Ricoh M C250FW, Field Service Manual

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6.Troubleshooting
196
SC No. Type Error Name/Error Condition/Major Cause/Solution
10 The power supply for the LDB is abnormal during the startup operation of the
machine or after the cover is closed.
•
EGB (PCB1) defective (LD +5VS power error)
•
LDB defective (LD driver defective)
•
LDB harness broken
•
Interlock switches (SW1, SW2, SW3) defective
•
Power supply detection error
Check if the SC occurs by turning the power OFF then ON. If the SC occurs again,
do the following steps. Check if the SC reoccurs by cycling the power after each
step.
1.
Replace the EGB (PCB1).
2.
Replace the interlock switches (SW1, SW2, SW3).
SC 3xx (Around the Drum)
SC No. Type Error Name/Error Condition/Major Cause/Solution
SC396-
00
D Black drum motor (M2) error
The motor LOCK signal is detected for more than 2 seconds while the motor
START signal is ON.
•
Black drum motor (M2) defective
•
Loose, broken, defective connector or harness defective
•
EGB (PCB1) defective
•
AIO (K) or image transfer unit overload
Check if the SC occurs by turning the power OFF then ON. If the SC occurs again,
do the following steps. Check if the SC reoccurs by cycling the power after each
step.
1.
Replace the black drum motor (M2).
2.
Reconnect the black drum motor (M2) connector.
3.
Replace the black drum motor (M2) harness.
4.
Replace the EGB (PCB1).
5.
Replace the AIO (K) or the image transfer unit.
SC No. Type Error Name/Error Condition/Major Cause/Solution
SC397-
00
D Color drum motor (M1) error
The motor LOCK signal is detected for more than 2 seconds while the motor
START signal is ON.
•
Color drum motor (M1) defective
•
Loose, broken, defective connector or harness defective