Epson B 1100 Service Manual

							WorkForce 1100
Epson Stylus Office T1110
Epson Stylus Office B1100
Epson Stylus Office T1100
Epson ME Office 1100
Color Inkjet Printer
SEIJ09-003
SERVICE MANUAL
Confidential 
						

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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 © 2010 SEIKO EPSON CORPORATION. 
IJP CS Quality Assurance Department 
						

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PRECAUTIONS
Precautionary notations throughout the text are categorized relative to 1)Personal injury and 2) damage to equipment.
DANGERSignals 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.
WARNINGSignals 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 Epson-
approved lubricants and adhesives required for servicing the product.
APPENDIXProvides 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
RevisionDate of IssueDescription
A August 7, 2009 First Release
B August 3, 2010Modified the following figures.
Chapter 4
4.4.1 APG Assy (p78)
4-28 Disconnecting the Cables (p78)  
4.4.6 ASF Assy (p96)
4-83 Releasing the Cables (2) (p97) 
4.4.9 Front Paper Guide Pad (p103)
4-99 Reinstalling the Front Paper Guide Pad (1) (p103)  
 Disassembling THE FRONT PAPER GUIDE PAD TRAY (p112)
4-132 Checking the Front Paper Guide Pad (p114) 
C August 27, 2010Modified the following figures in the table.
Chapter 3
3.1.1 Troubleshooting according to Error Messages (p30)
3-11 Troubleshooting of Fatal Error (p41)  
(p44) Check Point 2,  (p46) Check Point 1
Modified the following figure.
Chapter 4
4.5.2 PF Motor (p122)
4-152 Removing the PF Motor (p122)   
						

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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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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 .............................  1465.3.4 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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CHAPTER
1
PRODUCT DESCRIPTION 
						

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Product Description Features 9
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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)
Figure 1-1.  External View
Paper Support & Stacker are Closed
Paper Support & Stacker are Opened 
						

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Product Description Printing Specifications 10
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1.2  Printing Specifications
1.2.1  Basic Specifications1.2.2  Ink Cartridge 
The product numbers of the EPSON ink cartridges for this printer are shown below.
Shelf life
Two years from production date (if unopened), six months after opening package.
Storage Temperature
Dimension 
12.7 mm (W) x 68 mm (D) x 47 mm (H) Table 1-1.  Printer Specifications
ItemSpecifications
Print method On-demand ink jet
Nozzle configuration Black: 180 nozzles x 2
Color: 59 nozzles x 3
 (Cyan, Magenta, Yellow)
Print directionBi-directional minimum distance printing, unidirectional printing
Print resolution Horizontal x Vertical (dpi)
• 360 x 180 • 1440 x 720
• 360 x 360 • 720 x 1440
• 360 x 720 • 5760 x 1440
• 720 x 720
Control code• ESC/P Raster command
• EPSON Remote command
Input buffer sizeT.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
Table 1-2.  Product No. of Ink Cartridges
ColorEAILatinEuroCISMEA/
AsiaECC
BlackT0681 (S)
T0691 (2S)T1151 (S) T0711H (S) T0731H (S)T1191 (S)
T1091(2S)
CyanT0682 (2S)
T0692
 (3S)T1032 (S) T1002 (S) T1032 (S)T1232 (S)
T1092 (2S)
MagentaT0683 (2S)
T0693
 (3S)T1033 (S) T1003 (S) T1033 (S)T1233 (S)
T1093 (2S)
YellowT0684 (2S)
T0694
 (3S)T1034 (S) T1004 (S) T1034 (S)T1234 (S)
T1094 (2S)
Table 1-3.  Storage Temperature
SituationStorage TemperatureLimit
When stored in individual boxes-20 
oC to 40 oC
(-4oF to 104oF)
1 month max. at 40 oC (104oF)
When installed in main unit-20 oC to 40 oC
(-4
oF to 104oF)
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 (77oF) until the ink thaws and 
becomes usable.