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4. Troubleshooting
4.7.8. Uneven pitch and jitter image
A. Typical faulty images
P a p e r fe e d in g
d ire c tio n
B. Troubleshooting procedure
Step
Check item
1
Under 3mm periodic jitters or horizontal bands has
occurred.
2
Under 1mm periodic jitter or horizontal bands has
occurred.
4-191
Action
Remove foreign substances at the drive gears.
Apply grease.
- Toner cartridge gears.
- OPC unit gears.
- Main drive unit gears.
Replace the abnormal units.
- Toner cartridge.
- Drum unit.
- Main drive unit.
Check if the LSU is assembled incorrectly, replace the
screws.
Replace LSU
(Refer to 3.3.3.)
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Table of Contents
Troubleshooting
