Ricoh BE-C1 D046, Field Service Manual, Page: 489 / 734

Group 300: Charge, Development
SC300 D
Charge corona output error
Charge corona feedback voltage less than 0.5 V was detected for more than 200
sec after power on.
• TD power pack defective.
• High voltage cable defective.
• Dirty charge corona wire caused voltage leak
SC303 D
Charge grid output error
Control PWM duty value is higher than 1% (FB less than 1V) for more than 200 ms
due to grid current leak.
• CGB power pack is defective.
• CGB power pack harness loose, broken, defective
SC305 D
Charge corona wire cleaner error
The wire cleaning pad did not return to its home position within 5 sec. after wire cleaning.
• Wire cleaner motor harness loose, broken, defective
• Wire cleaner motor defective
• Charge corona wire defective
Note:
• This SC is not issued if SP2804 is set to zero (no cleaning).
• If immediate repair is not possible, set SP2804 to zero to switch off the charge
corona cleaner function.
SC347 D
Development drive motor lock error
Development drive motor stopped (the lock signal remained HIGH longer than 5 sec.
when the development was operating).
• Motor or drive mechanism blocked
• Motor harness loose, broken, defective
• Motor defective
SC Tables
41
5