Ricoh color aficio 6513

The following is taken from the service manual I hope it helps Thanks J


SC457 Position error for
the image
transfer belt’s
cleaning unit
- Timing & Condition
• When the belt cleaning
section touches the
image transfer belt, but
the belt cleaning sensor
signal remains LOW.
• When the belt cleaning
section releases from the
image transfer belt, but
the belt cleaning sensor
remains HIGH.
• Dirty Sensor
• Defective sensor
• Defective belt cleaning
shift clutch
• Defective drum
peripheral component
motor
• Defective I/O control
board
• Defective main control
board
1. Pull out and re-insert the image transfer
belt unit.
2. Clean the image transfer belt cleaning
H.P. sensor.
3. Replace the sensor. (Input Check: 5-803-
012)
4. Replace the belt cleaning shift clutch.
(Output Check: SP5-804-036)
5. Replace the drum peripheral component
motor.
6. Replace the I/O control board.
7. Replace the main control board.
[Signal Check]
• H.P.: CN219-B2 or TP108 on the I/O
control board