubleshooting according to

Error Messages” (p.30).

Table 1-15. Errors & Remedies

Waste ink pads need to be
replaced.

A paper jam has occurred. Remove the jammed paper and press

Failed to feed paper. Load paper correctly and press the

Multiple sheets of paper were fed
at the same time.

Incorrect ink cartridge(s) was
detected.

Printing was executed with the
Printer Cover open.

Replace the waste ink pads and reset
the counter.

the Paper button.

Paper button.

Press the Paper button to eject the
multiple sheets.

Replace the cartridge with a new one.

Replace the cartridge with a new one.

Replace the cartridge with the correct
one.

Close the Printer Cover.

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.

Note : --: No change

Flash: Repeats turning On and Off every 1.25 seconds.
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.

Product Description Operation Buttons & Indicators (LEDs) 20

Confidential

OPERATING PRINCIPLES

CHAPTER

2

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WorkForce 1100/Epson Stylus Office T1110/B1100/T1100/Epson ME Office 1100 Revision A

Rear Paper

Eject Roller

Front Paper
Eject Roller

PW Sensor

CR Scale

PF Roller

PF Encoder

Sensor

PF Scale

PF Motor

Carriage

Unit

Ink System

Unit

Pump Motor

Carriage

Shaft

APG Sensors

APG Motor

APF Sensor

Timing Belt

CR Encoder

Sensor

LD Roller

Retard

Roller

PE Sensor

ASF Motor

CR Motor

PF Roller

Cover Open

Sensor

2.1 Overview

This chapter explains the operating principles of the mechanical sections and electrical
circuits in this product. The main components of this product are as follows.

Board Name Model Number

Control circuit board CA58 MAIN

Power supply circuit board C698 PSB/PSE

Control panel board C698 PNL

Relay Board CA58 SUB-B

CR Relay Board CA58 SUB

2.2 Printer Mechanism

Like the conventional model, this product uses DC motors and stepping motors as
power sources. The following table describes the motor types and their applications.

Motor Name Type Applications/Functions

CR Motor

PF Motor

APG Motor

ASF Motor

DC motor with

brushes

DC motor with

brushes

DC motor with

brushes

4-phase, 48-pole

PM type stepping

motor

4-phase, 48-pole

Pump Motor

PM type stepping

motor

Table 2-1. Motors

Used for carriage driving. Makes little noise during
driving. The CR linear scale and CR encoder sensor
are used to control the motor.

Drives the Paper loading rollers at the time of fixed­value paper loading or paper feed/eject operation. To
grasp the paper feed pitch, the precision gear surface
is fitted with the PF scale and the PF encoder sensor
is used to control the motor.

Drives the Carriage Unit at the time of PG setting.
The two APG Sensors are driven vertically to control
the motor.

Drives the paper feed operation of the ASF. Since
this is a stepping motor, any scales or photo sensors
to know the driving conditions are not required.

Drives the pump, wiper, etc. of the Ink System. Since
this is a stepping motor, any scales or photo sensors
to know the driving conditions are not required.

The basic mechanism is almost same as the Epson Stylus Photo R1900.
The schematic diagram below shows the printer mechanism.

Figure 2-1. Printer Mechanism Outline

Operating Principles Overview 22

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2.258

(64/720inch)

C column

C#3

C#2

C#1

5.644

(160/720inch)

0.071
(1/360inch)

Carriage movement direction

Paper feed direction

C#180

C#179

C#178

B#3

B#2

B#1

B#180

B#179

B#178

A#3

A#2

A#1

A#180

A#179

A#178

B column

A column

2.3 Printhead Specifications

The Printhead of this product is a F-Mach head.
The following shows the arrangement of the nozzles and the color arrangement of each
nozzle line when viewed the Print Head from behind.

Figure 2-2. Nozzle Arrangement

Table 2-2. Nozzle Lines and the Corresponding Ink Color

Ink Line

A column: #1 to #180

Black

Yellow C column*: #1 to C#60

Magenta C column*: #61 to C#120

B column: #1 to #180

Cyan C column*: #121 to C#180

Note "*": #1,#61 and #121 nozzles of C column are used only for flushing, and are not used for

printing.

Operating Principles Printhead Specifications 23

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2.4 PG Setting

As this printer uses an Auto PG (APG), an appropriate PG position is set according to the used paper type.

The following table indicates the PG positions, the main applications of each position, and the relationships between the two sensors used with the APG.

Table 2-3.

Application

Printing • Photo paper (A4 or more) • Photo paper

Non-printing • Position for phase

PG value 1.0mm 1.2mm 1.7mm 2.1mm 4.5mm –

Sensor PG (– –) PG (–) PG (Typ) PG (+) PG (++) Release

APG Sensor 1* High High High High High High

APG Sensor 2 Low Low Low Low High High

PG (– –) PG (–) PG (Typ) PG (+) PG (++) Release

• Plain paper

(Less than A4)

• PG adjustment position • Standby position after

alignment at reassembly

• Exclusive paper

• PG (-) rub avoidance

power-on

PG Position

• Envelope

• PG (Typ) rub avoidance – –

• Initialization at power-on

–

• Cleaning (wiping)

• Ink Cartridge
replacement

• Paper jam removal

Note "*": The signal output is “Low” while the PG positions are changed.

Operating Principles PG Setting 24

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1

2

3

4

6

E

D

C

A

8

B

5

7

2.5 Motors & Sensors

 Motors

Fig. Name Specific

Type: DC Motor Drive voltage: 42 V DC ± 5%
Armature resistance: 12.2 Ω ± 10%

Type: DC Motor Drive voltage: 42 V DC ± 5%
Armature resistance: 64.7 Ω ± 15%

Type: 4-phase 48-pole PM type stepping motor Drive voltage: 42 V DC ± 5%
Winding resistance: 7.0 Ω ± 10% (per phase at 25°C)

Type: DC Motor Drive voltage: 42 V DC ± 5%
Armature resistance: 23.6 Ω ± 10%

Type: 4-phase 48-pole PM type stepping motor Drive voltage: 42 V DC ± 5%
Winding resistance: 10.3 Ω ± 10% (per phase at 25°C)

A PF Motor

B APG Motor

C ASF Motor

D CR Motor

EPump Motor

 Sensors

Fig. Name Specific

1 PF Encoder sensor Type: Rotary Encoder Drive voltage: 3.3 V DC ± 5%

2 APG Sensor (1)

3 APG Sensor (2)

4 ASF Sensor

5PE Sensor

6 CR Encoder sensor Type: Linear Encoder Drive voltage: 3.3 V DC

Table 2-4. List of Motors

Table 2-5. List of Sensors

Type: Transmissive photo interrupter Drive voltage: 3.3 V DC ± 5%
Sensor output:

• High: In the domain of each PG position

• Low: Between PG positions

Type: Transmissive photo interrupter Drive voltage: 3.3 V DC
Sensor output:

• High: In the domain of large PG

• Low: In the domain of small PG

Type: Transmissive photo interrupter Drive voltage: 3.3 V DC
Sensor output:

• High: Home position

• Low: Other than home position

Type: Transmissive photo interrupter Drive voltage: 3.3 V DC
Sensor output:

• High (2.4 V or more): No paper

• Low (0.4 V or less): Paper exists

± 5%

± 5%

± 5%

± 5%

Table 2-5. List of Sensors

Fig. Name Specific

Type: Reflective photo interrupter Drive voltage: 3.3 V DC ± 5%

7PW Sensor

Cover Open

8

Sensor

Sensor output:

• High: No paper

• Low: Paper exists

Type: Mechanical contact Drive voltage: 3.3 V DC ± 5%
Sensor output:

• High: Cover closed

• Low: Cover open

Figure 2-3. Motors and Sensors Layout

Operating Principles Motors & Sensors 25

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C H E C K

P O I N T

Digit number of CR

Carriage

PF Roller

LD Roller

The condition of the CR lock

Red: CR lock is set
White:CR lock is released
The above shows the CR lock is set.

PG position

Shows “PG Typ.” position.

The rotation direction of the ASF
Motor

Clockwise:

LD Roller rotates backward

Counterclockwise:

LD Roller rotates normally (Paper is fed)

The following shows clockwise rotation.

PG variation by APG Motor drive

PG becomes narrower (down-arrow):

Clockwise rotation

PG becomes wider (up-arrow):

Counterclockwise rotation

The following shows when PG is narrow.

The rotation direction of the PF Motor

Clockwise:

Paper is fed normally

Counterclockwise:

Paper is fed backward

The above shows clockwise rotation.

PG Typ.

PG ++

HP 0130

PG Typ.

PG ++

HP 0130

PG Typ.

PG ++

HP 0130

2.6 Power-On Sequence

This section describes the power-on sequences.

 Condition

 Completing ink charge.
 No paper on the paper path.
 The Printhead is capped with the Cap of the Ink System.
 PG position is set to PG Typ.
 The Carriage is locked by the CR lock.

The following explains how to use the simplified diagrams in Table

2-6. The diagrams show the movement of each component as seen

from the front of the printer.

HP 0130

Table 2-6. 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. APG initialization

2-1. The APG Motor rotates counterclockwise until

the PG position is set to PG++ to initialize the
APG mechanism.

3. Seeking the home position

3-1. The carriage moves to the 0-digit side slowly and

confirms it touches the Right Frame.

3-2. The carriage moves to the 130-digit side slowly

and confirms it touches the CR lock.

3-3. The carriage moves to the 0-digit side slowly and

confirms it touches the Right Frame, and the
home position is fixed.
Afterward, the carriage position is monitored
according to the signals from the CR Encoder.

4. Releasing the CR lock

4-1. The Pump motor rotates counterclockwise and

releases the CR lock.

Movement of each

component

HP 0130

HP 0130

HP 0130

HP 0130

HP 0130

PG ++

PG Typ.

PG ++

PG Typ.

PG ++

PG Typ.

PG ++

PG Typ.

PG ++

PG Typ.

Pump

Motor

---

---

---

---

---

CCW

*1

Operating Principles Power-On Sequence 26

Figure 2-4. Carriage Movement

PG ++

PG Typ.

4-2. The carriage slowly moves to the 130-digit side to

the CR lock check position.

---

4-3. The carriage slightly moves to the 130-digit side.

---

(Continue to the next page)

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PG Typ.

PG ++

HP 0130

PG Typ.

PG ++

HP 0130

PG Typ.

PG ++

HP 0130

PG Typ.

PG ++

HP 0130

PG Typ.

PG ++

HP 0130

PG Typ.

PG ++

HP 0130

PG Typ.

PG ++

HP 0130

PG Typ.

PG ++

HP 0130

PG Typ.

PG ++

HP 0130

PG Typ.

PG ++

HP 0130

PG Typ.

PG ++

HP 0130

PG Typ.

PG ++

HP 0130

Table 2-6. Operation of the power-on sequence

Operation

4-4. The Pump Motor rotates counterclockwise to set

the Wiper of the Ink System, and then the Pump
Motor rotates clockwise to retract the Wiper.

4-5. The carriage slowly returns to its home position.

5. Setting the APG to PG Typ.

5-1. The APG Motor rotates clockwise and sets to PG

Typ.

6. PF-ASF initialization

6-1. The PE Sensor detects no paper and the ASF

Sensor detects that the ASF is on its home
position, and then the PF Motor rotates clockwise
for approx. one second.

6-2. While monitoring the ASF Sensor, the ASF

Motor slowly rotates counterclockwise until the
ASF gets out of its home position.

6-3. The ASF Motor rotates clockwise and the ASF

Sensor detects that the ASF is on its home
position.

7. Low temperature operation sequence

7-1. The carriage moves back and forth between 0-

digit side and the 130-digit side for two times.

*2

Movement of each

component

HP 0130

HP 0130

HP 0130

HP 0130

PG ++

PG Typ.

PG ++

PG Typ.

PG ++

PG Typ.

PG ++

PG Typ.

Pump

Motor

CCW

→CW

---

---

---

---

---

---

Table 2-6. Operation of the power-on sequence

*1

Operation

Movement of each

component

8-2. The carriage performs a load measurement while

moving to the VH Check position, and records the
detected voltage of the PW sensor at the specified
three positions, then stops.

8-3. The carriage detects the voltage of the PW sensor

at the carriage stop position (the black area at the
Paper Guide Front).

8-4. The carriage performs a load measurement while

moving to the 0-digit side, and stops.

9. PF Motor measurement

9-1. The PF motor rotates clockwise for approx. two

seconds, and performs a load measurement.

9-2. The carriage returns to its home position.

10. Detecting ink cartridge and initializing ink

*3

system

10-1. The carriage moves to the 130-digit side to check

the ink end sensor. The ink remaining is detected
after completing the check.

10-2. The carriage slowly returns to its home position.

Pump

Motor

---

---

---

---

---

---

---

*1

8. CR Motor measurement

8-1. The carriage slowly moves to the 130-digit side.

---

11. CR lock setting

11-1. The Pump Motor rotates clockwise, and sets

the CR lock.

*3

CW

(Continue to the next page)

Operating Principles Power-On Sequence 27

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PG Typ.

PG ++

HP 0130

Table 2-6. Operation of the power-on sequence

Operation

11-2. The carriage moves to the 130-digit side slowly

and confirms it touches the CR lock.

11-3. The carriage returns to its home position.

Note "*1": The rotation directions of the Pump Motor and their corresponding functions are as

follows.
Clockwise: Cap closing/Pump suction/Wiper retracting/CR locking
Counterclockwise: Cap opening/Pump release/Wiper setting/CR unlocking

"*2": Executes when the detected temperature is under 5

Printhead.

"*3": The empty suction operation may occur depending on the situation.

Movement of each

component

HP 0130

o

C

(41oF

) by the thermistor on the

PG ++

PG Typ.

Pump

Motor

---

---

*1

2.7 Printer Initialization

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

Operating Principles Printer Initialization 28

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TROUBLESHOOTING

CHAPTER

3

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3.1 Overview

This chapter describes unit-level troubleshooting.

3.1.1 Troubleshooting according to Error Messages

After checking the printer LED and STM3 error indications, you can grasp the fault location using the check list in this section. When you find the fault location, refer to Chapter 4
“Disassembly and Reassembly” and change the corresponding part and/or unit. The following table indicates the check point reference tables corresponding to the error states (LED
and STM3).

Table 3-1. List of Error Messages

Error Status

Communication error

Model Difference

Printer cover open
error

Paper out error

Paper jam error

Multi-feed error

Power Paper Ink

LED Indications

Communication error

---

---

-Flash-

- Light -

-Flash-

- Light -

Check all connections and make sure all devices are on. If the power was
turned off during printing, cancel the print job. If the error does not clear,
see your printer documentation.

Different device from specified

Attempting to connect to a different device from that specified in the driver.
Check the driver settings and the device.

Printer cover open

Close the printer cover.

Paper out or not loaded correctly

Reload the paper, then press the Paper button on the printer or click the
[Continue] button if it appears on the screen. To cancel the print job, click
the [Cancel] button if it appears on the screen.

Paper jam

Press the Paper button on the printer or click the [Eject] button when it
appears on the screen. Remove any remaining jammed paper by hand.

Page not printed or multi-page error

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.

STM3 Message See the table for Troubleshooting

Refer to Table 3-2 “Troubleshooting of Communication
Error” (P.32)

Refer to Table 3-3 “Troubleshooting of Printer Cover
Open Error” (P.34)

Refer to Table 3-4 “Troubleshooting of Paper Out
Error” (P.35)

Refer to Table 3-5 “Troubleshooting of Paper Jam
Error” (P.37)

Refer to Table 3-6 “Troubleshooting of Multi-feed
error” (P.38)

Troubleshooting Overview 30

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Table 3-1. List of Error Messages

Error Status

Ink low

Ink-out error

No ink cartridge/
CSIC error

Maintenance request

Fatal error

Note "*": Represents the part number of the Ink Cartridge. (See “1.2.2 Ink Cartridge” (p.10))

Power Paper Ink

LED Indications

- - Flash Replace Cartridge

Black: XXXX
Color: XXXX

- - Light

- - Light

Off

Off

Flashes

alternately 1

Flashes at

high speed

Flashes

alternately 2

Flashes at

high speed

...................

Epson recommends the genuine Epson cartridges listed above. Click the
[How to] button for ink cartridge installation instructions.

Ink cartridges cannot be recognized

Black: XXXX
Color: XXXX

...................

Epson recommends the genuine Epson cartridges listed above. Click the
[How to] button for ink cartridge installation instructions.

Service required

The printer's ink pads are at the end of their service life. Please contact
Epson support.

General error

Turn the printer off and delete all print jobs. Open the printer cover and
remove any paper from inside the printer and turn the printer back on.

STM3 Message See the table for Troubleshooting

Refer to Table 3-7 “Troubleshooting of Ink Low” (P.38)

*

Refer to Table 3-9 “Troubleshooting of No Ink

*

Cartridge/CSIC Error” (P.39)

Refer to Table 3-10 “Troubleshooting of Maintenance
Request” (P.40)

Refer to Table 3-11 “Troubleshooting of Fatal Error”

(P.41)

Note : --: No change

Flash: Repeats turning On and Off every 1.25 seconds.
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.

Troubleshooting Overview 31

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Panel FFC

CN4

Panel Board

connector

Panel FFC

Blue line

1Pin side

Connector cable of the

Power Supply Board

CN60

Table 3-2. Troubleshooting of Communication Error

Occurrence

Timing

Phenomenon Detail

Faulty Part/

Part Name

Check Point Remedy

At power-on The printer does not operate at all. Panel FFC 1. Check that the Panel FFC is connected to the Panel Board

connector and Main Board connector CN4.

2. Check the Panel FFC for damages. 2. Replace the Panel FFC with a new one.

Panel Board 1. Check the Panel Board for damages. 1. Replace the Panel Board with a new one.

Power Supply
Board

1. Check that the connector cable of the Power Supply Board is
connected to the Main Board connector CN60.

1. Connect the Panel FFC to the Panel Board and
Main Board connectors.

1. Connect the connector cable of the Power
Supply Board to the Main Board connector
CN60.

Troubleshooting Overview 32

2. Check that the blue colored pin of the Power Supply Board
connector cable is inserted into the 1 Pin of the Main Board
connector CN60 as shown in the above picture.

2. Reconnect the Power Supply Board connector
cable so that the blue colored pin is inserted
into the 1 Pin.

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Fuse F1

Power Supply

Board

Table 3-2. Troubleshooting of Communication Error

Occurrence

Timing

At power-on The printer does not operate at all. Power Supply

At operation Operation at power-on is normal,

Phenomenon Detail

but the error appears when the
print job is sent to the printer.

Faulty Part/

Part Name

Board

Interface cable 1. Check that the Interface cable is connected between the PC and

USB 1. Check that the PC and printer are connected via the USB hub. 1. Configure the USB ID setting.

Printer Driver 1. Check that the printer driver for WorkForce 1100/Epson Stylus

Main Board 1. Check that a wrong model name has not been input to the

Check Point Remedy

3. Check that the Fuse F1 on the Power Supply Board has not
blown.

4. Check the components on the Power Supply Board for damage. 4. Replace the Power Supply Board with a new

printer.

2. Check the Interface cable for breaking. 2. Replace the Interface cable with a new one.

Office T1110/B1100/T1100/Epson ME Office 1100 has already
been installed.

2. Check that the connected printer is WorkForce 1100/Epson
Stylus Office T1110/B1100/T1100/Epson ME Office 1100.

EEPROM on the Main Board.

3. Replace the Power Supply Board with a new
one.

one.

1. Connect the Interface cable to the PC and
printer.

Refer to Chapter 5 “Adjustment ”.

1. Install the printer driver for WorkForce 1100/
Epson Stylus Office T1110/B1100/T1100/
Epson ME Office 1100.

2. Connect the WorkForce 1100/Epson Stylus
Office T1110/B1100/T1100/Epson ME Office
1100 printer.

1. Make the initial setting using the Adjustment
Program.
Refer to Chapter 5“Adjustment ”.

Troubleshooting Overview 33

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Connector of the Cover

Open Sensor

CN4

Panel Unit

Table 3-3. Troubleshooting of Printer Cover Open Error

Occurrence

Timing

During printing A Printer Cover Open Error is

Phenomenon Detail

indicated during printing.

Faulty Part/

Part Name

Cover Open
Sensor

Check Point Remedy

1. Check that the Printer Cover is not open. 1. Close the Printer Cover.

2. Check that the connector cable of the Cover Open Sensor is
connected to the Cover Open Sensor and connector CN4 on the
Panel Board.

3. Using a tester, check that the Cover Open Sensor is normal.

• Paper absent:0V

• Paper present:3.3V

2. Connect the connector cable of the Cover Open
Sensor to the Cover Open Sensor and
connector CN4 on the Panel Board correctly.

3. Replace the Panel Unit with a new one.

Troubleshooting Overview 34

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Cleaning sheet Postcard used

as mount

Non-adhesive part

Adhesive part

This side down

Stapling

Cloth damped

with alcohol

Table 3-4. Troubleshooting of Paper Out Error

Occurrence

Timing

Phenomenon Detail

At operation When the Paper Switch is

pressed, the LD Roller attempt to
feed paper but the paper is not
fed.

Faulty Part/

Part Name

Check Point Remedy

ASF Assy. 1. Check the LD Roller or Retard Roller of the ASF Assy for paper

dust and foreign matter.

1. Using a cleaning sheet, clean the LD Roller
and Retard Roller. The procedure is as follows.

(1) Place the cleaning sheet upside down and

put it into the ASF Assy.

(2) Press the Paper Switch to start paper feed.

(3) Repeat the above steps several times.

* To remove persistent contamination, staple

an alcohol-dampened cloth to a postcard
and clean the rollers in the following
method.

(1) Place the alcohol-dampened cloth toward

the LD Roller surface of the ASF Assy.

(2) Hold the mount top end securely and press

the Paper Switch.

(3) Repeat the paper feed sequence several

times to clean the LD Roller surface of the
ASF Assy.

Troubleshooting Overview 35

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CN2

PE Sensor connector

Sensor Holder

Detection Lever

Torsion Spring

Table 3-4. Troubleshooting of Paper Out Error

Occurrence

Timing

At operation Paper Mismatch Error is

Phenomenon Detail

indicated.

Faulty Part/

Part Name

PE Sensor 1. Check that the connector cable of the PE Sensor is securely

connected to the PE Sensor and Relay Board connector CN2.

2. Check that the Sensor Holder is mounted to the Mechanical
frame correctly.

Check Point Remedy

1. Connect the connector cable of the PE Sensor
to the PE Sensor and connector CN2 on the
Relay Board correctly.

2. Install the Sensor Holder correctly.

3. Move the Detection Lever manually as when the paper passes,
and check that the Detection Lever returns to the original
position automatically by the Torsion Spring when released.
Refer to the above photo.

4. Using a tester, check that the PE Sensor is normal.

⋅ Paper absent : 2.4V or more
⋅ Paper present : 0.4V or less

Troubleshooting Overview 36

3. Replace the PE Sensor Holder Unit with a new
one.

4. Replace the PE Sensor Holder Unit with a new
one.

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Paper EJ Frame Assy.

Star Wheel Units

Spur Gear 68

Spur Gear 16; B

Table 3-5. Troubleshooting of Paper Jam Error

Occurrence

Timing

At operation At the time of paper ejection, the

Phenomenon Detail

PF Roller advances the paper but
cannot eject it completely.

Paper is not ejected completely
and causes a jam near the Paper
Eject Frame.

Faulty Part/

Part Name

– 1. Check that the size of the fed paper is not larger than that of the

paper specified by the driver.

ASF Assy. 1. Check that the paper is fed along the Right Edge Guide. 1. Feed the paper along the Right Edge Guide.

Paper EJ Frame
Assy.

Spur Gear 68
Spur Gear 16; B
Paper EJ Roller
Assy.(front/rear)

1. Check that the Star Wheel Units have not come off the Paper EJ
Frame Assy.

2. Check the Paper EJ Frame Assy for deformation or damages. 2. Replace the Paper EJ Frame Assy with a new

1. Check the Spur Gear 68 or Spur Gear 16; B for damages. 1. Replace the Front (or Rear) Paper EJ Roller

Check Point Remedy

1. Tell the user that the paper size specified by the
driver is not available for the printer.

1. Securely install the Star Wheel Units to the
Paper EJ Frame Assy.

one.

Assy with a new one.

Troubleshooting Overview 37

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WorkForce 1100/Epson Stylus Office T1110/B1100/T1100/Epson ME Office 1100 Revision A

Extension Spring

Retard Roller

Assy

Bottom of

the ASF Assy

ASF Assy

Table 3-6. Troubleshooting of Multi-feed error

Occurrence

Timing

Any time During manual double-sided

Occurrence

Timing

At operation or
during printing

Phenomenon Detail

printing, multiple sheets are fed
at a time.

Phenomenon Detail

A message is displayed on the
LED and STM3 during printing.

Faulty Part/Part

Name

ASF Assy 1. Check that the Retard Roller Assy is moving properly during the

feeding operation.

2. Check that the position of the ASF Guide Roller LDs has been
adjusted correctly.

Check Point Remedy

Table 3-7. Troubleshooting of Ink Low

Faulty Part/Part

Name

Ink Cartridge 1. Look at the remaining ink indication of the STM3 to check the

amount of the ink remaining in the Ink Cartridge.

Check Point Remedy

1. Attach the Extension Spring on the back side
of the Retard Roller Assy correctly.
Refer to Chapter 4 Retard Roller Assy

(P.101).

2. Adjust the position of the ASF Guide Roller
LDs.
Refer to Chapter 4 ASF Assy (P.96).

1. Prepare a new Ink Cartridge.

Table 3-8. Troubleshooting of Ink Out Error

Occurrence

Timing

During printing After the Carriage has detected

Phenomenon Detail

the HP, an error is displayed on
the LED and STM3.

Faulty Part/Part

Name

Ink Cartridge 1. Look at the remaining ink indication of the STM3 to check

whether the ink remains in the Ink Cartridge.

Check Point Remedy

1. Replace the Ink Cartridge with a new one.

Troubleshooting Overview 38

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WorkForce 1100/Epson Stylus Office T1110/B1100/T1100/Epson ME Office 1100 Revision A

Tab

Memory Chip

Memory Chip

Table 3-9. Troubleshooting of No Ink Cartridge/CSIC Error

Occurrence

Timing

At power-on After the Carriage has detected

Phenomenon Detail

the HP, an error is displayed on
the LED and STM3.

Faulty Part/

Part Name

Ink Cartridge 1. Check that the Ink Cartridge is installed correctly. 1. Install the Ink Cartridge correctly.

2. Check that the tab of the Ink Cartridge is not broken. 2. Replace the Ink Cartridge with a new one.

3. Check that the Memory Chip is not disconnected or not
damaged.

Check Point Remedy

3. Replace the Ink Cartridge with a new one.

Troubleshooting Overview 39

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WorkForce 1100/Epson Stylus Office T1110/B1100/T1100/Epson ME Office 1100 Revision A

CN22

CSIC Board

connector

CSIC FFC

CSIC Board

Table 3-9. Troubleshooting of No Ink Cartridge/CSIC Error

Occurrence

Timing

At power-on After the Carriage has detected

Phenomenon Detail

the HP, an error is displayed on
the LED and STM3.

Faulty Part/

Part Name

CSIC FFC 1. Check that the CSIC FFC is connected to the CSIC Board

connector and Main Board connector CN22.

2. Check the CSIC FFC for damage. 2. Replace the CSIC FFC with a new one.

CSIC Board 1. Check the CSIC Board for damage. 1. Replace the CSIC Assy with a new one.

Check Point Remedy

1. Connect the CSIC FFC to the CSIC Board
connector and Main Board connector CN22.

Table 3-10. Troubleshooting of Maintenance Request

Occurrence

Timing

At power-on At power-on, the printer does not

Note*: Taking the ink evaporation amount into consideration, the threshold value of the Protection Counter A for the Maintenance Request varies from 12,300 to 14,250 accordingly until 260 days

pass from the day the printer receives the first TI from the printer driver (the printer is initially used). The value after 260 days is 14,250.

Troubleshooting Overview 40

Phenomenon Detail

operate at all.

Faulty Part/

Part Name

Waste Ink Pads 1. Using the Adjustment Program, check if the values of the

Protection Counter A and B have exceeded the values shown
below.

• Protection Counter A

• Protection Counter B: 8,900

Check Point Remedy

*

: 12,300 ∼ 14,250

1. Replace the Waste Ink Pads and reset the
Protection Counter A and B value with the
Adjustment Program.

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CN115

Table 3-11. Troubleshooting of Fatal Error

Occurrence

Timing

At power-on At power-on, the CR Motor does

Phenomenon Detail

not operate at all.

Faulty Part/

Part Name

CR Motor 1. Check the CR Motor connector cable for damages. 1. Replace the CR Motor with a new one.

2. Check if the CR Motor operates normally. 2. Replace the CR Motor with a new one.

3. Check that the CR Motor connector cable is connected to the
Main Board connector CN115.

Check Point Remedy

3. Connect the CR Motor connector cable to the
Main Board connector CN115.

Troubleshooting Overview 41

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Carriage Shaft

CN116

Table 3-11. Troubleshooting of Fatal Error

Occurrence

Timing

At power-on The power-on sequence is

Phenomenon Detail

executed but Fatal error is
displayed.

Faulty Part/

Part Name

CR drive
mechanism

Check Point Remedy

1. Check that the Carriage Shaft is lubricated with grease. 1. Wipe the surface of the Carriage Shaft with a
dry, soft cloth, and lubricate the Carriage
Shaft with grease G-71.
Refer to Chapter 6 “Maintenance ”.

At power-on, the PF Motor does
not operate at all.

PF Motor 1. Check that the connector cable of the PF Motor is connected to

the Main Board connector CN116.

2. Check the PF Motor connector cable for damages. 2. Replace the PF Motor with a new one.

3. Check if the PF Motor operates normally. 3. Replace the PF Motor with a new one.

1. Connect the PF Motor connector cable to the
Main Board connector CN116.

Troubleshooting Overview 42

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CN118

CN117

Table 3-11. Troubleshooting of Fatal Error

Occurrence

Timing

At power-on At power-on, the APG Motor

Phenomenon Detail

does not operate at all.

At power-on, the Pump Motor
does not operate at all.

Faulty Part/

Part Name

APG Motor 1. Check that the connector cable of the APG Motor is connected

to the Main Board connector CN118.

2. Check the APG Motor connector cable for damage. 2. Replace the APG Assy with a new one.

3. Check if the APG Motor operates normally. 3. Replace the APG Assy with a new one.

Pump Motor 1. Using a tester, check the resistance value of the Pump Motor.

Value of resistance: 10.3 Ω ± 10%

2. Check the Pump Motor connector cable for damages. 2. Replace the Ink System with a new one.

3. Check that the Pump Motor connector cable is connected to the
Main Board connector CN117.

Check Point Remedy

1. Connect the APG Motor connector cable to
the Main Board connector CN118.

1. If the resistance value is abnormal, replace the
Ink System with a new one.

3. Connect the Pump Motor connector cable to
the Main Board connector CN117.

Troubleshooting Overview 43

4. Check the Pump Motor connector cable for damages. 4. Replace the Ink System with a new one.

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APG Sensors

APG Sensor connector cables

Table 3-11. Troubleshooting of Fatal Error

Occurrence

Timing

At power-on While the power-on sequence is

Phenomenon Detail

being executed, Fatal error is
displayed.

Faulty Part/

Part Name

APG Sensor 1. Check the APG Sensor connector cables is connected to the

APG Sensor connectors.

2. Check if the connector cables of the APG Sensor is broken.

3. Check the APG Sensors for damages. 3. Replace the APG Assy with a new one.

Check Point Remedy

1. Connect the APG Sensor connector cables to
the APG Sensor connectors.

2. Replace the ASF Assy with a new ones.

Troubleshooting Overview 44

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WorkForce 1100/Epson Stylus Office T1110/B1100/T1100/Epson ME Office 1100 Revision A

Relay connector

ASF Motor

CN119

Table 3-11. Troubleshooting of Fatal Error

Occurrence

Timing

At power-on While the power-on sequence is

Phenomenon Detail

being executed, Fatal error is
displayed.

Faulty Part/

Part Name

ASF Motor 1. Check that the connector cable of the ASF Motor is connected

to the Relay connector.

Check Point Remedy

1. Connect the connector cable of the ASF
Motor to the Relay connector.

Relay connector
cable

2. Using a tester, check the resistance value of the ASF Motor.
Value of resistance: 7.0 Ω ± 10%

3. Check the ASF Motor connector cable for damages. 3. Replace the ASF Motor with a new one.

1. Check that the Relay connector cable is connected to the Main
Board connector CN119.

2. Check the Relay connector cable for damages. 2. Replace the Relay connector cable with a new

2. If the resistance value is abnormal, replace the
ASF Motor with a new one.

1. Connect the Relay connector cable to the
Main Board connector CN119.

one.

Troubleshooting Overview 45

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CN1

CN5

Relay FFC

CR Scale

CR Encoder

Sensor Board

Table 3-11. Troubleshooting of Fatal Error

Occurrence

Timing

At power-on While the power-on sequence is

Phenomenon Detail

being executed, Fatal error is
displayed.

At power-on, the Carriage Unit
moves away from the home
position and bumps against the
right of the Frame, then hits the
left of the Frame.

Faulty Part/

Part Name

Relay FFC 1. Check that the Relay FFC is connected to the Relay Board

connector CN1 and Main Board connector CN5.

2. Check the Relay FFC for damages. 2. Replace the Relay FFC cable with a new one.

CR Scale 1. Check that the CR Scale is inserted in the slit of the CR

Encoder Sensor.

Check Point Remedy

1. Connect the Relay FFC to the Relay Board
connector CN1 and Main Board connector
CN5.

1. Insert the CR Scale into the slit of the CR
Encoder Sensor.

2. Check the CR Scale for damages and dirt. 2. Wipe off the dirt completely or replace the CR
Scale with a new one.

Troubleshooting Overview 46

CR Encoder
Sensor Board

1. Check the CR Encoder Sensor for paper dust, etc. 1. Remove the paper dust, etc. from the CR
Encoder Sensor.

2. Check the CR Encoder Sensor Board for damages. 2. Replace the CR Encoder Sensor Board with a
new one.

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CN9

CR Encoder Sensor

Board connector

CN6

PF Encoder Sensor

Board connector

Table 3-11. Troubleshooting of Fatal Error

Occurrence

Timing

At power-on At power-on, the Carriage Unit

Phenomenon Detail

moves away from the home
position and bumps against the
right of the Frame, then hits the
left of the Frame.

At power-on, the PF Roller
rotates fast about a half turn.

Faulty Part/

Part Name

Sensor FFC 1. Check that the Sensor FFC is connected to the CR Encoder

Sensor Board connector and Main Board connector CN9.

2. Check the Sensor FFC for damages. 2. Replace the Sensor FFC with a new one.

PF Encoder
Sensor Holder

1. Check that the PF Encoder Sensor Holder is mounted correctly. 1. Install the PF Encoder Sensor Holder

2. Check that the FFC of the PF Encoder Sensor is securely

connected to the PF Encoder Sensor Board connector and Relay
Board connector CN6.

Check Point Remedy

1. Connect the Sensor FFC to the CR Encoder
Sensor Board connector and Main Board
connector CN9.

correctly.

2. Connect the PF Encoder Sensor FFC to the PF
Encoder Sensor Board and Relay Board
connector CN6.

3. Check the PF Encoder Sensor for paper dust, etc. 3. Remove the paper dust, etc. from the PF
Encoder Sensor.

4. Check if the PF Encoder or the FFC is damaged. 4. Replace the PF Encoder with a new one.

Troubleshooting Overview 47

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Slit

PF Scale

CN9, CN11, CN12, CN13

Table 3-11. Troubleshooting of Fatal Error

Occurrence

Timing

At power-on At power-on, the PF Roller

During printing After receiving a print data, an

Phenomenon Detail

rotates fast about a half turn.

error is displayed on the LED
and STM3.

Faulty Part/

Part Name

PF Scale 1. Check that the PF Scale is inserted in the slit of the PF Encoder

Sensor.

2. Check the PF Scale for damages and dirt. 2. Replace the PF Scale with a new one.

Head FFC
Sensor FFC

1. Check that the Head FFC and the Sensor FFC are securely

connected to the Main Board connectors CN9, CN11, CN12,
and CN13.

Check Point Remedy

1. Install the PF Scale in the slit of the PF
Encoder Sensor correctly.

1. Connect the Head FFC and the Sensor FFC to
the Main Board connectors CN9, CN11,
CN12, and CN13.

Troubleshooting Overview 48

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Relay Head FFC

Head FFC

Print Head

connector

Head FFC

Table 3-11. Troubleshooting of Fatal Error

Occurrence

Timing

During printing After starting to print, ink is not

Phenomenon Detail

ejected and paper stops midway.

Faulty Part/

Part Name

Relay Head FFC 1. Check that the Relay Head FFC is securely connected to the

Main Board connectors CN11, CN12, and CN13.

2. Check that the Relay Head FFC is securely connected to the CR
Relay Board connectors CN3 and CN4.

3. Check the Relay Head FFC for damages. 3. Replace the Relay Head FFC with a new one.

Head FFC 1. Check that the Head FFC is securely connected to the CR Relay

Board connectors CN1 and CN2.

2. Check that the Head FFC is securely connected to the Print
Head connectors.

Check Point Remedy

1. Connect the Relay Head FFC to the Main
Board connectors CN11, CN12, and CN13.

2. Connect the Relay Head FFC to the CR Relay
Board connectors CN3 and CN4.

1. Connect the Head FFC to the CR Relay Board
connectors CN1 and CN2.

2. Connect the Head FFC to the Print Head
connectors.

Troubleshooting Overview 49

Ink is not ejected from most
nozzles.

Print Head 1. Check for occurrence of Head Hot. 1. Replace the Print Head with a new one.

3. Check the Head FFC for damages. 3. Replace the Head FFC with a new one.

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Extension Spring, 1.19 IS

Seal Rubbers

3.1.2 Troubleshooting based on Observed Faults

This section provides troubleshooting procedures based on observed faults such as print quality troubles and abnormal noise.

Table 3-12. Print Quality Troubles

Observed Faults Details of the Fault

Dot missing and
mixed colors

Inks are not ejected from the
Print Head to the Cap.

Although inks are ejected from
the Print Head to the Cap, the
trouble still occurs after
executing a cleaning cycle or
replacing the Ink Cartridges.

Faulty Part/

Part Name

Ink System Unit
(Cap)

Print Head 1. Run a Nozzle Check, and check the printed pattern if it has

1. Check for foreign matter around the Seal Rubber on the Cap
Unit.

2. Check that the Extension Spring 1.19 IS is correctly installed to
the Cap Unit.

broken lines or missing segments.

Check Point Remedy

1. Remove the foreign matter around the Seal
Rubber completely.

2. Replace the Ink System Unit with a new one.

1. After running a Head Cleaning, check the
Nozzle Check Pattern again.

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Relay Head FFC

Head FFC

Print Head

connector

Head FFC

Table 3-12. Print Quality Troubles

Observed Faults Details of the Fault

Dot missing and
mixed colors

Although inks are ejected from
the Print Head to the Cap, the
trouble still occurs after
executing a cleaning cycle or
replacing the Ink Cartridges.

Faulty Part/

Part Name

Relay Head FFC 1. Check that the Relay Head FFC is securely connected to the

Main Board connectors CN11, CN12, and CN13.

2. Check that the Relay Head FFC is securely connected to the CR
Relay Board connectors CN3 and CN4.

3. Check the Relay Head FFC for damages. 3. Replace the Relay Head FFC with a new one. If

Head FFC 1. Check that the Head FFC is securely connected to the CR Relay

Board connectors CN1 and CN2.

2. Check that the Head FFC is securely connected to the Print Head
connectors.

Check Point Remedy

1. Connect the Relay Head FFC to the Main
Board connectors CN11, CN12, and CN13.

2. Connect the Relay Head FFC to the CR Relay
Board connectors CN3 and CN4.

the trouble still occurs after replacing it, replace
the Print Head with a new one.

1. Connect the Head FFC to the CR Relay Board
connectors CN1 and CN2.

2. Connect the Head FFC to the Print Head
connectors.

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Cleaner Blade

Table 3-12. Print Quality Troubles

Observed Faults Details of the Fault

Dot missing and
mixed colors

Although inks are ejected from
the Print Head to the Cap, the
trouble still occurs after
executing a cleaning cycle or
replacing the Ink Cartridges.

Faulty Part/

Part Name

Head FFC 3. Check the Head FFC for damages. 3. Replace the Head FFC with a new one. If the

Ink System Unit
Cleaner Blade

Main Board 1. Check the Main Board for damages. 1. Replace the Main Board with a new one.

1. Check if the Cleaner Blade is covered with paper dust or is bent. 1. Replace the Ink System Unit with a new one.

Check Point Remedy

trouble still occurs after replacing it, replace the
Print Head with a new one.

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Relay Head FFC

Head FFC

Print Head

connector

Head FFC

Table 3-12. Print Quality Troubles

Observed Faults Details of the Fault

Horizontal or vertical
banding / Getting
smeared

Although inks are ejected from
the Print Head to the Cap, the
trouble still occurs after
executing a cleaning cycle or
replacing the Ink Cartridges.

Faulty Part/

Part Name

Relay Head FFC 1. Check that the Relay Head FFC is securely connected to the

Main Board connectors CN11, CN12, and CN13.

2. Check that the Relay Head FFC is securely connected to the CR
Relay Board connectors CN3 and CN4.

3. Check the Relay Head FFC for damages. 3. Replace the Relay Head FFC with a new one. If

Head FFC 1. Check that the Head FFC is securely connected to the CR Relay

Board connectors CN1 and CN2.

2. Check that the Head FFC is securely connected to the Print Head
connectors.

Check Point Remedy

1. Connect the Relay Head FFC to the Main
Board connectors CN11, CN12, and CN13.

2. Connect the Relay Head FFC to the CR Relay
Board connectors CN3 and CN4.

the trouble still occurs after replacing it, replace
the Print Head with a new one.

1. Connect the Head FFC to the CR Relay Board
connectors CN1 and CN2.

2. Connect the Head FFC to the Print Head
connectors.

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Table 3-12. Print Quality Troubles

Observed Faults Details of the Fault

Horizontal or vertical
banding / Getting
smeared

Although inks are ejected from
the Print Head to the Cap, the
trouble still occurs after
executing a cleaning cycle or
replacing the Ink Cartridges.

Faulty Part/

Part Name

Head FFC 3. Check the Head FFC for damages. 3. Replace the Head FFC with a new one. If the

Print Head 1. Check if the print quality recovers after running a cleaning or

replacing the Ink Cartridges.

Main Board 1. Check the Main Board for damages. 1. Replace the Main Board with a new one.

Check Point Remedy

trouble still occurs after replacing it, replace the
Print Head with a new one.

1. Run the cleaning and replace the Ink Cartridges
several times. If the trouble still occurs, replace
the Print Head with a new one.

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Direction of CR

movement

Direction of CR

movement

Table 3-12. Print Quality Troubles

Observed Faults Details of the Fault

Vertical or horizontal
banding / Color
shading

The printout has banding vertical
to the CR moving direction and
is not evenly colored.

* If the trouble still occurs after

doing all measures described
in the right-hand columns,
replace the CR Motor with a
new one.

Narrow stripes of the same width
appear horizontally to the CR
moving direction.

Faulty Part/

Part Name

Adjustment 1. For printing in the Bi-D mode, check that the Bi-D Adjustment

has been performed properly.

Print Head 1. Run a Nozzle Check, and check the printed pattern if it has

broken lines or missing segments.

Carriage Shaft 1. Check the surfaces of the Carriage Shaft for foreign matter. 1. Remove foreign matter from the Carriage Shaft.

2. Check that the Carriage Shaft is fully lubricated with grease. 2. Wipe the grease applied to the Carriage Shaft

3. Check that the Carriage Shaft is mounted horizontally. 3. Reassemble the Carriage Shaft correctly.

4. Check the Carriage Shaft for damages. 4. Replace the Carriage Shaft with a new one.

Printer Driver and
the Paper

Print Head 1. Run a Nozzle Check, and check the printed pattern if it has

PF Roller Shaft 1. Check the surface of the PF Roller Shaft for foreign matter. 1. Clean the PF Roller surface carefully.

1. Check if appropriate paper is used in accordance with the Printer
Driver settings.

broken lines or missing segments.

2. Check the PF Roller Shaft for damages. 2. Replace the PF Roller with a new one.

Check Point Remedy

1. Perform Bi-D Adjustment to eliminate
displacements between the upper and lower
lines.
Refer to Chapter 5 “Adjustment ”.

1. Perform the Head Cleaning, then check the
Nozzle Check Pattern.
Refer to Chapter 5
If the trouble still occurs, replace the Print Head
with a new one.

with a dry, soft cloth, and then apply G-71
grease.
Refer to Chapter 6 “Maintenance ”.

1. Use the appropriate type of paper in accordance
with the Printer Driver.

1. Perform the Head Cleaning, then check the
Nozzle Check Pattern.
Refer to Chapter 5
If the trouble still occurs, replace the Print Head
with a new one.

“Adjustment”

“Adjustment”

.

.

* If the trouble still occurs after

doing all measures described
in the right-hand columns,
replace the PF Motor with a
new one.

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Paper EJ Frame Assy.

Star Wheel Units

Table 3-12. Print Quality Troubles

Observed Faults Details of the Fault

Vertical or horizontal
banding / Color
shading

Paper EJ Roller
traces appear on the
printout.

When printing at 360 dpi,
horizontal banding and color
unevenness appears at a constant
frequency.

Star Wheel Rollers traces appear
in the CR moving direction.

Printout is faint or blurry.

The bottom of the printout is not
evenly colored.

Traces of the Paper EJ Roller
appear on the printed paper.

Faulty Part/

Part Name

Adjustment 1. Check that PF Adjustment has executed properly. 1. Perform PF Adjustment properly.

2. Check for Dot missing. 2. Replace the Ink System Unit with a new one.

Paper EJ Frame
Assy.

Printer Driver and
the Paper

Print Head 1. Using the Adjustment Program, check that the correct Head ID has

Adjustment 1. Check if the Positioning Adjustment of PF Roller Shaft Retainer

Printer Driver and
the Paper

Front and Rear
Paper EJ Roller
Assys.

1. Check that the Star Wheel Units have not come off or the Star
Wheel Rollers turns normally.

1. Check that adequate paper is used according to the setting of the
Printer Driver.

been written to the EEPROM.

has been performed properly.

1. Check if appropriate paper is used in accordance with the Printer
Driver settings.

1. Check if the Paper EJ Roller is clean or not. 1. Clean the Paper EJ Roller with a soft cloth.

Check Point Remedy

Refer to Chapter 5 “Adjustment ”.

1. Install the Star Wheel Units to the Paper EJ
Frame Assy correctly.

1. Use the appropriate type of paper in accordance
with the Printer Driver.

1. Using the Adjustment Program, enter the 10­digit code of the Head ID to the EEPROM.
Refer to Chapter 5 “Adjustment ”.

1. Make adjustments according to the specified
adjustment priority.
Refer to Chapter 5 “Adjustment ”.

1. Use the appropriate type of paper in accordance
with the Printer Driver.

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Front Paper Guide Pad Front Paper Guide

Table 3-12. Print Quality Troubles

Observed Faults Details of the Fault

The printout is
stained with ink.

The non-printed side or the
bottom of the printout is dirty
with ink.

When the paper size in the sent
print data is larger than the size
of the fed paper, data are printed
on the Front Paper Guide,
extending off the paper.

Ink smudges appear on the blank
area of the printout.

Faulty Part/

Part Name

Front Paper
Guide Pad

PW sensor 1. Check that the PW Sensor FFC is connected. 1. Connect the PW Sensor FFC.

Paper EJ Frame
Assy.

Front Paper
Guide

Front Paper
Guide Pad

1. Check that heaps of ink are not formed on the Front Paper Guide
Pad and that the Front Paper Guide Pad is installed securely and
evenly in the setting position.

2. Check that the PW Sensor is not faulty. 2. Replace the PW Sensor with a new one.

1. Check the Star Wheel Rollers for ink stain. 1. Clean the Star Wheel Rollers with a soft cloth.

1. Check the Front Paper Guide for ink stain. 1. Clean the Front Paper Guide with a soft cloth.

1. Check if ink heaps are formed on the Front Paper Guide Pad. 1. Replace the Front Paper Guide with a new one.

Check Point Remedy

1. If heaps of ink are formed, replace the Front
Paper Guide. If it has been confirmed that the
Ink pads have risen, reinstall the Front Paper
Guide Pad correctly.

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Driven Roller Shaft

Rear Paper EJ Roller AssyFront Paper EJ Roller Assy

Cleaner Blade

Table 3-12. Print Quality Troubles

Observed Faults Details of the Fault

The printout is
stained with ink.

Ink smudges appear on the blank
area of the printout.

Faulty Part/

Part Name

Front and Rear
Paper EJ Roller
Assys

Driven Roller
Shaft

Ink System Unit 1. Check that wiping operation was performed properly. 1. Install the Cleaner blade correctly or replace it

1. Check the Front and Rear Paper EJ Roller Assys for ink stain. 1. Clean the Front and Rear Paper EJ Roller Assys

1. Check the Driven Roller Shaft for ink stain. 1. Clean the Driven Roller Shaft with a soft cloth.

Check Point Remedy

with a soft cloth.

with a new one.

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PF Roller Shaft

Table 3-12. Print Quality Troubles

Observed Faults Details of the Fault

The printout is
stained with ink.

The printout is
grainy.

Ink smudges appear on the blank
area of the printout.

Images are printed grainy in all
print modes. Or the image looks
rough.

When printed at 5760 dpi, the
printed images are poor or
grainy.

Faulty Part/

Part Name

PF Roller Shaft 1. Check the PF Roller Shaft for ink stain. 1. Clean the PF Roller Shaft with a soft cloth.

Adjustment
Main Board
Print Head

Adjustment
Main Board
Print Head

1. Check that PG, Bi-D and Head Angular Adjustments have been
made properly.

2. Print the adjustment check patterns and check if they are grainy. 2. If the images look still grainy after adjustment,

1. After making sure that PG, Bi-D and Head Angular Adjustments
have been made correctly, check whether PW Sensor has been
adjusted properly.

2. Print the adjustment check patterns and check if the printed
images are still poor or grainy.

Check Point Remedy

1. Make the adjustments according to the
specified adjustment priority.
Refer to Chapter 5 “Adjustment ”.

replace the Main Board with a new one.

1. Make the adjustment according to the specified
adjustment priority.
Refer to Chapter 5 “Adjustment ”.

2. If the image quality does not improve after the
adjustment, replace the Print Head and Main
Board in this order, and check the image
graininess.

Regarding hue of
images

Troubleshooting Overview 59

The whole image is reddish. Adjustment

Print Head

1. Check if the PG has been adjusted properly. 1. Make the adjustment according to the specified
adjustment priority.
Refer to Chapter 5 “Adjustment ”.

2. Check that Bi-D and Head Angular Adjustments have been

made properly.

3. Print the adjustment check patterns and check the image color. 3. If the image color does not change after

2. Make the adjustments according to the
specified adjustment priority.
Refer to Chapter 5 “Adjustment ”.

adjustment, replace the Print Head with a new
one.

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Table 3-12. Print Quality Troubles

Observed Faults Details of the Fault

Borderless Printing Cannot make a borderless

printing (The printer prints with
margins despite the borderless
setting).

Pattern misalignment
for vertical lines and
such

Occurrence Timing Details of the Fault

– Printing operation is performed

The vertical lines are not aligned
at monochrome draft printing.

normally but abnormal noise is
produced at power-on or during
operations.

Faulty Part/

Part Name

PW sensor 1. Check if the paper dust or scrap of the paper is attached to the

Front Paper Guide.

2. Check that PW adjustment has executed properly. 2. If the borderless printing still can not be made

Adjustment 1. Check that BAND printing adjustment has executed properly. 3. Make the adjustment according to the specified

Check Point Remedy

1. Remove the paper dust or scrap of the paper.

after the adjustment, replace the PW Sensor
with a new one.
Refer to Chapter 5 “Adjustment ”.

adjustment priority.
Refer to Chapter 5 “Adjustment ”.

Table 3-13. Abnormal Noise

Faulty Part/

Part Name

Adjustment 1. Check that PF Belt Tension Adjustment has been executed

properly.

Carriage Shaft 1. Check that the Carriage Shaft is fully lubricated with grease. 1. Wipe the grease applied to the Carriage Shaft

Check Point Remedy

1. Make the adjustment according to the specified
adjustment priority.
Refer to Chapter 5 “Adjustment ”.

with a dry, soft cloth, and then apply grease (G-

71).
Refer to Chapter 6 “Maintenance ”.

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DISASSEMBLY AND 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 and assembling this product.
Unless otherwise specified, the disassembled units or main components can be
reassembled by reversing the disassembling procedure.

 WARNINGs must be followed to avoid personal injury or death.

 CAUTIONs must be followed to avoid damaging the printer or test equipment.

 ADJUSTMENT REQUIRED indicates that specific mandatory adjustments must

be carried out to complete the repair.

 CHECK POINTs emphasize a particularly important process or procedure.

 REASSEMBLY notes provide helpful tips on reassembly procedures, especially

when correct reassembly differs from simple reverse-assembly.

When you need to disassemble any units or parts that are not described in this chapter,
refer to the exploded diagrams in the Appendix.

Before starting your work, always read the precautions described in the next section.

4.1.1 Precautions

Before starting the disassembling/reassembling work of this product, always read the
following “WARNING” and “CAUTION” carefully.

 Before starting the disassembling/reassembling work of this

product, always disconnect the power cable.
When the power supply cable must be connected for voltage
measurement or like, be extremely careful not to get an electric
shock and follow the procedures in this manual to do your
work.

 Wear protective goggles to protect your eyes from ink. If ink

gets in your eyes, wash your eyes with clean water and see a
doctor.

 To prevent injury from sharp metal edges, always wear gloves

for disassembly and reassembly.

 If ink has adhered to your skin, wash it with soap and water. If

it has caused skin irritation, see a doctor.

 To protect the microprocessors and circuitry, use static

discharge equipment, such as anti-static wrist straps when
accessing the internal components.

 Use only the recommended tools for disassembly, reassembly

and adjustment.
Refer to Table 4-1 “List of Tools”.

 Tighten screws to the specified torques.
 Use the specified lubricants and adhesives.

Refer to Chapter 6 “Maintenance”.

 Make the necessary adjustments under the instructions given

for disassembling.
Refer to Chapter 5 “Adjustment”.

 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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4.1.2 Tools

The following table indicates the tools recommended for use for disassembly,
reassembly and adjustment.

Table 4-1. List of Tools

Tool Name Code

Phillips Screw Driver, No.1 1080530

Phillips Screw Driver, No.2 -

Flathead Screwdriver -

Tweezers -

Needle nose pliers -

Nipper -

Acetate tape -

PF Tension Measuring Tool 1294120

Penlight -

Note : All of the tools listed above are commercially available. EPSON provides the tools

listed with EPSON tool code.

4.1.3 Screws

The following table lists the screws used in this product. When disassembling and
reassembling the printer, refer to the following table and use the specified screws in the
specified positions.

Table 4-2. List of Screw Types

No. Name No. Name

1) C.B.P. M3x10 11) C.C. M3x4

2) C.B.S. M3x6 12) C.P.B. (P1) M1.7x5

3) C.B.S. (P2) M3x10 13) C.B.P. M2.6x5

4) C.B.P. M3x8 14) C.P. M3x4

5) C.B.S. M3x8 15) C.B.S. (P2) M3x8

6) C.B.S. (P4) M3x8 16) C.B.P. M2x8

7) C.B.P. M2.6x8 17) C.B. M3x6

8) C.B.S. (P4) M3x6 18) C.B.P. 3x12

9) C.B.P. M3x6 19) C.B. M3x4

10) C.B.S. M3x4

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4.1.4 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.

Table 4-3. Work Completion Check

Classification Item Check Point Check Field

Main Unit Self-test Is the operation normal?

On-line Test Is the printing attempt successful? Checked / Not necessary

Printhead Is ink discharged normally from all the nozzles? Checked / Not necessary

Carriage Mechanism Does it move smoothly?

Are there any abnormal noises during its operation? Checked / Not necessary

Are there any dirt or foreign objects on the CR Shaft? Checked / Not necessary

Is the CR Motor at the correct temperature? (Not too hot to touch?)

Paper Feeding
Mechanism

Adjustment Specified Adjustment Are all the adjustments correctly completed? Checked / Not necessary

Lubrication Specified Lubrication Has lubrication been applied at the specified points?

Function ROM Version Version: Checked / Not necessary

Packing Ink Cartridge Have the ink cartridges been installed correctly?

Protective Materials Have all relevant protective materials been attached to the printer? Checked / Not necessary

Others Accessories Have all the accessories sent by the user been included in the

Is paper advanced smoothly? Checked / Not necessary

No paper jamming? Checked / Not necessary

No paper skew?

No multiple-sheet feeding? Checked / Not necessary

Is the PF Motor at correct temperature? (Not too hot to touch?) Checked / Not necessary

No abnormal noises?

Is the paper path free of obstructions? Checked / Not necessary

Is the amount of lubrication correct? Checked / Not necessary

package?

Checked / Not necessary

Checked / Not necessary

Checked / Not necessary

Checked / Not necessary

Checked / Not necessary

Checked / Not necessary

Checked / Not necessary

Checked / Not necessary

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15 mm

Step1-2

Folded end

Step4

Attach the tape on the

housing to leave any gap.

Step3

White Shaft

CCW

CW

4.1.4.1 Protection for Transportation (Securing the Carriage)

Before packing the printer to be returned to the user, attach a piece of strong tape
(length: 250 mm, fold one end: 5 mm) to the carriage to prevent damage during
transportation.

1. Attach the unfolded end of the strong tape on the bottom left of the carriage as
shown in Figure 4-1.

2. Pull the tape and make it adhere to the left side of the carriage.

3. Move the carriage in the direction of the arrow (130 digit side) in Figure 4-1 until
it touches the Carriage Lock.

4. Pull the tape toward the right side of the housing and attach it tightly along the
shapes of the housing as shown in Figure 4-1 to secure the carriage.

4.1.5 Locking/Releasing the Carriage

Locking and releasing the Carriage is shown below.

1. Remove the Decoration Plate Right.

(p.71).)

2. Insert a phillips screwdriver into the hole on the right side of the frame, and rotate
the white shaft of the Ink System Unit.

Table 4-4. Carriage Lock/Release

Direction of Rotation Carriage

Clockwise (CW) Locked

Counterclockwise (CCW) Released

(Refer to 4.2.6 Decoration Plate Left/Right

Figure 4-2. Release the Carriage Lock

Figure 4-1. Securing the Carriage

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Rear Housing

(p.68)

Start

Front Decoration

Plate Left/Right

(p.68)

Panel Unit (p.69)

Paper Support Assy

(p.67)

Decoration Plate
Left/Right (p.71)

Panel Unit (p.69)

Front Decoration

Plate Left/Right

(p.68)

Cover Open Sensor

(p.127)

Upper Housing /

Printer Cover

(p.72)

Upper Housing

Support Assy

(p.74)

Lower Housing /

Printer Mechanism

(p.86)

Board Assy (Main

Board/Power Supply

Board) (p.75)

APG Assy (p.78) CR Scale (p.79)

CR Motor (p.120)

Printhead / CSIC

Assy (p.81)

Ink System Unit

(p.107)

Paper EJ Frame Assy

(p.106)

PF Encoder (p.124)

Upper Paper Guide

Assys (p.118)

PF Roller Shaft

(p.115)

PW Sensor (p.125) CR Encoder (p.124)

Carriage Shaft /

Carriage Unit

(p.88)

APG Assy (p.78)

CR Scale (p.79)

Upper Paper Guide

Assys (p.118)

PE Sensor Holder

(p.126)

Release Holder Assy

(p.117)

APG Assy (p.78)

ASF Assy (p.96)

PE Sensor Holder

(p.126)

ASF Motor (p.123)

PF Motor (p.122)

Waste Ink Pad /

Waste Ink Tray Assy

(p.104)

Front Paper Guide / Paper

EJ Roller / Front Paper
Guide Pad Tray

(p.110)

Foot (p.105)

C H E C K

P O I N T

 The boxes shown in a dotted-line are not the shortest

procedures, but are necessary to proceed to the next step.

 Since a prototype was used to illustrate these disassembly

and assembly procedures, the appearance of some parts
may differ from those on an actual product.

Stacker Assy

(p.67)

PF Encoder (p.124)

ASF Assy (p.96)

ASF Motor (p.123)

LD Roller (p.99)

Retard Roller Assy

(p.101)

Front Paper Guide

Pad (p.103)

Paper EJ Frame Assy

(p.106)

4.1.6 Disassembly

The flowchart below lists the step-by-step disassembly procedures. When disassembling each unit, refer to the page number shown in the figure.

Figure 4-3. Disassembly Flowchart

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Paper Support Assy

Guide pin

Guide pin

Stopper

Guide pins

Stacker Assy

Hole

Guide pin

4.2 Removing the Housings

4.2.1 Paper Support Assy

1. While pulling out the left and right guide pins of the Paper Support Assy, remove
the Paper Support Assy.

Figure 4-4. Removing the Paper Support Assy

4.2.2 Stacker Assy

1. To disengage the guide pin on the right of the Stacker Assy, push the Stopper in
the direction of the arrow with a flathead screwdriver or similar tool.

2. Pull out the left guide pin of the Stacker Assy, and remove the Stacker Assy.

Figure 4-5. Removing Stacker Assy

Disassembly And Assembly Removing the Housings 67

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Front Decoration Plate Left

Hook

Hook

Tab

4) C.B.P. M3x8
(6±1 kgf.cm)

Rear Housing

Tab

2) C.B.S. M3x6
(6±1 kgf.cm)

1

2

4.2.3 Front Decoration Plate Left/Right

1. Open the Stacker Assy.

2. While releasing the hook on the Front Decoration Plate Left, open the plate in the
direction of the arrow, and remove it.

3. In the same way, remove the Front Decoration Plate Right.

Figure 4-6. Removing the Front Decoration Plate Left/Right

When installing the Front Decoration Plate L/R, insert the two
hooks at the bottom of them into the holes of the Lower housing,
then secure the Front Decoration Plate L/R with the other hooks.

4.2.4 Rear Housing

1. Remove the two C.B.P. M3 x 8 screws and the C.B.S. M3 x 6 screw that secure the
Rear Housing.

2. Disengage the two tabs from the Upper Housing and remove the Rear Housing.

Figure 4-8. Removing the Rear Housing

Tighten the screws in the order shown in Figure 4-8.

Figure 4-7. Reinstalling the Front Decoration Plate Left/Right

Disassembly And Assembly Removing the Housings 68

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Positioning tab

Hook this to the

Upper Housing

Positioning tab

Panel Unit

Printer Cover

 Align the positioning tabs (one each on the left/right) with the

positioning holes (one each on the left/right) on the Upper
Housing.

 Align the positioning tabs (three each on the left/right) with the

positioning holes (three each on the left/right) on the Decoration
Plate Left/Right and the Lower Housing.

Figure 4-9. Reinstalling the Rear Housing

4.2.5 Panel Unit

1. Open the Printer Cover.

Figure 4-10. Removing the Panel Unit (1)

Disassembly And Assembly Removing the Housings 69

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Hook
Tab

Connector

Panel FFC

Panel Unit

Panel Unit

Double-sided tape

Panel FFC

2. Disengage the nine hooks on the bottom of the Panel Unit, and remove the Panel
Unit while pulling out its tab.

3. Disconnect the Panel FFC from the Panel Board connector and remove the Panel
Unit.

 Be careful not to get the Panel FFC caught underneath the

hooks on the Panel Unit.

 Secure the Panel FFC to the Panel Unit with a piece of double-

sided tape.

Figure 4-12. Securing the Panel FFC

Figure 4-11. Removing the Panel Unit (2)

Disassembly And Assembly Removing the Housings 70

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Decoration Plate

Right

Hook (x3)

Tab

Guide pin (x4)

Tab

Hooks and Ribs

Positioning hole

4.2.6 Decoration Plate Left/Right

1. Remove the Rear Housing. (p.68)

2. Remove the Front Decoration Plate Left/Right. (p.68)

3. Release the three hooks on the front of the Decoration Plate Right and lift the plate
a little to release the tab and the four guide pins on the upper side, then remove the
Decoration Plate Right.

4. In the same way, remove the Decoration Plate Left.

When installing the Decoration Plate L/R, first align the hooks of
the Decoration Plate L/R (two each) with the ribs of the Lower
Housing (two each on the left/right), and then align the tab inside
the Decotrative Plate L/R (one each) with the positioning hole on the
Upper Housing (one each on the left/right).

Figure 4-14. Reinstalling the Decoration Plate Left/Right

Figure 4-13. Removing the Decoration Plate Left/Right

Disassembly And Assembly Removing the Housings 71

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1) C.B.P. M3x10
(6±1 kgf.cm)

6

1) C.B.P. M3x10
(6±1 kgf.cm)

7

1) C.B.P. M3x10

(6±1 kgf.cm)

5

2

1) C.B.P. M3x10
(6±1 kgf.cm)

1

3

1) C.B.P. M3x10
(6±1 kgf.cm)

4

Upper Housing

A D J U S T M E N T

R E Q U I R E D

Upper Housing

Grounding Plate

4.2.7 Upper Housing / Printer Cover

1. Remove the Decoration Plate Left/Right. (p.71)

2. Remove the Panel Unit. (p.69)

3. Remove the seven C.B.P. M3 x 10 screws that secure the Upper Housing.

4. Remove the Upper Housing while pulling out the Panel FFC through the cutout of
the Upper Housing.

 Route the Panel FFC correctly as shown in Figure 4-12.
 Install the Upper Housing so that the Grounding Plate properly

protrudes through the cutout of the Upper Housing.

Figure 4-16. Routing the Panel FFC

 Tighten the screws in the order shown in Figure 4-15.

After replacing the following parts, be sure to apply G-74 grease to the
area specified for each part.
 Upper Housing: See Figure 6-14 on page 158.

Disassembly And Assembly Removing the Housings 72

Figure 4-15. Remove the Upper Housing

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Tabs

Tabs

4) C.B.P. M3x8
(6±1 kgf.cm)

4) C.B.P. M3x8
(6±1 kgf.cm)

Upper Housing

Printer Cover Holder Right

Printer Cover Holder Left

C A U T I O N

C A U T I O N

Printer Cover

Upper Housing

Tab

Printer Cover

Holder Right

REMOVING THE PRINTER COVER

1. Remove the Upper Housing / Printer Cover. (p.72)

2. Remove the two C.B.P. M3 x 8 screws that secure Printer Cover Holder Left/
Right.

Figure 4-17. Removing the Printer Cover Holder Left/Right

Be careful not to damage the surface in step 3 and later.

3. Remove the Printer Cover Holder Right following the steps below.

3-1. With the Printer Cover open, put the Upper Housing with the rear side up.

When performing the following steps, be careful not to damage the
tabs of the Printer Cover Holder Right.

3-2. Slide the Printer Cover Holder Right in the direction of the arrow while

lifting it, and remove the Printer Cover Holder Right from the Upper
Housing.

Disassembly And Assembly Removing the Housings 73

Insert the tabs (two each on the left/right) shown in Figure 4-17 into
the holes on the Upper Housing.

Figure 4-18. Removing the Printer Cover

4. While holding the Printer Cover, remove the Printer Cover Holder Left in the same
manner as Step 3-2, and remove the Printer Cover from the Upper Housing.

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A D J U S T M E N T

R E Q U I R E D

1) C.B.P. M3x10
(6±1 kgf.cm)

1) C.B.P. M3x10

(6±1 kgf.cm)

Upper Housing Support Assy

2) C.B.S. M3x6
(6±1 kgf.cm)

After replacing the following parts, be sure to apply G-26 grease to the
area specified for each part.

 Printer Cover Holder Left: Chapter 6 See Figure 6-13 (p.158).
 Printer Cover Holder Right: Chapter 6 See Figure 6-13 (p.158).

4.2.8 Upper Housing Support Assy

1. Remove the Upper Housing / Printer Cover. (p.72)

2. Remove the two C.B.S. M3 x 6 screws and two C.B.P. M3 x 10 screws that secure
the Upper Housing Support Assy, and remove the Upper Housing Support Assy.

Figure 4-19. Removing the Upper Housing Support Assy

Disassembly And Assembly Removing the Housings 74

Secure the Grounding Plate with one of the C.B.S. M3 x 6 screws
together with the Upper Housing as shown below.

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Board Assy

2

5

6

15) C.B.S. (P2) M3x8
(6±1 kgf.cm)

1

3

4

7

5) C.B.S. M3x8
(6±1 kgf.cm)

2) C.B.S. M3x6
(6±1 kgf.cm)

CN116

CN5

CN4

CN12

CN118CN117

CN13

CN19

CN11

CN15

CN22

CN9

4.3 Removing the Boards

4.3.1 Board Assy (Main Board/Power Supply Board)

1. Remove the Upper Housing / Printer Cover. (p.72)

2. Remove the seven screws (four C.B.S. M3 x 6, two C.B.S. (P2) M3 x 8, and one
C.B.S. M3 x 8) that secure the Board Assy.

3. Disconnect all the cables and FFCs connected on the Main Board from the near
side one by one.

No. Connector No. Connector

CN4 Panel Bard, Cover Open Sensor CN22 CSIC

CN5 Relay FFC (for sensor) CN115 CR Motor

CN9 CR Encoder Sensor, PW Sensor CN116 PF Motor

CN11 CR Relay Board CN117 Pump Motor

CN12 CR Relay Board CN118 APG Motor

CN13 CR Relay Board CN119 ASF Motor

Figure 4-20. Removing the Board Assy (1)

Figure 4-21. Connector Layout of the Main Board (130 Digit Side)

Tighten the screws in the order shown in Figure 4-20.

Disassembly And Assembly Removing the Boards 75

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Board Assy

Grounding Plates

C A U T I O N

Lock

Unlock

1

2

3

4

CN60

Main Board

2) C.B.S. M3x6
(6±1 kgf.cm)

14) C.P. M3x4
(4±1 kgf.cm)

5

4. Pull out the Board Assy from the Printer.

Figure 4-22. Removing the Board Assy (2)

 Confirm that the FFCs do not cross each other first, then

connect the FFCs and the cables to the Main Board while
paying attention to the edge of the Shield Plate.

 Take care not to place the Board Assy onto the three Ground

Plates.

REMOVING THE MAIN BOARD

1. Remove the Board Assy (Main Board/Power Supply Board). (p.75)

When disconnecting the Power Board cable, be sure to unlock
CN60 on the Main Board.

Figure 4-24. Handling the Power Board cable (CN60)

2. Disconnect the Power Board cable from connector CN60 on the Main Board.

3. Remove the four C.B.S. M3 x 6 screws and one C.P. M3 x 4 screw that secure the
Main Board and remove the Main Board from the Board Assy.

Figure 4-23. Reinstalling the Board Assy

Figure 4-25. Removing the Main Board

Disassembly And Assembly Removing the Boards 76

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C A U T I O N

Lock

Unlock

Power Board

2) C.B.S. M3x6
(6±1 kgf.cm)

1

23

4

A D J U S T M E N T

R E Q U I R E D

REMOVING THE POWER BOARD

1. Remove the Board Assy (Main Board/Power Supply Board). (p.75)

When disconnecting the Power Board cable, be sure to unlock
CN60 on the Main Board.

Figure 4-26. Handling the Power Board cable (CN60)

2. Disconnect the Power Board cable from connector CN60 on the Main Board. (p.76)

3. Remove the four C.B.S. M3 x 6 screws that secure the Power Board and remove
the Power Board from the Board Assy.

After replacing or removing the Main Board and the Power Board,
always make the required adjustments referring to the following.

• “Chapter 5 Adjustment (p.128)”

Figure 4-27. Removing the Power Board

Tighten the screws in the order shown in Figure 4-25 and Figure

4-27.

Disassembly And Assembly Removing the Boards 77

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APG Assy

APG Motor

APG Sensor

connectors

CN118

Hook the APG Motor
cable on the two tabs
of the ASF Assy.

Acetate tape

3

1

2

2) C.B.S. M3x6
(8±1 kgf.cm)

4.4 Disassembling the Printer Mechanism

4.4.1 APG Assy

1. Remove the Upper Housing / Printer Cover. (p.72)

2. Disconnect the APG Motor connector cable from connector CN118 (red) on the
Main Board.

3. Peel off the acetate tape, and remove the APG Motor cable from the ASF Assy.

4. Disconnect the cables from the two APG Sensor connectors.

5. Remove the three C.B.S. M3 x 6 screws that secure the APG Assy, and remove the
APG Assy from the Main Frame.

Figure 4-29. Removing the APG Assy

Figure 4-28. Disconnecting the Cables

Referring to Figure 4-28, correctly route the APG connector cable.

Disassembly And Assembly Disassembling the Printer Mechanism 78

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Delta Marks

Spur Gear 16

Combination Gear,

22, 28.8, 32.4

Delta Marks

Tab

Spur Gear 16 PG Cam (Left)

C A U T I O N

Step 3

Step 4

Carriage Unit

Right CR Shaft Mounting Plate

CR Scale

Hook

 Align the phase of the APG Assy in the following procedure.

1.Align the delta marks of Spur Gear 16 and Combination Gear
22, 28.8, 32.4.

2. At the position where the tab can be identified through the
notch of the PG Frame, align the delta marks of Spur Gear
16 and PG Cam (Left).

4.4.2 CR Scale

1. Remove the Upper Housing / Printer Cover. (p.72)

2. Release the Carriage Lock, and move the Carriage Unit to the center.

(Refer to 4.1.5 Locking/Releasing the Carriage (p.65).)

When performing the following procedure, take care to prevent
both ends of the CR Scale from being broken.

3. Pull the right end of the CR Scale in the direction of the arrow, and remove the CR
Scale from the tab on the Right CR Shaft Mounting Plate.

4. Pull out the right end of the CR Scale towards the left direction from the rear of the
Carriage Unit.

Disassembly And Assembly Disassembling the Printer Mechanism 79

Figure 4-30. Phase Aligning

 Tighten the screws in the order shown in Figure 4-29.

Figure 4-31. Pulling out the CR Scale

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Left CR Shaft

Mounting Plate

Torsion Spring 24.7

Tab

Step 6-1

Step 6-2

Step 6-3

Foot 1

Notch

Tab

5. Remove the coil section of Torsion Spring 24.7 from the tab on the Left CR Shaft
Mounting Plate with tweezers.

Figure 4-32. Removing the Torsion Spring 24.7 (1)

6. Remove Torsion Spring 24.7 from the CR Scale by the following procedure:

6-1. Stand the coil section.
6-2. Lower the coil section downwards to remove Foot 1 from the notch on the

Left CR Shaft Mounting Plate.
6-3. Turn the coil section counterclockwise.
6-4. Remove Torsion Spring 24.7 from the hole on the CR Scale.

7. Turn the CR Scale 90º, and remove it from the tab on the Left CR Shaft Mounting
Plate.

Figure 4-34. Removing the CR Scale

Figure 4-33. Removing the Torsion Spring 24.7 (2)

Disassembly And Assembly Disassembling the Printer Mechanism 80

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CR Encoder

CR Scale

CR Scale

Black Mark

CR Scale

Hooked Portion

OK

NG

C A U T I O N

Hinge, Cover Cartridge

lower part

Hook

Ink Cartridge Cover

Hinge, Cover

Cartridge upper part

 Pass the CR Scale through the slot on the CR Encoder.

Figure 4-35. Reinstalling the CR Scale (1)

 Set the left end of the CR Scale with the black mark facing

upwards.

4.4.3 Printhead / CSIC Assy

So as not to damage the FFC, do not use any tools with the sharp
ends when removing the Cable Holder.

1. Remove the Upper Housing / Printer Cover. (p.72)

2. Release the Carriage Lock, and move the Carriage Unit to the center.

(Refer to 4.1.5 Locking/Releasing the Carriage (p.65).)

3. Open the Ink Cartridge Cover.

4. Cut the Hinge, Cover Cartridge with a nipper or a similar tool and remove the
upper part of the Hinge, Cover Cartridge.

5. Remove the Ink Cartridge Cover from the Carriage Unit.

6. Disengage the hook from the lower part of the Hinge, Cover Cartridge using a pair
of Tweezers and remove the lower part of the Hinge, Cover Cartridge.

Disassembly And Assembly Disassembling the Printer Mechanism 81

Figure 4-36. Reinstalling the CR Scale (2)

 Place the right end of the CR Scale correctly so that it is not

hooked onto the Right CR Shaft Mounting Plate.

Figure 4-37. Reinstalling the CR Scale (3)

Figure 4-38. Removing the Hinge, Cover Cartridge

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C H E C K

P O I N T

Hinge, Cover

Cartridge

Dowels

Ink Cartridge Cover

Installation holes

Cable Holder

Hook

Tabs

The Hinge, Cover Cartridge can not be removed without damaging
it. Whenever replacing the Printhead, the Hinge, Cover Cartridge
must be also replaced with a new one.

Figure 4-39. Hinge, Cover Cartridge

Engage the two dowels of the Ink Cartridge Cover with the
installation holes on the Carriage Unit and Hinge, Cover Cartridge
(one each).

7. Release the hook and two tabs of the Cable Holder, and remove the Cable Holder.

Figure 4-41. Removing the CSIC Assy (1)

Disassembly And Assembly Disassembling the Printer Mechanism 82

Figure 4-40. Reinstalling the Ink Cartridge Cover

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CN3

CN1

CN2

CN4

CR Relay Board

2) C.B.S. M3x6
(6±1 kgf.cm)

Hook

Hook

CSIC Assy

Hook Hook

CSIC Assy

8. Disconnect all the FFCs connected on the CR Relay Board.

 CN1: Printhead
 CN2: Printhead
 CN3: Main Board
 CN4: Main Board

Figure 4-42. Removing the CSIC Assy (2)

9. Remove the C.B.S. M3 x 6 screw that secure the CR Relay Board, and remove the
CR Relay Board from the Carriage Unit.

10. Release the two hooks; located on both the left side and the right side of the CSIC
Assy, and remove the CSIC Assy upward.

Disassembly And Assembly Disassembling the Printer Mechanism 83

Figure 4-43. Removing the CSIC Assy (3)

Figure 4-44. Removing the CSIC Assy (4)

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CSIC Assy

CSIC FFC

2 1

3

Printhead

7) C.B.P. M2.6x8
(3±0.5 kgf.cm)

connectors

Head FFCs

Printhead

Double-sided tape

Pad

11. Disconnect the CSIC FFC from the connector on the CSIC Assy, and remove the
CSIC Assy from the Carriage Unit.

Figure 4-45. Removing the CSIC Assy (5)

12. Remove the three C.B.P. M2.6 x 8 screws that secure the Printhead using the
Phillips Screw Driver, No.1, and vertically lift the Printhead to remove it.

13. Peel off the Head FFC from the Printhead.

14. Remove the two Head FFCs from the connectors of the Printhead.

Figure 4-47. Remove the Head FFC

 Confirm that the pad is attached at the position in Figure 4-48.

Figure 4-46. Removing the Printhead

Figure 4-48. Attaching the Pad

Disassembly And Assembly Disassembling the Printer Mechanism 84

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Guide pins

Positioning holes

CSIC FFC

Groove

A D J U S T M E N T

R E Q U I R E D

 The Printhead must be installed with its positioning holes

aligned with the guide pins of the Carriage Unit.

Figure 4-49. Reinstalling the Printhead (1)

 Tighten the screws in the order shown in Figure 4-46

After replacing or removing the Printhead, always make the required
adjustments referring to the following.

• “Chapter 5 Adjustment (p.128)”

 Route the CSIC FFC through the groove of the Carriage Unit.

Figure 4-50. Reinstalling the CSIC FFC

Disassembly And Assembly Disassembling the Printer Mechanism 85

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4

2

1

Step 2

Waste Ink Tube

Fastener

Joint Tube

3

1) C.B.P. M3x10
(6±1 kgf.cm)

Printer Mechanism

1) C.B.P. M3x10
(6±1 kgf.cm)

5

3) C.B.S. (P2) M3x10
(6±1 kgf.cm)

Left Rear

Shield Plate Holder

18) C.B.P. 3x12
(6±1 kgf.cm)

3) C.B.S. (P2) M3x10
(6±1 kgf.cm)

Right Rear

A

B

Step 3

Lower Housing

4.4.4 Lower Housing / Printer Mechanism

1. Remove the Upper Housing / Printer Cover. (p.72)

2. Grip both ends of the Waste Ink Tube Fasteners with your fingers, slide them in
the direction of the arrows, and pull out the Waste Ink Tube from the Joint Tube.

3. Remove the C.B.P. M3 x 12 screw and the C.B.S. (P2) M3 x 10 screw that secure
the Shield Plate Holder, and remove the Shield Plate Holder.

4. Remove the five screws (four C.B.P. M3 x 10 screws and one C.B.S. (P2) M3 x 10
screw) secure the Printer Mechanism.

Disassembly And Assembly Disassembling the Printer Mechanism 86

Figure 4-51. Screws that Secure the Printer Mechanism

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C A U T I O N

Holding Positions

Right Rear

Left Rear

Positioning hole

and guide pin

Positioning hole

and guide pin

Groove

Waste Ink Tube

Ink Tube

When performing the following step, make sure to grasp the Printer
Mechanism by the specified positions shown below. Otherwise, the
frames may become deformed.

Figure 4-52. Handling the Printer Mechanism

5. Lift the Printer Mechanism grasping it by the holding positions with your hands,
and remove it from the Lower Housing.

2. Place the

Printer Mechanism

on the Lower Housing and
secure the Shield Plate Holder and the Printer Mechanism
with the screw (A).

3. Verify the Printer Mechanism and Lower Housing are
tightly engaged (no rattling), and then secure the Shield Plate
Holder to the Lower Housing.

4. Secure the Printer Mechanism and Lower Housing with
screws (x5). (Tighten the screws in the order shown in Figure

4-51)

5. Secure the electrode cable to the Front Paper Guide with the
screw.

 Route the Ink Tube and the Waste Ink Tube through the three

grooves of the Lower Housing.

 Install the Printer Mechanism to the Lower Housing as follows.

(refer to Figure 4-51)

1. Align the two guide pins with the positioning holes as shown
below.

Figure 4-53. Reinstalling the Printer Mechanism

Figure 4-54. Reinstalling the Waste Ink Tube

Disassembly And Assembly Disassembling the Printer Mechanism 87

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A D J U S T M E N T

R E Q U I R E D

Label, Ink Position

25 mm

1mm ± 1mm

C H E C K

P O I N T

Parallelism Adjust Bushing (Left)

Mark the position of the rib

Parallelism Adjust Bushing (Right)

Mark the position of the rib

PG Cam (Right)

 Attach the Label, Ink Position (parts code: 1510078) at the

position in the figure below.

Figure 4-55. Attaching the Label, Ink Position

After replacing the Printer Mechanism, always make the required
adjustments referring to the following.

• “Chapter 5 Adjustment (p.128)”

4.4.5 Carriage Shaft / Carriage Unit

When only removing the Carriage Shaft, you do not need to
perform "5.3.2 PG Adjustment (p143)". In that case, mark the
position of the rib on the Parallelism Adjust Bushing (Left/Right)
before removing them, and make sure to align the markings with
the ribs when installing them.

Figure 4-56. Marking Position

1. Remove the Printhead / CSIC Assy. (p.81)

2. Remove the CR Scale. (p.79)

3. Remove the APG Assy. (p.78)

4. Rotate the PG Cam (Right) to adjust its positions other than PG++ downside.

Disassembly And Assembly Disassembling the Printer Mechanism 88

Figure 4-57. Adjusting the PG Cam

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1

2

2) C.B.S. M3x6
(8±1 kgf.cm)

Tab

Tabs

Left Frame Support Plate

Paper EJ Frame Assy

Notch

Left PG Torsion Spring

Tab A

Tab B

Right PG Torsion Spring

Tab A

Tab B

5. Remove the two C.B.S. M3 x 6 screws that secure the Frame Support Plate (Left),
and remove it.

Figure 4-58. Removing the Left Frame Support Plate

 Insert the Left Frame Support Plate into the notch on the Main

Frame. See Figure 4-58 (p.89)

 Align the two tabs on the Main Frame and the tab on the Paper

EJ Frame Assy with the three positioning holes on the Frame
Support Plate (Left). See Figure 4-58 (p.89)



Align the tab (rear side) of the Left Frame Support Plate with the
outside of the Left CR Shaft Mounting Plate. See Figure 4-58

(p.89)

 Tighten the screws in the order shown in Figure 4-58

6. Remove the foot of Left PG Torsion Spring from tab A, and remove the coil
section from tab B to remove Left PG Torsion Spring from the Main Frame.

Figure 4-59. Removing the Left PG Torsion Spring

7. Remove the foot of Right PG Torsion Spring from tab A, and remove the coil
section from tab B to remove the Right PG Torsion Spring from the Main Frame.

Figure 4-60. Removing the Right PG Torsion Spring

Disassembly And Assembly Disassembling the Printer Mechanism 89

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Foot

Left Side

Foot

Right Side

Tab

CR Shaft Mounting Plate Fixed Spring

Notch

Notch (rear side)

Tabs

Extension spring for the

Driven Pulley Holder

Driven Pulley Holder

Driven Pulley

Driven Pulley Holder

Place the feet of Left PG Torsion Spring and Right PG Torsion
Spring on the Carriage Shaft.

Figure 4-61. Reinstalling PG Torsion Springs

8. Remove CR Shaft Mounting Plate Fixed Spring from the tab and notch on the
Main Frame, and pull out the spring in the direction of the arrow.

9. Remove the extension spring for the Driven Pulley Holder from the Main Frame
and the tab on the Drive Pulley Holder with needle-nose pliers.

Figure 4-63. Removing the Extension Spring for the Driven Pulley Holder

10. Slide Driven Pulley Holder to the right end of the notch on the Main Frame, and
Remove the Driven Pulley Holder toward you.

Disassembly And Assembly Disassembling the Printer Mechanism 90

Figure 4-62. Removing CR Shaft Mounting Plate Fixed Spring

Insert the foot of CR Shaft Mounting Plate Fixed Spring into the
notch on the Main Frame (rear side). (See Figure 4-62 (p.90))

Figure 4-64. Removing the Driven Pulley Holder

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CR Drive Belt

CR Motor Pinion Gear

4 3 2

1

8) C.B.S. (P4) M3x6
(8±1 kgf.cm)

8) C.B.S. (P4) M3x6
(8±1 kgf.cm)

CR Guide Plate

Tabs

6) C.B.S. (P4) M3x8
(5±1 kgf.cm)

Left PG Cam

Flag of the Parallelism Adjust Bushing (Left)

Left CR Shaft

Mounting Plate

Tab

11. Remove the CR Drive Belt from the CR Motor Pinion Gear.

Figure 4-65. Removing the CR Drive Belt

12. Remove the four C.B.S. (P4) M3 x 6 screws that secure the CR Guide Plate, and
remove it from the Main Frame.

13. Loosen the C.B.S. (P4) M3 x 8 screw that secures the Left Parallelism Adjust
Bushing, and rotate the Bushing toward the front of the Printer Mechanism to
prevent interference between the Flag of the Parallelism Adjust Bushing and the
Left PG Cam.

Figure 4-67. Rotating the Left Parallelism Adjust Bushing

14. Slide the Left CR Shaft Mounting Plate upwards, and release the tab on the Left
CR Shaft Mounting Plate from the notch on the Main Frame to rotate the
Mounting Plate toward you.

Figure 4-66. Removing the CR Guide Plate

 Align the positioning holes on the CR Guide Plate with the

seven tabs on the Main Frame. See Figure 4-66 (p.91)

 Tighten the screws in the order shown in Figure 4-66.

Figure 4-68. Rotating the Left CR Shaft Mounting Plate

Disassembly And Assembly Disassembling the Printer Mechanism 91

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Carriage

Shaft

Carriage Shaft Spacer

Left CR Shaft

Mounting Plate

Bushing

Spacer

PG Cam (Left)

Hole on Main

Frame

Spacer

Right PG Cam

15. Lift the Carriage Shaft upwards, and remove the Carriage Shaft Spacer from the
Carriage Shaft with tweezers.

Figure 4-69. Removing the Carriage Shaft Spacer

16. Rotate the Left CR Shaft Mounting Plate toward you to remove the Bushing on the
Left CR Shaft Mounting Plate from the Carriage Shaft.

17. Lift the Carriage Shaft within the hole on the Main Frame, and remove the Spacer
and Left PG Cam from the Carriage Shaft.

Figure 4-71. Removing Left PG Cam

18. Remove the Spacer and Right PG Cam from the Carriage Shaft.

Figure 4-70. Removing the Left CR Shaft Mounting Plate

Disassembly And Assembly Disassembling the Printer Mechanism 92

Figure 4-72. Removing Right PG Cam

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Right CR Shaft
Mounting Plate

Tabs

C A U T I O N

Carriage Unit

Carriage Shaft

Point of

Interference

CR Scale Cover

1

2

3

Install the Right PG Cam so that one of these positions marked “0”,
“+” or “++” faces downward.

Figure 4-73. Right PG Cam Installation Direction

19. Pull the Right CR Shaft Mounting Plate away from the tab on the Main Frame and
rotate toward you.

When performing the following procedure, take care not to scratch
the Carriage Shaft.

20. Slide the Carriage Unit to the left side to prevent the CR Scale Cover from
interfering with the rear of the Carriage Unit, slide the Carriage Shaft to the left
side and pull out its right end from the Main Frame, and pull out the Carriage Shaft
from the Main Frame and Carriage Unit.

Figure 4-74. Rotating the Right CR Shaft Mounting Plate

Figure 4-75. Removing the Carriage Shaft

Disassembly And Assembly Disassembling the Printer Mechanism 93

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Leaf spring

Plain spring

Carriage Shaft

Left Side Right

Side

Longer

Shorter

Holes

Bottom Side

Ink Guide

Hook

Ink Guide

Cross-section

Tab

 Set the longer end of the Carriage Shaft to the left side.

 When the Carriage Shaft is removed, the Plain spring and Leaf

spring that are attached to the right end of the Carriage Shaft
may drop off. In such case, be sure to attach them in the order
as shown in the figure below.

Figure 4-76. Reinstalling the Carriage Shaft

21. Insert the flathead screwdriver and such to the two holes of the Carriage Unit, and
release the two tabs of the Ink Guide from the two hooks of the Carriage Unit, and
then remove the Ink Guide upward.

Disassembly And Assembly Disassembling the Printer Mechanism 94

Figure 4-77. Removing the Ink Guide

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Belt Holder Mounting

Plate

Belt Holder

Tabs

CR Encoder Board Holder

22. Turn the Belt Holder Mounting Plate in the direction of the arrow, and remove it
from the Carriage Unit.

Figure 4-78. Removing the Belt Holder Mounting Plate

23. Remove the Belt Holder from the Carriage unit.

24. Release the CR Encoder Board Holder from the three Tabs to remove it from the
Carriage Unit.

Figure 4-80. Removing the Belt Holder

Figure 4-79. Removing the Belt Holder

Disassembly And Assembly Disassembling the Printer Mechanism 95

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A D J U S T M E N T

R E Q U I R E D

A D J U S T M E N T

R E Q U I R E D

CR Encoder Board

Sensor FFC

Relay

connector

Relay

connector

cable

Earth cables

5) C.B.S. M3x8
(8±1 kgf.cm)

ASF Motor

ASF Assy

25. Disconnect the Sensor FFC from the connector on the CR Encoder Board, pull out
the Sensor FFC from the Carriage Unit, and remove the Carriage Unit.

Figure 4-81. Removing the Carriage Unit

After replacing or removing the Carriage Shaft and Carriage Unit,
always make the required adjustments referring to the following.

• “Chapter 5 Adjustment (p.128)”

4.4.6 ASF Assy

1. Remove the Upper Housing Support Assy. (p.74)

2. Remove the C.B.S. M3 x 8 screw that secures the Earth cables on the right rear
side of the printer, and remove the Earth cables.

3. Disconnect the ASF Motor connector from the Relay connector.

4. Disconnect the Relay connector cable from the ASF Assy.

After replacing or removing the Carriage Shaft and Carriage Unit,

Figure 4-82. Releasing the Cables (1)

be sure to perform the required lubrication referring to below.

• “Chapter 6 Maintenance (p.152)”

 Secure the two Earth cables together with the screw.
 Referring to Figure 4-82, correctly route the Relay connector

Disassembly And Assembly Disassembling the Printer Mechanism 96

cable.

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Double-

sided
tapes

PF Encoder Sensor FFC

PE Sensor cable

Groove

Relay Board

Main Board

Acetate tape

APG Motor cable

C H E C K

P O I N T

Front

Face

17) C.B. M3x6
(8±1 kgf.cm)

Guide pin

Tab

LD Roller Shaft

Guide Roller LD

Guide Roller LD

5. Disconnect all the cables and the FFCs from the connectors on the Relay Board.

 CN1 : Relay FFC
 CN2 : PE Sensor cable
 CN6 : PF Encoder Sensor FFC

6. Peel off the acetate tape, and disconnect all the FFCs from the connectors on the
Main Board, and release it from the groove on the ASF Assy.

7. Remove the APG Motor cable and PE Sensor cable from the ASF Assy.

8. Peel off the PF Encoder FFC secured by two pieces of double-sided adhesive tape
from the ASF Assy.

When only removing the ASF Assy, you do not need to perform

"5.3.5 ASF Guide Roller LDs Position Adjustment (p150)". In that

case, mark the installing positions of the Guide Roller LDs before
removing them, and make sure to align the markings when
installing the Guide Roller LDs.

Figure 4-84. Marking Position

9. Remove the two C.B. M3 x 6 screws that secure the two Guide Roller LDs.

10. Gently pull the LD Roller Shaft to the rear of the printer, and remove the Guide
Roller LDs.

Figure 4-83. Releasing the Cables (2)

Referring to Figure 4-83, correctly route each of the cables and
FFCs.

Figure 4-85. Removing the Guide Roller LD

Disassembly And Assembly Disassembling the Printer Mechanism 97

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2

1

6) C.B.S. (P4) M3x8
(6±1 kgf.cm)

ASF Assy

6) C.B.S. (P4) M3x8
(6±1 kgf.cm)

34

Tab

Tab

Guide pins

Tab

Tab

Align the guide pins and tabs on the Guide Roller LDs with the
positioning holes on the Main Frame. (Refer to Figure 4-85.)

11. Remove the three C.B.S. (P4) M3 x 8 screws that secure the ASF Assy, and
remove the ASF Assy from the Printer Mechanism.

 Align the guide pin and four Tabs on the ASF Assy with the

positioning holes on the Main Frame so that there is no gap
between the ASF Assy and the Main Frame.

Disassembly And Assembly Disassembling the Printer Mechanism 98

Figure 4-86. Removing the ASF Assy

Figure 4-87. Reinstalling the ASF Assy

 Tighten the screws in the order shown in Figure 4-86.

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A D J U S T M E N T

R E Q U I R E D

C H E C K

P O I N T

Combination Gear 29.11

LD Spur Gear

Tab

After replacing or removing the ASF Assy, always make the required
adjustments referring to the following.

• “Chapter 5 Adjustment (p.128)”

4.4.7 LD Roller

When replacing the LD Roller, replace the Retard Roller Assy
together with the LD Roller. (Refer to 4.4.8 Retard Roller Assy

(p.101).)

1. Remove the ASF Assy. (p.96)

2. Remove the ASF Motor. (p.123)

3. Remove the Combination Gear 29,11 from the ASF Assy.

4. Release the tab that secure the LD Spur Gear, and remove the LD Spur Gear from
the LD Roller Shaft.

Figure 4-88. Removing the LD Roller (1)

Disassembly And Assembly Disassembling the Printer Mechanism 99

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Inside

LD Roller Shaft

Tabs

ASF Sensor Flag

ASF Support Plate

4) C.B.P. M3x8
(6±1 kgf.cm)

Bottom side

LD Roller

LD Roller Shaft

Hole

5. Release the two tabs that secure the ASF Sensor Flag from the inside of the ASF
Assy, and remove the ASF Sensor Flag from the LD Roller Shaft.

Figure 4-89. Removing the LD Roller (2)

6. Remove the C.B.P. M3 x 8 screw that secure the ASF Support Plate from the
bottom side of the ASF Assy, and remove the ASF Support Plate from the ASF
Assy.

7. While bending the LD Roller Shaft slightly, detach it from the shaft hole on the
left side of the ASF Assy, and remove the LD Roller Shaft.

8. Remove the LD Roller from the LD Roller Shaft.

Figure 4-91. Removing the LD Roller (4)

Figure 4-90. Removing the LD Roller (3)

Disassembly And Assembly Disassembling the Printer Mechanism 100

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