Xerox 2135DX - Phaser Color Laser Printer, Service Manual

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Service Guide
vii
Service Tests and Adjustments 61
Starting the diagnostics mode 61
Switch scan test 63
Motor and clutch tests 69
Test printing 72
Consumable count initialization 74
Consumable counter display 75
Consumable continuation counter display 76
Adjusting color density and balance 77
Printing a Test Page 77
Interpreting the Color Balance test print 77
What to look for 78
Making adjustments 78
Adjustment recovery 79
Cleaning and Maintenance 81
Service preventive maintenance procedure 81
Recommended tools 82
Periodically replaced parts 82
Cleaning 83
Cleaning the LED bar 83
Cleaning the pickup roller 83
Resetting NVRAM 85
FRU Disassembly 87
About screw colors 87
Cabinet panels 88
Top cover 88
Rear cover 89
Front cover 90
Left-side cover 91
Face-up tray 92
Right door 93
Frame components 94
Electrical card cage cooling fan 94
Front power supply fan 95
Rear power supply fan 96
Rear shield plate 97
Electrical card cage 98
Printer unit chassis 100
Top cover inner frame and front/rear top cover spring assembly 102
Front plate assembly 104