3-46 Phaser 4500 Service Manual
6
Remove the Stacker Cover (page 8-134),
and manually turn the Lower Stacker
Roller, Upper Stacker Roller, and each
gear.
Does the Lower Stacker Roller, Upper
Stacker Roller, and all gears rotate
smoothly?
Go to step 7. Replace the parts
preventing
rotation.
7
Check the paper transfer at Lower Stacker
Roller and Pinch Roller:
1. Insert paper between the 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?
Go to step 8. Replace the
defective parts.
8
Check the Stacker Motor Assembly:
Enter Service Diagnostics, and from the
Motors/Fan Tests menu select the
Stacker Motor test.
Does the Stacker Motor Assembly
rotate normally?
Replace the
HVPS/Engine
Logic Board
(page 8-89).
Go to “Stacker
Motor Assembly”
on page 4-60.
Troubleshooting Procedure (Continued)
Steps Actions and Questions Yes No
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