P-30: Color Pc Drive Sensor Malfunction; P-31: Black Pc Drive Sensor Malfunction - Konica Minolta bizhub C353P Service Manual

Field Service Ver. 1.0 Oct. 2007
20.2.10

P-30: Color PC drive sensor malfunction

Color PC drive main sensor (PS27)
Color PC drive sub sensor (PS28)
Step
1 Perform the faulty sensor check procedure. *1
Check the sensor, for which a faulty condition has been checked, for installed position and
2
proper connector connection.
3 Wipe the sensor, for which a faulty condition has been checked, clean of dirt if any.
4 If P-30 occurs again, change the main drive unit.
5 Change PRCB.
20.2.11

P-31: Black PC drive sensor malfunction

Black PC drive main sensor (PS29)
Black PC drive sub sensor (PS30)
Step
1 Perform the faulty sensor check procedure. *1
Check the sensor, for which a faulty condition has been checked, for installed position and
2
proper connector connection.
3 Wipe the sensor, for which a faulty condition has been checked, clean of dirt if any.
4 If P-31 persists, change the main drive unit.
5 Change PRCB.
*1: Faulty sensor check procedure
1. Set the service jig and call the Service Mode to screen.
See P.298
2. Access [State Confirmation] → [Sensor Check].
3. Close the front door and start [Stabilizer].
4. During the stabilizer sequence, check to see if the values of the phase detection sen-
sors (black PC drive main/sub sensors) change.
5. A sensor is faulty if its value does not change.
Relevant electrical parts
Main drive unit
Printer control board (PRCB)
Action
Relevant parts
Main drive unit
Printer control board (PRCB)
Action
20. Malfunction code
407