Sc300-00: Charge Corona Wire Voltage Error; Sc301-00: Charge Corona Wire Voltage Error; Sc300-00, Sc301-00 - Ricoh Pro 8300S Troubleshooting Manual

1.SC Codes
SC300

SC300-00, SC301-00

Error Name

SC300-00: Charge Corona Wire Voltage Error



SC301-00: Charge Corona Wire Voltage Error


Pattern
D
Error Condition
300-00: Charge wire voltage of "Pre-charge/C1 output (the upstream side 1st wire)" falls below the
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prescribed value.
301-00: Charge wire voltage of "Main-charge/C2 output (the downstream side 2nd and 3rd wire)"
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falls below the prescribed value.
Major Cause
 Drum charge unit was not set correctly.
Leakage occurred at some point in the circuit.
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 Connector of electric signal wires (harnesses) was not connected properly.
Electric signal wires (harnesses) are damaged.

Drum charge wire is defective (damaged).
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 Drum charge unit id defective.
CGB power pack board is damaged.

Solution
1. Check whether the drum charge unit is installed correctly
Re-install the drum charge unit if necessary.
2. Check the location of leakage
If there is paper dust, spilled toner, etc, clean the area. If there is bending, contact, etc, repair as
necessary.
3. Check whether the connector of signal harness is connected properly
Reconnect the drum charge unit harness connector.
4. Check if the signal harness is damaged
Replace the drum charge unit harness.
5. Drum charge wire defective (damaged)
Replace the drum charge wire.
Execute "Reset Corona Wire Charger" (SP7-622-014).
6. Drum charge unit defective
Replace the drum charge unit .
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