Ricoh G165 Service Manual page 134

Service Call Conditions
Agitator Motor Error
The agitator motor error is detected twice for 10 msec during the initialization at
power-on or after the cover is closed.
480
Disconnected or defective harness
Defective agitator motor
1. Check or replace the harness.
2. Replace the agitator motor.
ITB (Image Transfer Belt) Unit Set Error
The TM sensor does not detect the reflection from the ITB.
490
No ITB unit in the machine
Dirty TM sensor
1. Check the installation of the ITB unit.
2. Clean the TM sensor.
G165/G166/G167/G181/G183/G184 4-10 SM