Ricoh pro c901, Technical Bulletin

Page: 140 / 586

T
echnical
B
ulletin
PAGE: 5/10
Reissued:18-Apr-14
Model:
Aries-P1.5/C1.5
Date:
16-May-11
No.:
RM077031d
Line No.4: Color lines caused by OPC Drum
Cause
Lubricant powder on the OPC drum is not evenly spread out, causing poor transfer in
areas with less lubricant.
Procedure
1. To identify the color causing the lines, print 3 sheets of the halftone pattern (SP2-106-
002-16) in each color.
2. Do “No 203 Execute Photoconductor Refreshing” in Adjustment Settings for Skilled
Operators Menu for the affected color.
3. Do “No 208 Execute Toner Refreshing” in Adjustment Settings for Skilled Operators
Menu for the affected color.
Are the results accepted by the customer?
Yes: Finished
No: Go to the next step.
4. Swap the drum cleaning unit of the affected color with another unit of a different color.
5. Again, print 3 sheets of the halftone pattern (SP2-106-002-16).
Do the vertical lines appear in a different color after swapping the drum cleaning unit?
YES: Replace the drum cleaning unit of the affected color confirmed in step 1 with
a new drum cleaning unit to complete the procedure .
NO: Go to the next step.
6. Swap the drum of the affected color confirmed in step 1 with another drum of a different
color.
7. Again, print 3 sheets of the halftone pattern (SP2-106-002-16).
Do the vertical lines appear in a different color after swapping the drum?
YES: Replace the drum of the affected color to complete the procedure.
NO: Do the troubleshooting procedures for “Line No.5.”
IMPORTANT: Make sure to put the drum cleaning unit and OPC drum back to their
original stations to prevent PM counter error.