Misregistration (Side To Side); Misregistration (Lead To Trail Edge); Misregistration Heavier Stock (Lead To Trail Edge); 30. Multisheet Feed - Xerox DocuPrint C55 Service Manual

Defect Name / Description

27. MISREGISTRATION (SIDE TO SIDE).

28. MISREGISTRATION (LEAD TO TRAIL
EDGE).
29. MISREGISTRATION HEAVIER STOCK
(LEAD TO TRAIL EDGE).

30. MULTISHEET FEED.

31. OIL SPOTS.

These may appear as background or black
spots on the print.
IMAGE QUALITY RAPs
IMAGE QUALITY DEFECTS
Possible Causes
1. Registration adjustment incorrect
2. Constant HSYNC from IOT.
1. Registration adjustment incorrect.
2. Registration clutch always energized.
3. Transfer to Print drum gear mesh incorrect.
1. Grounding roller not being raised.
1. Paper is less than 20 lb.
2. Paper not installed correctly or in poor
condition.
1. Fuser leaks.
2/99
3-14
Corrective Action
1. Perform Margins adjustment. (ADJ. 3.2)
2. Refer to BSD 6 and check the HSYNC signal
CN104-9 for a short to ground.
1. Perform Margins adjustment. (ADJ. 3.2)
2. Refer to BSD 8.2 and check the Registration
Clutch CN101-4 for a short to ground.
3. If prints are OK when using enhanced
alignment, refer to Transfer Drum Nip adjust-
ment (ADJ 11.1) and perform the check.
1. Refer to BSD 8.3 and check the Grounding
Roller Solenoid circuit for an open.
1. Use heavier paper from 20 to 24 lb.
2. Check the following:
• Fan the paper.
• Change the paper.
• Turn the paper over in the cassette.
• Snubber alignment.
1. Check for any spills from bottle replacement.
If OK, check for fuser oil leaks. Replace the
Fuser if required.
DocuPrint C55/C55mp/[NC60]