EPSON Perfection 3200 PhotoColor Image Scanner

SESC02-003

SERVICE MANUAL

d in any form or by any means electronic, RATION.

errors be detected, SEIKO EPSON would

rs in this manual or the consequences

EP

G marks or registered trademarks of their

Co NoticeAll rights reserved. No part of this manual may be reproduced, stored in a retrieval system, or transmittemechanical, photocopying, or otherwise, without the prior written permission of SEIKO EPSON CORPO

All effort have been made to ensure the accuracy of the contents of this manual. However, should any greatly appreciate being informed of them.

The contents of this manual are subject to change without notice.

The above not withstanding SEIKO EPSON CORPORATION can assume no responsibility for any errothereof.

SON is a registered trademark of SEIKO EPSON CORPORATION.

eneral Notice: Other product names used herein are for identification purpose only and may be traderespective owners. EPSON disclaims any and all rights in those marks.

pyright 2001 SEIKO EPSON CORPORATION. Imaging & Information Product Division TPCS Quality Assurance Center TPCS Department

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DA ion should be exercised in performing

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Th ures.

1. MAINTENANCE OR REPAIR PROCEDURES.

2. DICTATED FOR ALL ELECTRONICS

3. URCE UNTIL INSTRUCTED TO DO SO. WHEN ND OTHER ELECTRONIC COMPONENTS.

4. METAL PARTS WITH SHARP EDGES.

1.

2. MBER/RATING PLATE. IF THE EPSON HE POWER SOURCE.

3. EMOVING OR REPLACING PRINTED CIRCUIT

4. SUCH AS ANTI-STATIC WRIST STRAPS, WHEN

5. URED BY EPSON. IF SECOND SOURCE IC OR SON PRODUCT, OR COULD VOID THE PRECAUTIONSecautionary notations throughout the text are categorized relative to 1)Personal injury and 2) damage to equipment

NGER Signals a precaution which, if ignored, could result in serious or fatal personal injury. Great cautprocedures preceded by DANGER Headings.

ARNING Signals a precaution which, if ignored, could result in damage to equipment.

e precautionary measures itemized below should always be observed when performing repair/maintenance procedDANGER

ALWAYS DISCONNECT THE PRODUCT FROM THE POWER SOURCE AND PERIPHERAL DEVICES PERFORMING ANY

NO WORK SHOULD BE PERFORMED ON THE UNIT BY PERSONS UNFAMILIAR WITH BASIC SAFETY MEASURES ASTECHNICIANS IN THEIR LINE OF WORK.

WHEN PERFORMING TESTING AS DICTATED WITHIN THIS MANUAL, DO NOT CONNECT THE UNIT TO A POWER SOTHE POWER SUPPLY CABLE MUST BE CONNECTED, USE EXTREME CAUTION IN WORKING ON POWER SUPPLY A

WHEN DISASSEMBLING OR ASSEMBLING A PRODUCT, MAKE SURE TO WEAR GLOVES TO AVOID INJURIER FROM

WARNINGREPAIRS ON EPSON PRODUCT SHOULD BE PERFORMED ONLY BY AN EPSON CERTIFIED REPAIR TECHNICIAN.

MAKE CERTAIN THAT THE SOURCE VOLTAGES IS THE SAME AS THE RATED VOLTAGE, LISTED ON THE SERIAL NUPRODUCT HAS A PRIMARY AC RATING DIFFERENT FROM AVAILABLE POWER SOURCE, DO NOT CONNECT IT TO T

ALWAYS VERIFY THAT THE EPSON PRODUCT HAS BEEN DISCONNECTED FROM THE POWER SOURCE BEFORE RBOARDS AND/OR INDIVIDUAL CHIPS.

IN ORDER TO PROTECT SENSITIVE MICROPROCESSORS AND CIRCUITRY, USE STATIC DISCHARGE EQUIPMENT, ACCESSING INTERNAL COMPONENTS.

DO NOT REPLACE IMPERFECTLY FUNCTIONING COMPONENTS WITH COMPONENTS WHICH ARE NOT MANUFACTOTHER COMPONENTS WHICH HAVE NOT BEEN APPROVED ARE USED, THEY COULD CAUSE DAMAGE TO THE EPWARRANTY OFFERED BY EPSON.

Th ures of the printer. The instructions and pr recautions on the preceding page.

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oughout this manual either to provide ecific topic or to warn of possible danger r an action. Be aware of all symbols when ad NOTE, CAUTION, or WARNING

ating or maintenance procedure, practice s necessary to keep the products quality.

ating or maintenance procedure, practice, if not strictly observed, could result in struction of, equipment.

perating or maintenance procedure, on that is necessary to accomplish a task also provide additional information that is ic subject, or comment on the results a previous action.

ating or maintenance procedure, practice f not strictly observed, could result in injury

rticular task must be carried out tain standard after disassembly and ly, otherwise the quality of the estion may be adversely affected.About This Manualis manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair proced

ocedures included herein are intended for the experienced repair technicians, and attention should be given to the p

Manual Configuration

is manual consists of six chapters and Appendix.APTER 1. PRODUCT DESCRIPTIONS

Provides a general overview and specifications of the product.

APTER 2. OPERATING PRINCIPLESDescribes the theory of electrical and mechanical operations of the product.

APTER 3. TROUBLESHOOTINGDescribes the step-by-step procedures for the troubleshooting.

APTER 4. DISASSEMBLY AND ASSEMBLYDescribes the step-by-step procedures for disassembling and assembling the product.

APTER 5. ADJUSTMENTProvides Epson-approved methods for adjustment.

APTER 6. MAINTENANCEProvides preventive maintenance procedures and the lists of Epson-approved lubricants and adhesives required for servicing the product.

PENDIX Provides the following additional information for reference: Circuit board connection and connector signal layouts Electrical circuit component layout diagrams Electrical circuit diagrams General disassembly diagrams and parts list

Symbols Used in th

Various symbols are used thradditional information on a sppresent during a procedure othey are used, and always remessages.

Indicates an operor condition that i

Indicates an operor condition that, damage to, or de

May indicate an opractice or conditiefficiently. It may related to a specifachieved through

Indicates an operor condition that, ior loss of life.

Indicates that a paaccording to a cerbefore re-assembcomponents in qu

Revision Status

Revision Issued Date DescriptionA November 18 , 2002 First Release

EPSON Perfection 3200 Photo Revision A

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................................................................... 54Contentsoduct Description

atures ......................................................................................................... 4sic specifications ........................................................................................ 5

terface Specification .................................................................................... 8IEEE-1394 ................................................................................................. 8USB 2.0 specifications .............................................................................. 9

ternal specifications.................................................................................. 10Switch Specification ................................................................................ 10Indicators................................................................................................. 10ntrol Code ................................................................................................ 12ocess when an error happens................................................................... 13cument area ............................................................................................. 14Reflective Documents ............................................................................. 14Transparenct Documents ........................................................................ 14ergy Save Mode ....................................................................................... 15Mode transitions .....................................................