![background image](http://html.mh-extra.com/html/xerox/docuprint-c55/docuprint-c55_service-manual_883399070.webp)
IMAGE QUALITY RAPs
2/99
IMAGE QUALITY DEFECTS
3-14
DocuPrint C55/C55mp/[NC60]
Defect Name / Description
Possible Causes
Corrective Action
27. MISREGISTRATION (SIDE TO SIDE).
1. Registration adjustment incorrect
1. Perform Margins adjustment. (ADJ. 3.2)
2. Constant HSYNC from IOT.
2. Refer to BSD 6 and check the HSYNC signal
CN104-9 for a short to ground.
28. MISREGISTRATION (LEAD TO TRAIL
EDGE).
1. Registration adjustment incorrect.
1. Perform Margins adjustment. (ADJ. 3.2)
2. Registration clutch always energized.
2. Refer to BSD 8.2 and check the Registration
Clutch CN101-4 for a short to ground.
3. Transfer to Print drum gear mesh incorrect.
3. If prints are OK when using enhanced
alignment, refer to Transfer Drum Nip adjust-
ment (ADJ 11.1) and perform the check.
29. MISREGISTRATION HEAVIER STOCK
(LEAD TO TRAIL EDGE).
1. Grounding roller not being raised.
1. Refer to BSD 8.3 and check the Grounding
Roller Solenoid circuit for an open.
30. MULTISHEET FEED.
1. Paper is less than 20 lb.
1. Use heavier paper from 20 to 24 lb.
2. Paper not installed correctly or in poor
condition.
2. Check the following:
•
Fan the paper.
•
Change the paper.
•
Turn the paper over in the cassette.
•
Snubber alignment.
31. OIL SPOTS.
These may appear as background or black
spots on the print.
1. Fuser leaks.
1. Check for any spills from bottle replacement.
If OK, check for fuser oil leaks. Replace the
Fuser if required.
Summary of Contents for DocuPrint C55
Page 14: ...SERVICE CALL PROCEDURES 2 99 NOTES 1 6 DocuPrint C55 C55mp NC60 Notes ...
Page 56: ...OTHER FAULTS RAPs 2 99 NOTES 2 42 DocuPrint C55 C55mp NC60 NOTES ...
Page 76: ...IMAGE QUALITY SPECIFICATIONS 2 99 NOTES 3 20 DocuPrint C55 C55mp NC60 NOTES ...
Page 130: ...REPAIRS ADJUSTMENTS 2 99 NOTES 4 42 DocuPrint C55 C55mp NC60 NOTES ...
Page 216: ...GENERAL PROCEDURES 2 99 NOTES 6 18 DocuPrint C55 C55mp NC60 Notes ...
Page 252: ...GENERAL PROCEDURES 2 99 NOTES 6 54 DocuPrint C55 C55mp NC60 NOTES ...
Page 272: ...GENERAL PROCEDURES 2 99 NOTES 6 74 DocuPrint C55 C55mp NOTES ...
Page 274: ...GENERAL PROCEDURES 2 99 NOTES 6 76 DocuPrint NC60 NOTES ...