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2/99
IMAGE QUALITY RAPs
DocuPrint C55/C55mp/[NC60]
3-11
IMAGE QUALITY DEFECTS
Defect Name / Description
Possible Causes
Corrective Action
17. DARK SPOTS.
1. Print Drum Module defective.
1. Replace the Print Drum Module.
2. Toner falling from the developer housings.
2. Clean Toner from the developer housings.
3. Poor developer mixing.
3. Replace the Developer Module.
4. Oil Spots on Print Drum.
4. Check for Oil leaks. Replace Print Drum
Module.
18. DELETIONS (COMET).
Small white deletions app. 1mm wide X 1-
5mm long.
1. High Volume operation (more that 500 prints
per day.
1. Switch on Cleaning Cycles.
Refer to GP 3.4
19. DELETIONS (HOLLOW CHARACTERS).
1. Transfer Drum Nip too large.
1. Perform Transfer Drum Nip Adjustment
(ADJ 11.1)
20. DIRT, TONER, OR CONTAMINATION ON
THE REVERSE SIDE OF THE PRINT (IT
MAY BE REPEATING).
1. Toner in the paper path.
1. Clean the paper path.
2. Dirty Fuser Pressure Roll, repeats every 3.66
inches.
2. Replace the Fuser Module.
3. Transfer Drum Cleaning failure.
3. Replace the Transfer Drum Cleaning Blade
and Brush.
4. Dirty Printer (Sump Full).
4. Refer to BSD 9.21 and check the Waste
Toner Full signal, CN102-3, for a short to
ground.
5. High volume Printer.
5. Increase the cleaning cycles. Refer to
GP 3.4 in Section 6
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 ...