Ricoh Pro C901 Technical Bulletin page 39

Model:
Aries-P1.5/C1.5
Service Call Tables - 4-2
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
469 D ITB cleaning motor lock error
The machine detects an error of the ITB cleaning motor while it is
rotating.
1. Check the harness connection to the ITB cleaning motor.
2. Remove the obstacle that affects the ITB cleaning motor.
3. Replace the ITB cleaning motor.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
470 ITB rotation error (Speed error)
The machine detects a big speed difference while the ITB drive
motor is rotating.
-01 D
1. Check or replace the ITB drive motor.
2. Check the harness connection, or replace the belt speed
3. Clean the encoder for the belt speed sensor.
ITB rotation error (Measurement error)
The machine detects a data error from the belt speed sensor.
-02 D
1. Check or replace the ITB drive motor.
2. Check the harness connection, or replace the belt speed
3. Clean the encoder for the belt speed sensor.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
471 D ITB skew adjustment error: time out
T
echnical
Harness to the ITB cleaning motor disconnected
Overload to the ITB cleaning motor
ITB cleaning motor defective
Overload on the ITB drive motor (ITB cleaning blade rolled in)
or motor defective
Defective belt speed sensor
Dirty or broken encoder for the belt speed sensor
sensor.
Overload on the ITB drive motor (ITB cleaning blade rolled in)
or motor defective
Defective belt speed sensor
Dirty or broken encoder for the belt speed sensor
sensor.
B
ulletin
Date:
17-Feb-11
PAGE: 3/44
No.:
RM077018