Epson Perfection 1200 Service Manual

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Epson Perfection 1200 Service Manual

Text of Epson Perfection 1200 Service Manual

  • EPSON Perfection 1200U (USB) 1200S (SCSI) Perfection 1200PHOTO (USB)

    Color Image Scanner

    SESC99-006

  • itted in any form or by any means, SEIKO EPSON CORPORATION.

    y errors be detected, SEIKO EPSON

    rors in this manual or the consequences

    marks or registered trademarks of their Notice: All rights reserved. No part of this manual may be reproduced, stored in a retrieval system, or transm

    electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of

    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 an

    would greatly appreciate being informed of them.

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

    EPSON is a registered trademark of SEIKO EPSON CORPORATION.

    General 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.

    Copyright 1999 SEIKO EPSON CORPORATION. Printed in Japan.

  • Prec quipment.

    The e procedures.

    1. PERFORMING ANY MAINTENANCE

    2. TY MEASURES AS DICTATED FOR

    3. IT TO A POWER SOURCE UNTIL EME CAUTION IN WORKING ON

    1. IR TECHNICIAN.2. ON THE SERIAL NUMBER/RATING

    WER SOURCE, DO NOT CONNECT IT

    3. OURCE BEFORE REMOVING OR

    4. RGE EQUIPMENT, SUCH AS ANTI-

    5. ACTURE; INTRODUCTION OF AND VOID ANY APPLICABLE EPSON

    W A which, if ignored, could result ent.PRECAUTIONSautionary notations throughout the text are categorized relative to 1)Personal injury and 2) damage to e

    precautionary measures itemized below should always be observed when performing repair/maintenanc

    DANGERALWAYS DISCONNECT THE PRODUCT FROM THE POWER SOURCE AND PERIPHERAL DEVICESOR REPAIR PROCEDURES.NOWORK SHOULD BE PERFORMED ON THE UNIT BY PERSONS UNFAMILIAR WITH BASIC SAFEALL ELECTRONICS TECHNICIANS IN THEIR LINE OF WORK.WHEN PERFORMING TESTING AS DICTATED WITHIN THIS MANUAL, DO NOT CONNECT THE UNINSTRUCTED TO DO SO. WHEN THE POWER SUPPLY CABLE MUST BE CONNECTED, USE EXTRPOWER SUPPLY AND OTHER ELECTRONIC COMPONENTS.

    WARNINGREPAIRS ON EPSON PRODUCT SHOULD BE PERFORMED ONLY BY AN EPSON CERTIFIED REPAMAKE CERTAIN THAT THE SOURCE VOLTAGES IS THE SAME AS THE RATED VOLTAGE, LISTEDPLATE. IF THE EPSON PRODUCT HAS A PRIMARY AC RATING DIFFERENT FROM AVAILABLE POTO THE POWER SOURCE.ALWAYS VERIFY THAT THE EPSON PRODUCT HAS BEEN DISCONNECTED FROM THE POWER SREPLACING PRINTED CIRCUIT BOARDS AND/OR INDIVIDUAL CHIPS.IN ORDER TO PROTECT SENSITIVE MICROPROCESSORS AND CIRCUITRY, USE STATIC DISCHASTATIC WRIST STRAPS, WHEN ACCESSING INTERNAL COMPONENTS.REPLACE MALFUNCTIONING COMPONENTS ONLY WITH THOSE COMPONENTS BY THE MANUFSECOND-SOURCE ICs OR OTHER NONAPPROVED COMPONENTS MAY DAMAGE THE PRODUCTWARRANTY.

    R N I N G Signals a precaution which, if ignored, could result in serious or fatal personal injury. Great caution should be exercised in performing procedures preceded by a WARNING heading.

    C A U T I O N Signals a precautionin damage to equipm

  • This ir procedures of Perfection1200U/S and Perf repair technicians, and attention should be g

    uct.

    the PREFACE manual describes basic functions, theory of electrical and mechanical operations, maintenance and repaection 1200 PHOTO. The instructions and procedures included herein are intended for the experienced iven to the precautions on the preceding page. The chapters are organized as follows:

    CHAPTER 1. PRODUCT DESCRIPTIONSProvides a general overview and specifications of the product.

    CHAPTER 2. OPERATING PRINCIPLESDescribes the theory of electrical and mechanical operations of the prod

    CHAPTER 3. TROUBLESHOOTINGProvides the step-by-step procedures for troubleshooting.

    CHAPTER 4. DISASSEMBLY AND ASSEMBLYDescribes the step-by-step procedures for disassembling and assemblingproduct.

    CHAPTER 5. FIRMWARE UPDATEProvides methods for updating the firmware.

    CHAPTER 6. MAINTENANCEProvides preventive maintenance procedures.

    APPENDIXProvides the following addition information for reference:- Connector Pin Assignments- Parts lists- Exploded Diagrams

  • exploded diagrams Revision StatusRevision Issued Date Description

    A July 8, 1999 First Release

    B September 2, 1999 Chapter 5 has been modified, and parts lists andadded to Appendix.

  • EP Revision B

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    ................................................................ 34

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    ................................................................ 36emoval ................................................... 37................................................................ 39

    oval ...................................................... 44................................................................ 46................................................................ 50................................................................ 52

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    ................................................................ 55am.......................................................... 55................................................................ 55

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    ................................................................ 75SON Perfection1200

    Table of Contentsduct Descriptionures ......................................................................................................... 9uct Description ...................................................................................... 10face Specification .................................................................................. 12CSI Interface ......................................................................................... 12SB Interface .......................................................................................... 14

    trol Code ................................................................................................ 15rior Function .......................................................................................... 16witch Specification ................................................................................ 16dicators................................................................................................. 16ess when an error happens................................................................... 17

    rating Principlesne Mechanism....................................................................................... 19arriage Unit ........................................................................................... 19arriage Move Mechanism ..................................................................... 20er Supply Circuit .................................................................................... 21trol Circuit............................................................................................... 23ontrol Circuit Overview.......................................................................... 23

    ubleshootingrview....................................................................................................... 27Diagnostic Function............................................................................... 27bleshooting............................................................................................ 28

    ssembly and Assemblyrview....................................................................................................... 32recaution ............................................................................................... 32ools........................................................................................................ 32crews..................................................................................................... 32ssembly Procedures.............................................................................. 34

    Carriage Lock Release............Document Cover Removal ......Upper Cover Removal.............Inverter Lamp/Inverter Board RCarriage Unit Removal ............Carriage Motor/Timing Belt RemMain Board Removal...............Panel Board Removal .............Power Supply Board Removal

    Firmware UpdateFirmware Update..........................

    Operating Environment for the Update Program............Installation of the Update ProgrUpdating Method.....................

    MaintenanceOverview ......................................

    Cleaning