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IMAGE QUALITY RAPs
2/99
IMAGE QUALITY DEFECTS
3-8
DocuPrint C55/C55mp/[NC60]
Defect Name / Description
Possible Causes
Corrective Action
10. BLANK PRINT (CYAN).
1. No Cyan Developer Clutch (No Cyan
development).
1. Refer to BSD 9.9 and check the Cyan
Developer Clutch for an open. If the ON
signal (CN115-4) does not go low during
print, replace the PCU PWB.
2. Constant Cyan Magnetic Roll cleaning.
2. Cleaning Cam timing incorrect, refer to the
Magnetic Roller Cleaning Cams adjustment
(ADJ 6.1) and perform the check.
11. BLANK PRINT (MAGENTA).
1. No Magenta Developer Clutch (No Magenta
development).
1. Refer to BSD 9.9 and check the Magenta
Developer Clutch for an open. If the ON
signal (CN115-6) does not go low during
print, replace the PCU PWB.
2. Constant Magenta Magnetic Roll cleaning.
2. Cleaning Cam timing incorrect, refer to the
Magnetic Roller Cleaning Cams adjustment
(ADJ 6.1) and perform the check.
12. BLANK PRINT (YELLOW).
1. No Yellow Developer Clutch (No Yellow
development).
1. Refer to BSD 9.9 and check the Yellow
Developer Clutch for an open. If the ON
signal (CN115-8) does not go low during
print, replace the PCU PWB.
2. Constant Yellow Magnetic Roll cleaning.
2. Cleaning Cam timing incorrect, refer to the
Magnetic Roller Cleaning Cams adjustment
(ADJ 6.1) and perform the check.
13. COLOR HALO
Most Often A Yellow Halo
1. Very Dry Paper.
1. Replace paper.
2. New Developer Module just installed.
2. Perform the Density and Color Balance
Adjustment. (ADJ. 3.1).
Run 300 prints to “break in” the new
developer housing.
Enter Special diagnostics, scroll to ID Level,
set offending color to 80.
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 ...