Xerox Phaser 4510 - Exit Motor Assembly

4-28 Phaser 4500/4510 Service Manual
General Troubleshooting
Exit Motor Assembly
Troubleshooting Reference
Applicable Parts Wiring and Plug/Jack Map References
■ Exit motor assembly
■ Exit motor PWBA
■ LVPS harness assembly
■ LVPS
■ HVPS/engine logic board
■ “P4500: 24 V Interlock, Rear Cover Switch,
Main Motor, Sub Fan, Exit Motor Assembly” on
page 10-21
■ “Print Engine Wiring Diagrams” on page 10-19
■ “Print Engine Plug/Jack Locator” on page 10-3
Troubleshooting Procedure
Steps Actions and Questions Yes No
1 Enter Service Diagnostics, and from the
Motors/Fan Test select the following
tests:
■ Exit Motor Forward
■ Exit Motor Reverse High
■ Exit Motor Reverse Low
Does the exit motor assembly rotate?
Problem
solved.
Replace the
exit motor
assembly
(page 8-51),
then go to
step 2.
2 Is the problem cleared after replacement? Problem
solved.
Go to step 3.
3 Check the LVPS harness assembly:
1.Disconnect P/J27, P/J10, P/J102 and P/
J101 from the LVPS harness assembly.
2.Test for continuity across the following
points:
■ J27 <=> J102
■ J10-8 <=> J101-1
Are both continuous?
Go to step 4. Replace the
LVPS harness
assembly.
4 Check the exit motor assembly power
source voltage:
1.Disconnect P/J101 from the Exit Motor
PWBA.
2.Measure the voltage across J101-2 <=>
J101-1.
Is the voltage +24 VDC?
Replace Exit
Motor PWBA
(page 8-61)
and go to
step 5.
Replace the
LVPS
(page 8-62).
5 Is the problem cleared, after
replacement?
Problem
solved.
Replace the
HVPS/engine
logic board
(page 8-73).