Samsung CLX-9201 Service Manual page 440

4. Troubleshooting
28) 94 mm periodic jitter occurs in printed document
•
Symptom :
94 mm periodic jitter occurs in printed document.
•
Troubleshooting
1) Perform a printout for each color with "Check Drum Prn" file.
2) Check the period of jitter with a ruler and figure out the type of fault.
3) Switch the organic photo conductor drum (OPC) with another OPC of another color.
If this resolves the problem, replace the OPC only.
4) Check the gear of the main drive is changed (damaged) or if there is an alien substance.
If the gear is changed (damaged) then replace the main drive.
If an alien substance is found then remove it.
5) Replace the imaging unit that causes the problem.
4-257 Copyright© 1995-2013 SAMSUNG. All rights reserved.