Copier Errors - Ricoh G157 Service Manual

ERROR INDICATION
E8 Data scanning error
during transmission
E9 Not used
EA Document removed
at phase B
EB~ED Not used
EE~F2 Not used
F3, F5 Not used
F4 Not used
F6 Not used
F7 Not used
F8 Battery connection
error
F9~FE Not used
FF Not used

Copier Errors

Error
No.
Code
1 SVC C3 NVRAM Error:
Data in NVRAM on the BCU is found
to be defective at the data
confirmation process at power-on.
2 SVC C4 BCU Error:
Data between ASIC and CPU is
abnormal due to broken parts on
BCU.
3 SVC C7 Process Timing Error:
Synchronization Signal from Main
Motor for OPC belt unit is not
inputted.
4 SVC D1 Development Clutch (Y) Error:
Connector is not properly connected
with Clutch, and/or Harness is
shorted or cut.
5 SVC D2 Development Clutch (M) Error:
Connector is not properly connected
with Clutch, and/or Harness is
shorted or cut.
G157
CIS defective
BCU or controller defective
Leading edge sensor
actuator caught on the
surrounding parts
Sensor PCB defective
BCU or controller defective
Disconnection
Possible Cause
4-10
Replace the scanner
cover (scanner unit).
Replace the BCU and/or
controller.
Correct the surrounding
parts on which the
actuator is caught.
Replace the sensor PCB.
Replace the BCU and/or
controller.
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Connect the battery.
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Countermeasure
1. Do "NVRAM INITIAL" in the service
mode.
2. Replace the BCU.
1. Replace the BCU.
1. Check the harness.
2. Replace the Main Motor.
3. Replace the BCU.
1. Check the harness connection.
(MCN4: pin19, 20)
2. Replace the Development Clutch
(Y).
3. Replace the BCU.
1. Check the harness connection.
(MCN4: pin17, 18)
2. Replace the Development Clutch
(M).
3. Replace the BCU.
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SM