Service Diagnostics - Xerox Phaser 7500 Service Manual

Service Diagnostics

Phaser 7500 Printer Service Manual
Service Diagnostics provides tests for most electro-mechanical components in the
printer. Service Diagnostics also contains test prints, printer status and some
NVRAM access. If confronted with an error that requires more than a cursory
investigation to clear or when directed by a troubleshooting procedure, use Service
Diagnostics to exercise selected sub-assemblies of parts in the vicinity of the
reported error. Tests are controlled from the Control Panel and are described in
detail in the Appendix ("Reference" on page
The Service Diagnostics Main menu offers these options listed in the following
table.
Service Diagnostics Main Menu
Menu Item
Print Service Menu Map
General Status
Built-in Test Prints
Sensor/Switch Test
Motors/Fan Tests
Clutch Tests
Solenoid Tests
Adjustments/
Calibrations
Maintenance
Exit
11-1).
Test Target
Prints the Service Diagnostics menu map.
Query information about the status, versions, and
counts.
Isolate problems with Xerographics and paper
handling.
Tests sensor status and operation.
These tests exercise each motor or fan.
Tests clutch function.
Tests solenoid function.
Clean the IDT rollers in the Imaging Unit.
Clean the Fuser rollers using chase pages.
Exits Service Diagnostics and reboots the printer.
General Troubleshooting
4-7