Ricoh CH-C1 - RTB 142 b: Dirty prints

Technical Bulletin PAGE: 1/6
Reissued: 26-Sep-14
Model: CH-C1 Office
Date: 25-Aug-14
No.: RD135142b
RTB Reissue
The items in bold italics were corrected or added.
Subject: Troubleshooting for dirty prints caused by abrasion of
the registration roller shaft and bushings
Prepared by: Takeshi Toriumi
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
SYMPTOM
The shaft and/or bushing of the registration roller abrades and the shavings drop and get
on the printed image.
Registration unit
Abraded
bushing
Abraded
shaft
Rear (Non-
operator
side)
Front
(Operator side)