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
Action
1
Under 3mm periodic jitters or horizontal bands has
occurred.
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.
2
Under 1mm periodic jitter or horizontal bands has
occurred.
Check if the LSU is assembled incorrectly, replace the
screws.
Replace LSU
(Refer to 3.3.3.)
4-205
Copyright© 1995-2017 SAMSUNG. All rights reserved.
Summary of Contents for MultiXpress K4 Series
Page 10: ...Contents 6 4 Document Revision List 6 10 ix Copyright 1995 2017 SAMSUNG All rights reserved ...
Page 53: ...2 Product Specifications and Description Copyright 1995 2017 SAMSUNG All rights reserved 2 37 ...
Page 76: ...2 Product Specifications and Description 2 60 Copyright 1995 2017 SAMSUNG All rights reserved ...