Ricoh G157 Service Manual page 102

ERROR INDICATION
Error
No.
Code
16 SVC E6 Cleaning Unit Solenoid Error:
Connector is not properly connected
with Solenoid, and/or Harness is
shorted or cut.
17 SVC E8 Fusing Clutch Error:
Connector is not properly connected
with Solenoid, and/or Harness is
shorted or cut.
18 SVC E9 OPC Belt Sensor Error:
Marker on OPC Belt is not properly
detected by Belt Sensor.
19 SVC EL Erase Lamp Error:
LED wire of Erase board is cut,
Connector is not properly connected,
and/or Harness is shorted or cut.
20 SVC F0 PSU Fan Error:
Fan motor fails to make the normal
rotation, Connector is not properly
connected, and/or Harness is shorted
or cut.
21 SVC F3 Optics Unit Fan Error:
Fan motor fails to make the normal
rotation, Connector is not properly
connected, and/or Harness is shorted
or cut.
22 SVC F4 Fusing Fan Error:
Fan motor fails to make the normal
rotation, Connector is not properly
connected, and/or Harness is shorted
or cut.
23 SVC F5 High Voltage Unit Error:
Output (BRV) of HV Voltage Unit is
shorted, and/or Connector is not
properly connected.
24 SVC F6 Power Supply Unit Error:
Connector is not properly between
Power Supply Unit and BCU.
25 SVC H0 Fusing Thermistor Error:
Temperature signal from Thermistor
is not detected. (Wire Cut Detection)
G157
Possible Cause
4-12
Countermeasure
1. Check the harness connection.
(MCN4: pin 1, 2)
2. Replace the Cleaning Unit Solenoid.
3. Replace the BCU.
1. Check the harness connection.
(MCN4: pin 3, 4)
2. Replace the Fusing Clutch.
3. Replace the BCU.
1. Place the machine on the level
place
2. Check the harness connection.
(MCN 7: pin 1, 2, 5)
3. Clean or replace the OPC Belt
Sensor.
4. Replace the OPC Belt Unit.
5. Replace the BCU.
1. Check the harness connection.
(MCN 8: pin 13, 14)
2. Replace the Erase Lamp.
3. Replace the BCU.
1. Check the harness connection.
(MCN 11: pin 1 ~ 3)
2. Replace the PSU Fan.
3. Replace the BCU.
1. Check the harness connection.
(MCN 8: pin 7, 9, 11)
2. Replace the Optics Unit Fan.
3. Replace the BCU.
1. Check the harness connection.
(MCN 1: pin 10 ~ 12)
2. Replace the Fusing Fan.
3. Replace the BCU.
1. Check that the Charge Roller Unit is
properly installed.
2. Check the harness connection.
(HVCN: pin 4, 10, 11)
3. Replace the High Voltage Unit.
4. Replace the BCU.
1. Check the harness connection.
(LVCN)
2. Replace the Power Supply Unit .
3. Replace the BCU.
1. Check the harness connection.
(FUCN: pin 1 ~ 8)
2. Replace the Fusing Unit .
3. Replace the BCU.
SM