Ricoh MP C6502SP Field Service Manual page 1081

SC No. Level
SC411-04 C
SC No. Level
SC412-01 C
SC412-02 C
SC412-03 C
SC412-04 C
SC No. Level
SC421-01 C
SC421-02 C
SC421-03 C
SC421-04 C
Error Name/Error Condition/Major Cause/Solution
Charge potential (Vd) Adjustment Error (Y)
Failed to adjust the DC charge bias to the target range: Vd*± 8V.
Details:
This SC is issued when the machine fails to adjust the DC charge bias to
the target range: Vd*± 8V during process contol.
• Charge roller dirty
• Replace the charge roller.
Error Name/Error Condition/Major Cause/Solution
LD input current (Vpl) Adjustment Error (K)
LD input current (Vpl) Adjustment Error (C)
LD input current (Vpl) Adjustment Error (M)
LD input current (Vpl) Adjustment Error (Y)
Failed to adjust the LD power to the target range: Vpl*± 5V.
Details:
This SC is issued when the machine fails to adjust the LD power to the
target range: Vpl*± 5V during process contol.
• OPC drum deteriorated (Filming etc.)
• Charge roller dirty
• Replace the OPC drum.
• Replace the charge roller.
Error Name/Error Condition/Major Cause/Solution
OPC home position signal detection error (K)
OPC home position signal detection error (C)
OPC home position signal detection error (M)
OPC home position signal detection error (Y)
Service Call 400-498
1079