Table Of Contents - Epson GT-7000 Service Manual

EPSON GT-7000
Product Description
Overview .............................................................................................................. 4
Specification ......................................................................................................... 4
Interface Specification.......................................................................................... 7
SCSI Model ................................................................................................... 7
USB Model.................................................................................................... 9
Control Codes..................................................................................................... 10
Control Specification.......................................................................................... 11
Switch Specification.................................................................................... 11
LED Indicators ............................................................................................ 11
Switch Setting ............................................................................................. 11
Error Indication ........................................................................................... 12
Operating Principles
Engine Mechanism ............................................................................................. 15
Carriage Unit ............................................................................................... 15
Carriage Move Mechanism ......................................................................... 16
Power Supply Circuit .................................................................................. 17
Control Circuit............................................................................................. 19
Control Circuit Overview .................................................................................. 19
Troubleshooting
Overview ............................................................................................................ 23
Self-Diagnostic Function.................................................................................... 23
Troubleshooting.................................................................................................. 24
Disassembly and Assembly
Overview ............................................................................................................ 29
Precaution.................................................................................................... 29
Tools............................................................................................................ 29
Screws ......................................................................................................... 29
Disassembly Procedures..................................................................................... 31
Carriage Lock Release ................................................................................ 31
Document Cover Removal .......................................................................... 32
Rev. C

Table of Contents

Upper Cover Removal................................................................................. 33
Inverter Lamp/Inverter Board Removal...................................................... 34
Carriage Unit Removal ............................................................................... 36
Carriage Motor/Timing Belt Removal ........................................................ 41
Main Board Removal .................................................................................. 43
Panel Board Removal.................................................................................. 45
Power board Removal ................................................................................. 46
Adjustment
Maintenance
Overview ............................................................................................................ 51
Cleaning ...................................................................................................... 51
Lubrication .................................................................................................. 51
Appendix
Overview ............................................................................................................ 54
Interconnection............................................................................................ 54
Connector Assignment (SCSI) .................................................................... 55
Parts List............................................................................................................. 57
Optional Part; ADF ............................................................................................ 62
General Description .................................................................................... 62
Specification................................................................................................ 62
General Specification ........................................................................................ 62
Efficiency .......................................................................................................... 62
Document .......................................................................................................... 63
Electrical Specification ...................................................................................... 63
Environmental Conditions ................................................................................. 63
Reliability .......................................................................................................... 63
Operating conditions ......................................................................................... 63
Safety, EMC, EPA ............................................................................................. 63
Resistance to electric noise ................................................................................ 64
Physical Dimensions and Weight ...................................................................... 64
Interface....................................................................................................... 65
Disassembly........................................................................................................ 66
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