Ricoh Taurus-C1a Technical Bulletin page 553

Model:
Taurus-C1/P1 (D074/D075/M044)
Subject:
Field Service Manual Correction (SC465)
From:
1st Tech Service Sect., PP Tech Service Dept.
Classification:
Please add the following detail information on the sub codes of SC465 to your FSM in
section:
Appendices  6. Troubleshooting  SC Tables  SC400: Around the Drum
No. Sub code
SC465
001 ~ 024
41
51
52
echnical
T
Troubleshooting
Mechanical
Paper path
Product Safety
Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
PTR Motor Error: Abnormal Pulses
One (or both) of the encoder sensors cannot correctly detect the
pulses.
D
 PTR motor harness disconnected or broken
 Physical obstruction blocking operation of the PTR unit
 Motor or motor drive board defective
TDCU defective

PTR Motor Error: Motor Defect
Motor is physically broken or harness is disconnected.
D
 Motor harness disconnected or broken
 PTR motor defective
PTR Motor Error: Abnormal Rotation Speed
The rotation speed of the motor is not within the target range.
 PTR motor harness disconnected or broken
D
 Physical obstruction blocking operation of the PTR unit and
ITB cleaning unit
 TDCU defective
 PTR motor defective
PTR Motor Error: Continuous Heavy Load
The motor is turned off after detecting excess load for more than
ten seconds.
PTR motor harness disconnected or broken

D
 Physical obstruction blocking operation of the PTR unit and
ITB cleaning unit
 TDCU defective
 PTR motor defective
ulletin
B
Date:
15-Feb-16
Prepared by:
Part information
Electrical
Transmit/receive
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PAGE: 1/1
No.:
RD074134
J. Ohno
Action required
Service manual revision
Retrofit information
Tier 2