6 Control Panel Diagnostics
Introduction .....................................................................................................................
Diagnostic Fault History ..................................................................................................
Control Panel Diagnostics...............................................................................................
Control Panel Troubleshooting........................................................................................
Inoperable Printer............................................................................................................
Power Supplies and Interlocks........................................................................................
Media Jams and the Paper Path.....................................................................................
Operating System and Application Problems..................................................................
6 Diagnostics Procedures
Date and Time.................................................................................................................
Supplies Usage ...............................................................................................................
Resetting NVRAM ...........................................................................................................
Store Engine NVRAM .....................................................................................................
Clear Tech Rep Faults ....................................................................................................
Printer Status Page .........................................................................................................
Configuration Page .........................................................................................................
Printer Configuration .......................................................................................................
Engine ROM Version ......................................................................................................
Test Prints .......................................................................................................................
Reflective Sensor Procedure ..........................................................................................
Transmissive Sensor Procedure .....................................................................................
Developer BIAS...............................................................................................................
Enable Metered Toner ....................................................................................................
6 General Procedures
System Startup and POST ..............................................................................................
Power On Self Test (POST)............................................................................................
POST Faults....................................................................................................................
Network Diagnostics .......................................................................................................
Intermittent Problem ........................................................................................................
Back Channel Traces ......................................................................................................
6 Change Tag Information
Finisher (F) Tags.............................................................................................................
Launch
Phaser® 7760 Color Laser Printer
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March 2006
6-1
General Troubleshooting Procedures
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