Exit Motor Assembly - Xerox Phaser 4500 Service Manual

General Troubleshooting

Exit Motor Assembly

4-28
Troubleshooting Reference
Applicable Parts
Exit motor assembly
Exit motor PWBA
LVPS harness assembly
LVPS
HVPS/engine logic board
Troubleshooting Procedure
Steps Actions and Questions
1 Enter Service Diagnostics, and from the
Motors/Fan Test
tests:
Exit Motor Forward
Exit Motor Reverse High
Exit Motor Reverse Low
Does the exit motor assembly rotate?
Is the problem cleared after replacement? Problem
2
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?
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?
5 Is the problem cleared, after
replacement?
Wiring and Plug/Jack Map References
"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
Yes
Problem
select the following solved.
solved.
Go to step 4.
Replace Exit
Motor PWBA
(page 8-61)
and go to
step 5.
Problem
solved.
Phaser 4500/4510 Service Manual
No
Replace the
exit motor
assembly
(page 8-51),
then go to
step 2.
Go to step 3.
Replace the
LVPS harness
assembly.
Replace the
LVPS
(page 8-62).
Replace the
HVPS/engine
logic board
(page 8-73).