Ricoh pro c901 - RTB 31 d: Troubleshooting for vertical lines

Technical Bulletin PAGE: 1/10
Reissued:18-Apr-14
Model: Aries-P1.5/C1.5
Date: 16-May-11
No.: RM077031d
RTB Reissue
The items in bold italics were corrected or added.
This bulletin provides troubleshooting procedures for the following 5 types of Vertical Lines
(white and color).
No1. White lines caused by ITB
No2. White lines caused by Dust Shield Glass
No3. Color lines caused by Charge Corona Unit
No4. Color lines caused by Drum Cleaning Unit or OPC Drum
No5. White lines caused by Development Unit
Overview of the workflow:
1. Do the lines appear at the same location for all 4 colors?
YES: Do the troubleshooting procedure for “Lines No.1.”
NO: Go to the next step.
2. Clean the dust shield glass and check the results with the customer job.
Are the results accepted by the customer?
YES: Finished (Refer to Lines No 2, below this procedure)
NO: Go to the next step
3. Press “User tools” on the operation panel, select “Maintenance” and execute “Color
Registration.” (Note that “User tools” is not indicated on the panel for EU machines. Look for the
mark on the button shown below.)
Are the results accepted by the customer or better than before?
YES: See the troubleshooting procedures for “Lines No 3.”
NO: Go to the next step.
4. To identify the color causing the lines, print 3 sheets of the halftone pattern (SP2-106-
002-16) in each color.
Subject: Trouble shooting for vertical lines
Prepared by: H. Kawamura
From: 1st Tech Service Sect., PP Tech Service Dept.
Classification:
Troubleshooting
Mechanical
Paper path
Product Safety
Part information
Electrical
Transmit/receive
Other ( )
Action required
Service manual revision
Retrofit information
Tier 2