Ricoh CH-C1 - RTB 154: The heating roller generates a ticking noise

Technical Bulletin PAGE: 1/2
Model: CH-C1a
Date: 12-Feb-15
No.: RD135154
SYMPTOM
The heating roller generates a ticking noise.
How to confirm the symptom
Step 1 . Print a copy.
Step 2 . Push the “Clear” button after you hear the
beep indicating job completion.
Step 3 . Listen if you can hear the ticking noise
while the heating roller rotates for 15
seconds.
CAUSE
Bearing of the heating roller slants and interferes with the flange due to an inaccurate
press process in assembling the components.
Subject: Troubleshooting ticking noise caused by the heating
roller
Prepared by: K.Hamada
From: 1st Tech Service Sect., MFP/Printer Tech Service Dept
Classification:
Troubleshooting
Mechanical
Paper path
Part information
Electrical
Transmit/receive
Action required
Service manual revision
Retrofit information
Product Safety Other (Firmware)
Tier 2
Supporting
plate
Step 1. Flange and bearings are
set to the heating roller on
the supporting plate.
Presser
Step 2. Flange is not pressed in
straight and slants the bearing.