Table Of Contents - Epson Perfection 1200U Service Manual

EPSON Perfection1200
Product Description
Features ......................................................................................................... 9
Product Description ...................................................................................... 10
Interface Specification .................................................................................. 12
SCSI Interface ......................................................................................... 12
USB Interface .......................................................................................... 14
Control Code ................................................................................................ 15
Exterior Function .......................................................................................... 16
Switch Specification ................................................................................ 16
Indicators................................................................................................. 16
Process when an error happens................................................................... 17
Operating Principles
Engine Mechanism ....................................................................................... 19
Carriage Unit ........................................................................................... 19
Carriage Move Mechanism ..................................................................... 20
Power Supply Circuit .................................................................................... 21
Control Circuit............................................................................................... 23
Control Circuit Overview.......................................................................... 23
Troubleshooting
Overview....................................................................................................... 27
Self-Diagnostic Function............................................................................... 27
Troubleshooting............................................................................................ 28
Disassembly and Assembly
Overview....................................................................................................... 32
Precaution ............................................................................................... 32
Tools........................................................................................................ 32
Screws..................................................................................................... 32
Disassembly Procedures.............................................................................. 34

Table of Contents

Carriage Lock Release............................................................................ 34
Document Cover Removal ...................................................................... 35
Upper Cover Removal............................................................................. 36
Inverter Lamp/Inverter Board Removal ................................................... 37
Carriage Unit Removal ............................................................................ 39
Carriage Motor/Timing Belt Removal ...................................................... 44
Main Board Removal............................................................................... 46
Panel Board Removal ............................................................................. 50
Power Supply Board Removal ................................................................ 52
Firmware Update
Firmware Update .......................................................................................... 55
Operating Environment for the
Update Program ............................................................................ 55
Installation of the Update Program.......................................................... 55
Updating Method ..................................................................................... 55
Maintenance
Overview ...................................................................................................... 59
Cleaning .................................................................................................. 59
Lubrication............................................................................................... 59
Appendix
Overview ...................................................................................................... 61
Interconnection........................................................................................ 61
Connector Assignment ............................................................................ 62
Connector................................................................................................ 63
Parts List & Exploded Diagram .................................................................... 65
SCSI Model ............................................................................................. 65
USB Model .............................................................................................. 69
TPU; Parts List ............................................................................................. 73
Exploded Diagram for TPU .......................................................................... 74
Optional Part; ADF ....................................................................................... 75
Revision B
6