Ricoh A229 Service Manual page 426

SC302-01: Charge corona output error 1
-Definition- [B]
The feedback voltage from the charge corona unit is too high.
- Possible causes -
• Charge P.P. defective
• Poor charge corona unit connection
SC302-02: Charge corona output error 2
-Definition- [B]
The control PWM for the charge corona unit is too high.
- Possible causes -
• Charge P.P. defective
• Poor charge corona unit connection
SC302-03: Charge corona output error 3
-Definition- [B]
The control PWM for the charge grid is too high.
- Possible causes -
• Charge P.P. defective
• Poor charge corona unit connection
SC302-04: Charge corona output error 4
-Definition- [B]
The feedback voltage from the charge grid is too high.
- Possible causes -
• Charge P.P. defective
• Poor charge corona unit connection
SC303-01: Charge corona wire cleaner error 1
-Definition- [B]
The charge corona wire cleaner does not return to its home position.
- Possible causes -
• Charge corona wire cleaner motor defective
• Charge P.P. defective
• IOB defective
SM
SERVICE CALL CONDITIONS
6-3 A229