Technical Bulletin PAGE: 1/2
Model: Taurus-C1/P1 (D074/D075/M044) Date: 04-Jun-12 No.: RD074072
Subject: Troubleshooting: Damaged development roller
seals and SC39X (Drum Motor Error)
Prepared by: Hiroaki H Matsui
From: PP Service Planning Department 1G
Troubleshooting
Mechanical
Paper path
Part information
Electrical
Transmit/receive
Action required
Service manual revision
Retrofit information
Classification:
Product Safety Other ( ) Tier 2
Symptom
The following 2 symptoms are observed together:
1. The development roller seal is damaged or peeled off.
2. SC39X (Drum Motor Error) is logged several times in the SC History (SP7403-001).
Cause
Excess friction between the Drum [A] and the Cleaning Blade [B] causes heavy load on
the drum motor, resulting in Drum Motor Error and damaging or peeling off the
development roller seal due to the abnormal rotation of the drum.
[A] Drum, [B] Cleaning Blade, [C] Lubrication Blade, [D] Lubrication Brush Roller
[A]
[B]
[D]
[C]
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