Xerox Phaser 4500 Service Manual page 124

Error Messages and Codes
3-46
Troubleshooting Procedure (continued)
Steps Actions and Questions
1. Remove the stacker cover
6
(page 8-113).
2. Manually turn the lower stacker
roller, upper stacker roller, and each
gear.
Do both rollers and all gears rotate
smoothly?
7 Check the paper transfer at the lower
stacker roller and pinch roller:
1. Insert paper between lower stacker
roller and pinch roller from below
the stacker.
2. Manually rotate gear 19/37 in the
CCW direction.
Is the paper transferred smoothly?
1. Enter Service Diagnostics, and from
8
the
Motors/Fan Tests
select the
Stacker Motor
2. Check the stacker motor assembly
Does stacker motor assembly rotate
normally?
Yes
Go to step 7.
Go to step 8.
Replace the
menu HVPS/engine
test. logic board
(page 8-73).
Phaser 4500/4510 Service Manual
No
Replace the
parts
preventing
rotation.
Replace the
defective parts.
Go to "Stacker
Motor
Assembly" on
page 4-55.