Xerox Phaser 7700 Service Manual page 11
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Also See for Phaser 7700:
- User manual (108 pages) ,
- Advanced features and troubleshooting manual (69 pages) ,
- Install manual (42 pages)
Table of Contents
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Troubleshooting the 24 VDC LVPS .............................................................. 3-89
Interlock Circuit Diagram .............................................................................. 3-90
The +24 VDC Interlock Circuit ..................................................................... 3-90
The +5 VDC Interlock Circuit ....................................................................... 3-91
Troubleshooting when the Printer does not come to a "Ready" state ................... 3-92
Printer does nothing when power switched on ............................................... 3-92
Fans on, Front Panel LED never on .............................................................. 3-92
Fans on, Front Panel LED is red, no Front Panel message ........................... 3-92
Front Panel displays "Fatal Fault Encountered" message ............................. 3-92
Troubleshooting - Printer comes to a "Ready" state ............................................. 3-93
False LH Door, RH Door, or Front Door Open messages ............................. 3-93
False "Load Paper in Tray [1,2,3,4]" Message ............................................... 3-93
False "Tray [1,2,3,4] Missing" Message ........................................................ 3-93
Tray 1 will not lift .......................................................................................... 3-94
Tray 2, 3 OR 4 will not lift ............................................................................. 3-94
Printer will not recognize the Auxiliary Feeder .................................................... 3-95
Printer will not recognize the Finisher ........................................................... 3-95
Operation System and Application Problems ................................................ 3-96
Macintosh printing problems ......................................................................... 3-96
Windows printing problems ........................................................................... 3-96
Troubleshooting Network Problems .............................................................. 3-97
Media jams and the paper path .............................................................................. 3-98
Print Image Quality Problems ............................................................................ 3-101
Internal Hard Drive ...................................................................................... 4-113
Registration Control (RegiCon) Adjustment Overview ............................... 4-114
Processes of the RegiCon adjustment .......................................................... 4-117
RegiCon Flowchart ...................................................................................... 4-118
Step 1: Belt Edge Learn ............................................................................... 4-119
Step 2: RegiCon #4 Coarse Skew Adjustment ............................................ 4-120
Step 3: RegiCon #1 Fine Skew Adjustment ................................................. 4-122
Step 4: RegiCon #2 In/Out Skew Adjustment ............................................. 4-123
Step 5: RegiCon #3 Center Skew Adjustment ............................................. 4-124
Coarse RegiCon Initialization ............................................................................. 4-125
ATC Sensor Setup ........................................................................................ 4-127
Additional Information ................................................................................. 4-127
Cleaning and Maintenance 5-129
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Phaser 7700 Color Laser Printer
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Troubleshooting
