Ricoh G157 Service Manual page 101

Error
No.
Code
6 SVC D3 Development Clutch (C) Error:
Connector is not properly connected
with Clutch, and/or Harness is
shorted or cut.
7 SVC D4 Development Clutch (K) Error:
Connector is not properly connected
with Clutch, and/or Harness is
shorted or cut.
8 SVC D5 Development Solenoid (Y) Error:
Connector is not properly connected
with Solenoid, and/or Harness is
shorted or cut.
9 SVC D6 Development Solenoid (M) Error:
Same as D5 cause.
10 SVC D7 Development Solenoid (C) Error:
Same as D5 cause
11 SVC D8 Development Solenoid (K) Error:
Same as D5 cause
12 SVC E1 Development Motor (DM) Error:
NOT READY signal (rotation error
signal) is detected in case of the
abnormal motor rotation.
13 SVC E2 Main Motor (MM) Error:
NOT READY signal (rotation error
signal) is detected in case of the
abnormal motor rotation.
14 SVC E3 Transfer Belt Error:
Transfer Belt is not rotating stably;
Color matching cannot be secured.
15 SVC E5 Paper Transfer Clutch Error:
Connector is not properly connected
with Clutch, and/or Harness is
shorted or cut.
SM
Possible Cause
4-11
ERROR INDICATION
Countermeasure
1. Check the harness connection.
(MCN4: pin15, 16)
2. Replace the Development Clutch
(C).
3. Replace the BCU.
1. Check the harness connection.
(MCN4: pin21, 22)
2. Replace the Development Clutch
(K).
3. Replace the BCU.
1. Check the harness connection.
(MCN5: pin4, 3)
2. Replace the Development Solenoid
(Y).
3. Replace the BCU.
1. Check the harness connection.
(MCN5: pin6, 5)
2. Replace the Development Solenoid
(M).
3. Replace the BCU.
1. Check the harness connection.
(MCN5: pin8, 7)
2. Replace the Development Solenoid
(C).
3. Replace the BCU.
1. Check the harness connection.
(MCN5: pin2, 1)
2. Replace the Development Solenoid
(K).
3. Replace the BCU.
1. Check toner cartridges.
2. Check the harness connection.
(MCN3: pin 1 ~ 11)
3. Replace the Development gear
assembly.
4. Replace the Development Motor.
5. Replace the BCU.
1. Check the harness connection.
(MCN3: pin 12 ~ 24)
2. Replace the Main Motor.
3. Replace the BCU.
1. Reinstall or replace the Transfer
belt unit.
2. Check the harness connection.
(MCN9: pin 1, 3, 5)
3. Replace the Transfer Belt Sensor.
4. Replace the Power Supply Unit.
5. Replace the BCU.
1. Check the harness connection.
(MCN4: pin 5, 6)
2. Replace the Paper Transfer Clutch.
3. Replace the BCU.
G157