Xerox Phaser 4500 Service Manual

General Troubleshooting 4-61
Offset Motor Assembly
Troubleshooting Reference
Applicable Parts Wiring and Plug/Jack Map References
■ Offset Motor Assembly
■ Stacker Motor Assembly
■ Stacker PWBA
■ Stacker Harness 2
■ HVPS/Engine Logic Board
■ Stacker Harness 1
■ “Stacker Signal Diagram” on page 10-32
■ “Stacker General Wiring Diagram” on page 10-31
■ “24 V Interlock, Rear Cover Switch, Main Motor, Sub
Fan, Exit Motor Assembly” on page 10-18
■ “Stacker Plug/Jack Locator” on page 10-14
Troubleshooting Procedure
Steps Actions and Questions Yes No
1
Check the Offset Motor Assembly:
Enter Service Diagnostics, and from the
Motors/Fan Test select Stacker Offset
Motor.
Does the offset assembly move back
and forth when the test is initiated?
Problem solved. Go to step 2.
2
Check Stacker Harness 2:
1. Disconnect P/J70 from Stacker PWBA.
2. Remove Stacker Harness 2.
3. Test J70 <=> J3070 for continuity
Is the harness continuous?
Go to step 3. Replace Stacker
Harness 2.
3
Check Stacker Harness 1:
1. Remove Stacker Harness 1.
2. Test J30 <=> J3070 for continuity
Is the harness continuous?
Go to step 4. Replace Stacker
Harness 1.
4
Replace the Offset Motor Assembly
(page 8-144).
Is the problem cleared?
Problem solved. Go to step 5.
5
Replace Stacker PWBA (page 8-142).
Is the problem cleared?
Problem solved. Replace the
HVPS/Engine
Logic Board
(page 8-89).

Xerox Phaser 4500 Specifications

General

Brand	Xerox
Model	Phaser 4500
Category	Printer
Language	English