Epson 1250 - Perfection Photo Flatbed Scanner Service Manual

EPSON Perfection 1250/1250 PHOTOColor Image ScannerTM-PERF1250Printed in U.S.A.®Service Manual

EPSON Perfection 1250/1250 PHOTO10

CHAPTER1PRODUCT BASICS

EPSON Perfection 1250/1250 PHOTO Product Basics131.1 FeaturesThere are two EPSON Perfection 1250 models: the 1250 and the 1250 PHOTO. The Perfection

EPSON Perfection 1250/1250 PHOTO Product Basics14Indicator Lights!Ready (green)Lit when the scanner is ready to receive commands. Flashes when data is

CHAPTER2TECHNICAL OVERVIEW

EPSON Perfection 1250/1250 PHOTO Technical Overview172.1 Basic OperationThis chapter describes the basic operation of the Perfection 1250/1250 PHOTO

EPSON Perfection 1250/1250 PHOTO Technical Overview182.1.2 Carriage Mechanism To generate an image, the document is scanned in the main scanning dire

EPSON Perfection 1250/1250 PHOTO Technical Overview192.2 Control Circuit OverviewThe scanner uses a single-chip, 16-bit bus CPU (IC16) which has a tr

EPSON Perfection 1250/1250 PHOTO Technical Overview20Figure 2-5. Control Circuit Block DiagramMAIN

CHAPTER3TROUBLESHOOTING

EPSON Perfection 1250/1250 PHOTO Troubleshooting233.1 OverviewFollow these steps to troubleshoot the scanner:1. Run a scan through the user interface

EPSON Perfection 1250/1250 PHOTO Troubleshooting243.3 Scanner Self-DiagnosticsWhen an error occurs, the scanner uses its Error and Ready indicator li

EPSON Perfection 1250/1250 PHOTO Troubleshooting25SCANNER DOESN’T INITIALIZEWhen the scanner is powered up and connected to a computer with the driver

EPSON Perfection 1250/1250 PHOTO Troubleshooting26SCANNER DOESN’T RECEIVE DATA FROM COMPUTERIf the scanner doesn’t seem to receive data, check the fol

CHAPTER4DISASSEMBLY & ASSEMBLY

EPSON Perfection 1250/1250 PHOTO Disassembly and Assembly294.1 OverviewFollow the steps in this chapter to disassemble and assemble the scanner. Unle

EPSON Perfection 1250/1250 PHOTO Color Flatbed ScannerService Manual

EPSON Perfection 1250/1250 PHOTO Disassembly and Assembly304.1.2 ScrewsSee the tables below if you’ve forgotten where to put a particular screw. Scre

EPSON Perfection 1250/1250 PHOTO Disassembly and Assembly314.2.2 Document Cover 1. Open the document cover.2. Holding it by its edges, lift the docum

EPSON Perfection 1250/1250 PHOTO Disassembly and Assembly32Figure 4-6. Upper Cover Removal - Disengage HooksFigure 4-7. View With Upper Cover Remove

EPSON Perfection 1250/1250 PHOTO Disassembly and Assembly33Figure 4-9. Carriage Assembly Removal (2)Figure 4-10. Timing Belt Removal When attaching

EPSON Perfection 1250/1250 PHOTO Disassembly and Assembly344.2.5 Motor CR/Timing Belt RemovalPreparation: "Remove the document cover as describe

EPSON Perfection 1250/1250 PHOTO Disassembly and Assembly35Figure 4-14. Timing Belt RemovalFigure 4-15. CR Motor Unit4.2.6 Main Circuit Board Remov

EPSON Perfection 1250/1250 PHOTO Disassembly and Assembly36Figure 4-17. Main Circuit Board Removal4.2.7 Control Panel Board RemovalPreparation: &quo

EPSON Perfection 1250/1250 PHOTO Disassembly and Assembly37Figure 4-19. Control Panel Board Removal ConnectorControl Panel Board

EPSON Perfection 1250/1250 PHOTO Disassembly and Assembly38

CHAPTER5MAINTENANCE

EPSON Perfection 1250/1250 PHOTO4Copyright Notice 2001 Epson America, Inc.3480 Kilroy Airport Way, Long Beach CA, 90806-2469All rights reserved. No p

EPSON Perfection 1250/1250 PHOTO Maintenance415.1 OverviewPerform cleaning when dirt is noticeable or affects the quality of scanned images.!Document

EPSON Perfection 1250/1250 PHOTO Maintenance42Figure 5-2. Lubrication PointFigure 5-3. Lubrication PointTensioning Pully ShaftCR Shaft

CHAPTER6APPENDIX

EPSON Perfection 1250/1250 PHOTO Appendix456.1 SpecificationsThis chapter provides additional information that may be useful when servicing the scann

EPSON Perfection 1250/1250 PHOTO Appendix46Figure 6-1. Scanner Dimensions6.1.2 Basic TPU specificationsLight source White cold-cathode fluorescent l

EPSON Perfection 1250/1250 PHOTO Appendix47TPU electrical characteristics"Rated input voltage 15 V DC"Rated power supply Operation: Average

EPSON Perfection 1250/1250 PHOTO Appendix486.2 Interface SpecificationsThis scanner is equipped with a standard USB interface as described below.6.2.

EPSON Perfection 1250/1250 PHOTO Appendix496.3 Control CodesThe command level for this scanner is ESC/I-D2. The commands supported by the scanner are

EPSON Perfection 1250/1250 PHOTO5FCC Compliance Statement for American UsersThis equipment has been tested and found to comply with the limits for a C

EPSON Perfection 1250/1250 PHOTO Appendix506.3.2 Connector SummaryConnectors used in the scanner are listed below. For their pin assignments, refer t

EPSON Perfection 1250/1250 PHOTO Appendix51Table 6-7. Main Circuit Board CN5Table 6-8. Main Circuit Board CN6Table 6-9. CCD Circuit Board CN2Table

EPSON Perfection 1250/1250 PHOTO Appendix526.4 Circuit DiagramThe following pages show the circuit diagrams for the scanner's control circuits.&

EPSON Perfection 1250/1250 PHOTO Appendix53Figure 6-4. Main (interface) Board

EPSON Perfection 1250/1250 PHOTO Appendix54Figure 6-5. CCD Board

EPSON Perfection 1250/1250 PHOTO Appendix556.5 Parts List and Exploded DiagramsTable 6-11. Parts ListPart No. Part Name100 MAT,COVER,DOCUMENT101 HOU

EPSON Perfection 1250/1250 PHOTO Appendix56Figure 6-6. Exploded Diagram (1)10610210010810750910110450450250150720050851020250610310551350351150051240

EPSON Perfection 1250/1250 PHOTO Appendix57030201The parts to which no reference numberis assigned will not be available asafter-sale service parts.GT

EPSON Perfection 1250/1250 PHOTO Appendix58Figure 6-8. Exploded Diagram (3)801802800PERFECTION 1250 PHOTO No.03 Rev.01 10328

EPSON Perfection 1250/1250 PHOTO6Guide to Using This ManualBefore servicing the EPSON Perfection 1250/1250 PHOTO, read the precautions on the followin

EPSON Perfection 1250/1250 PHOTO7General Precautions" When servicing, unplug the scanner from the power outlet and disconnect any attached device

EPSON Perfection 1250/1250 PHOTO8

EPSON Perfection 1250/1250 PHOTO9ContentsChapter 1 Product BasicsFeatures ..................