Xerox Phaser 4500

4-28 Phaser 4500 Service Manual
Rear Cover Switch
Troubleshooting Reference
Applicable Parts Wiring and Plug/Jack Map References
■ Rear Cover Switch
■ LVPS
■ HVPS/Engine Logic Board
■ “24 V Interlock, Rear Cover Switch, Main Motor, Sub
Fan, Exit Motor Assembly” on page 10-18
■ “Print Engine General Wiring Diagram” on
page 10-17
■ “Print Engine Plug/Jack Locator” on page 10-3
Troubleshooting Procedure
Steps Actions and Questions Yes No
1
Check the Rear Cover Switch:
1. Disconnect P/J44 from the LVPS.
2. Test for continuity across P/J44-1 <=> P/
J44-3 while manually operating the
switch.
Is the switch continuous when pushed
and open when released?
Go to “LVPS (Low
Voltage Power
Supply)” on
page 4-4.
Replace the Rear
Cover Switch
(page 8-83).