Ricoh D0C8, Service Manual

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SC7xx: Peripherals
SM 6-73 D0CA/D0C9/D0C8/D0CB
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No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
defects.
2.
Check if there is any unusual odor from each sensor or any problem with
its appearance.
Replace the sensor if there are any defects.
3.
Replace the finisher Main Board (PCB25).
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC724-30 D
Jogger Motor (M20) Error
The Jogger Fence HP Sensor (SN41) does not turn OFF even though the
Jogger Motor (M20) rotates clockwise or counter-clockwise to move away
from the home position with the specified number of pulses. (The first four
times are displayed as jams. An SC is displayed when it is repeated five
times.)
• Motor defective
• Connector disconnected
• Motor overload
• Jogger fence HP sensor (S41) defective
Check if the SC occurs by turning the main 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.
Check if the harness between the finisher Main Board (PCB25) and the
Jogger Fence HP Sensor (S41) / Jogger Motor (M20) is not stripped or
entrapped.
Replace the harness if there are any defects.
2.
Check if there is any unusual odor from the Jogger Fence HP Sensor
(S41) or any problem with its appearance.
Replace it if there are any defects.
3.
Check if there is any unusual odor from the Jogger Motor (M20) or any
problem with its appearance.
Replace it if there are any defects.
4.
Replace the finisher Main Board (PCB25).