Xerox Phaser 4510 - Offset Motor Assembly

4-56 Phaser 4500/4510 Service Manual
General Troubleshooting
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 10-37
■ “Stacker General Wiring Diagram” on
page 10-36
■ “P4500: 24 V Interlock, Rear Cover Switch,
Main Motor, Sub Fan, Exit Motor Assembly” on
page 10-21
■ “Stacker Plug/Jack Locator” on page 10-16
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 8-120).
Is the problem cleared?
Problem
solved.
Go to step 5.
5 Replace stacker PWBA (page 8-119).
Is the problem cleared?
Problem
solved.
Replace the
HVPS/engine
logic board
(page 8-73).