Ricoh SAVIN D0AP Service Manual page 462

SC No. Type
2.
3.
6.2.5 SC400 (IMAGE PROCESSING)
SC No. Type
SC440-01 D High voltage power: Transfer bias output error
A continuous error signal was detected for 200 ms during transfer positive
bias output.
Hardware related causes:
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Load related causes:
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Power cycle the machine to see if the error reoccurs. If the SC occurs again,
do the following steps. Check if the SC reoccurs by cycling the power off/on
after each step.
1.
2.
3.
4.
5.
6.
7.
8.
SC440-02 D High voltage power: Loose connector
An error signal was detected continuously for 40 ms in standby mode with the
front cover closed.
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D0AP/D0C4/D0C5/D0C6/M0BQ/M0D1
Error Name/Error Condition/Major Cause/Solution
Replace the drum motor (M3) harness.
Replace the engine board.
Error Name/Error Condition/Major Cause/Solution
Contact failure
Loose, broken, defective connector on the controller side
Grounding, open-circuit in the high voltage route
Arc discharge due to lack of space
The shorted harness on the controller side
Engine board malfunction due to signal error
HVPS defective
Short-circuit
Arc discharge due to lack of space
Increase in transfer roller impedance (Low-temperature environment, due
to dirt )
Open-circuit in the power supply route
Re-install the transfer roller.
Replace the transfer roller.
Reconnect the CN220 connector on engine board (Printer: BCU, MF:
SCB).
Reconnect the CN800 connector on HVPS.
Re-install the HVPS.
Replace the HVPS.
Replace the engine board (Printer: BCU, MF: SCB).
Replace the harnesses on HVPS.
Loose connector on the controller side
6-16
Service Call
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