Epson STYLUS Scan 2500 Service Manual page 8

EPSON STYLUS Scan 2500
Printer Related Troubleshooting ............................................................... 65
Scanner Troubleshooting .......................................................................... 69
Troubleshooting Motors and Sensors ...................................................... 73
Disassembly & Assembly
Overview ..................................................................................................... 75
Precautions for Disassembling the Printer .......................................... 75
Tools ....................................................................................................... 77
Specification for Screws ....................................................................... 77
Service Checks After Repair................................................................. 79
Disassembly Procedures............................................................................ 81
Removing the Housing............................................................................... 82
Removing the rear cover ...................................................................... 82
Removing the top cover........................................................................ 83
Removing the control panel assembly ................................................ 83
Removing the side covers .................................................................... 84
Removing the scanner support frame ................................................. 84
Removing the paper eject assembly.................................................... 85
Removing the power supply board upper frame ............................... 86
Removal of the B102 PSB/PSE Board .................................................. 87
Removing the printer mechanism ....................................................... 88
Removal of the Circuit Board Tray ............................................................ 90
Removal of the Printer Consumables ....................................................... 91
Removing the waste ink pads .............................................................. 92
Removing the cleaning assembly (Pump and Cap) ............................ 93
Disassembling the Printer Mechanism ..................................................... 95
Removing the Printhead Unit ............................................................... 95
Removing the PF Motor Assembly ...................................................... 97
Removing the CR Motor Assembly...................................................... 98
Removing the ASF Assembly ............................................................... 99
Removing the Carriage Assembly ..................................................... 103
Removing the PF Roller Assembly..................................................... 105
Removing the PE Paper Detector Assembly ..................................... 107
Removing the HP Detector ................................................................. 108
Disassembly of the Scanner Mechanism ............................................... 108
Removing the scanner ........................................................................ 109
Removing the scanner motor ............................................................. 111
Adjustment
Required Adjustments ............................................................................. 113
Adjustment Tools Required................................................................ 114
Printer Adjustment ................................................................................... 114
Printer hardware adjustments............................................................ 114
Using the Service-Adjustment Program................................................. 116
Installing the program ........................................................................ 116
Openning the Start-up menu ............................................................. 117
Initial Ink Charge Operation................................................................ 122
Bi-D Adjustment .................................................................................. 122
Head Cleaning Operation ................................................................... 123
Head Voltage ID Input ......................................................................... 124
Head Angular Adjustment .................................................................. 124
Ink draining .......................................................................................... 126
Scanner Adjustment................................................................................. 126
Maintenance
Overview ................................................................................................... 129
Cleaning ............................................................................................... 129
Lubrication ........................................................................................... 129
Appendix
Connector.................................................................................................. 141
Board Connector Summary................................................................ 142
Connector Pin Assignment ................................................................. 143
EEPROM Address Map............................................................................. 146
Exploded Diagrams .................................................................................. 152
Parts List.................................................................................................... 162
Component Layouts ................................................................................. 167
Circuit Diagrams ....................................................................................... 172
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