3-44 Phaser 4500 Service Manual
6
1. Remove the Stacker Cover
(page 8-134).
2. Manually turn the Lower Stacker Roller,
Upper Stacker Roller, and each gear.
Do both rollers and all gears rotate
smoothly?
Go to step 7. Replace the parts
preventing
rotation.
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?
Go to step 8. Replace the
defective parts.
8
1. Enter Service Diagnostics, and from the
Motors/Fan Tests menu select the
Stacker Motor test.
2. Check the Stacker Motor Assembly
Does 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