Error SC312-02 SC491-00 Copier RICOH MPC3003 MPC3503 MPC4503 MPC5503 MPC6003 for service only

Tutorial SERVICE CALL sc312 Photocopier Ricoh Aficio MP-C6003, MP-C5503, MP-C4503, MP-C4503, MP-C3503, MP-C3003 color. Error sc312-01 Charge Roller HVP_CB Output Error. High Voltage board HVP replacement - This item had a defect and was corrected so the defect may be due to a manufacturing error. A detailed description of the errors:
SC312-01 Charge Roller HVP_CB Output Error Black
SC312-02 Charge Roller HVP_CB Output Error Cyan
SC312-03 Charge Roller HVP_CB Output Error Magenta
SC312-04 Charge Roller HVP_CB Output Error Yellow

Charging AC is set to ON at the standard speed, and the FB
voltage of the charging AC of each color is monitored for 200 ms
at 20ms intervals (10 times) after 80ms of charge AC_ON, and
below 0.3V is detected continuously for 200ms (10 times), the
SC of the corresponding color lights up, and machine operation
is suspended.
High voltage harness defective or shorted.
PCU setting fault or damage
HVP_CB fault
Connector disconnected
Harness broken
Service activities necessary to repair the copier:
High voltage harness reset/replacement
PCU reset/replacement
Replace the HVP_CB
Connector reset
Replace the harness

SC491-00 High voltage power source: charge/development: output error. SC detection signal (charge/development) is L (abnormal) for 200 ms consecutively during high voltage (charge/development) output. For service:
§ Cycle the main power off/on
§ Reset or replace the harness of high voltage power supply
feed path
Reset or replace the harness between IOB-HVP_CB
Reset or replace the PCU
Check the operation of the contact mechanism
Replace the HVP_CB
Replace the IOB

SC493-00 High voltage power source: DS development: output error :
Turn the power off/on Reset or replacement the harness of high voltage power supply feed path
Reset or replace the unit
Replace the high voltage power source

Płyta Power Pack RICOH MPC3003 MPC3503 MPC4503 MPC5503 MPC6003 AZ230204 AZ320196 http://copy-expert.com/pl/p/Plyta-Pow...

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