Ricoh M199, Service Manual

Page: 151 / 218

Service Call Conditions
SM 5-5 M199/M200/M203/M204
T
ro
ub
le
s
ho
ot
in
g
480
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.

Disconnected or defective harness

Defective agitator motor
1. Check or replace the harness.
2. Replace the agitator motor.
490
ITB (Image Transfer Belt) Unit Set Error
The TM sensor does not detect the reflection from the ITB.

No ITB unit in the machine

Dirty TM sensor
1. Check the installation of the ITB unit.
2. Clean the TM sensor.
SC 5xx (Motor and Fusing Error)
500
Transport/Fusing Motor Error
The LOCK signal error is detected when the EGB monitors the transport/fusing
motor state. (This monitoring is done immediately after power-on, when the motor
starts rotating, and immediately after the motor stops.)

Disconnected or defective motor harness.

Motor slips due to excessive load
1. Check the harness from the transport/fusing motor. Replace it if
necessary.
530
LSU Fan Motor Error
A LOCK signal is not detected for more than ten seconds while the motor START
signal is on and if this error occurs twice consecutively, this SC is issued.