Ricoh MP c5000 error sc491 and sc492
Code: 491
Description:
High voltage power: drum polarization output / development error
An error signal is detected for 0.2 seconds when loading the drum or development.
Causes:
• High voltage leakage • Broken harness • Drum unit or development unit defective • High voltage supply unit defective
Remedy:
1. Check or replace harness. 2. Replace the drum unit or paper transfer unit. 3. Replace the high voltage supply unit
Code: 492
Description:
High voltage power: imag transfer output error
Code: 492
Description:
High voltage power: image transfer output error / paper transfer bias
An error signal is detected for 0.2 seconds when loading the separation, the image transfer bet or the paper transfer roller.
Causes:
• High voltage leak • Broken harness • Defective image transfer belt unit or paper transfer unit • Defective high voltage supply unit
Remedy:
1. Check or replace harness. 2. Replace the image transfer belt unit or the image transfer unit
You can read it full
https://printcopy.info/?mod=erc&brand=Ricoh&model=Aficio+MPC5000&code=492
it could be your high voltage card, that's how it was when you touched it and after the mantle it looked like this
