41. Transparency Problems; 42. Wrinkled Paper - Xerox DocuPrint C55 Service Manual

Defect Name / Description

41. TRANSPARENCY PROBLEMS.

42. WRINKLED PAPER.

DocuPrint C55/C55mp/[NC60]
Possible Causes
1. Jamming, mottle type deletions, Oil offsetting.
2. Hollow characters.
3. Low density/Deletions.
4. Oily Transparencies
1. Paper is less than 16 lb.
2. Feed rolls/drive rolls dirty.
3. Paper not installed correctly or in poor
condition.
4. Transfer Drum to Print Drum nip incorrect
(uneven side-to-side).
5. Paper feed problem (wrinkle occurs before
transfer, observe print on transfer drum).
6. Fuser Module failure (wrinkle occurs after
transfer, observe print on transfer drum).
7. Exit roller skewed. (wrinkle occurs after
fusing).
2/99
3-17
Corrective Action
1. Adjust Transparency Mode (GP 3.3)
2. Try Printing on other side of Transparency.
Adjust Transfer Drum Nip (ADJ 11.1)
Try different transparency material.
3. Adjust Transfer Drum Nip (ADJ 11.1)
4. Try (GP 3.3). Interleaf transparencies and
paper after printing. Paper will absorb the oil.
1. Use heavier paper from 20 to 24 lb.
2. Clean the feed rolls and drive rolls.
3. Check the following
• Fan the paper.
• Change the paper.
• Turn the paper over in the cassette.
4. Perform the Transfer Drum Nip adjustment
(ADJ 11.1).
5. Check the following: Replace paper feed
assembly if required:
• Tabs broke on large springs loading the
lower registration roller.
• Defective lower registration roller.
6. Replace Fuser Module.
7. Check for broken or missing bearings.
Replace output shaft if required.
IMAGE QUALITY RAPs
IMAGE QUALITY DEFECTS