Epson Stylus COLOR 900 Service Manual page 7

EPSON Stylus COLOR 900/900N
Chapter 3 - Troubleshooting
Overview .............................................................. 65
Troubleshooting with LED Error Indicators................... 66
Checking for Power Supply Problems.......................... 76
Checking for Other Hardware Problems ...................... 78
Print Quality Troubleshooting ....................................... 83
Chapter 4 - Disassembly
Overview .............................................................. 87
Precautions for Disassembling the Printer ................... 87
Disassembly Procedures ..................................... 89
Upper Case and Control Panel Removal ..................... 91
Disconnecting the Main Wiring Harnesses................... 92
Printer Mechanism Removal ........................................ 93
C265 Main Board Unit Removal................................... 94
Relay Board and Cooling Fan Removal ....................... 95
Removing the Shield Plate on the Main Board............. 96
Power Supply Board Removal ..................................... 97
Printer Mechanism Disassembly .................................. 98
Chapter 5 - Adjustments
Overview ............................................................ 119
Special Adjustment Tools........................................... 121
Using the Adjustment Program .......................... 121
Setting Up Your Computer ......................................... 121
Starting the Adjustment Program ............................... 122
Market Destination Check .......................................... 125
Printhead ID Input ...................................................... 127
Printhead Angular Adjustment.................................... 130
Bi-Directional Adjustment ........................................... 138
Cleaning the Printhead............................................... 143
Initial Ink Charge ........................................................ 145
Checking and Clearing the Waste Ink Counter .......... 146
Fan Check .................................................................. 149
Platen Gap (Parallelism) Adjustment ................. 150
Adjusting the Platen Gap............................................ 150
Checking the Platen Gap............................................ 152
Chapter 6 - Maintenance
Overview ............................................................ 154
Replacing the Ink Cartridges .............................. 154
Replacing a Low or Empty Ink Cartridge .................... 154
Replacing an Ink Cartridge Before It's Empty............. 155
Installing New Ink Cartridges After Replacing
the Printhead .............................................................. 155
Cleaning the Printhead ....................................... 156
Replacing the Waste Ink Pads ........................... 157
Replacing the Battery ......................................... 157
Cleaning the Printer............................................ 158
Lubrication .......................................................... 158
Lubrication Points ....................................................... 159
Lubricating the Carriage Guide Shaft ......................... 162
Appendix
Connector Summary .......................................... 167
EEPROM ADDRESS MAP................................. 171
Component Layout ............................................. 175
Parts List ............................................................ 179
Exploded Diagrams ............................................ 184
Shipping Container............................................. 185
Circuit Diagrams ................................................. 186
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