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Ricoh SP210SU

  • Code: SC491
  • Description: Bias Leak (C5)
  • Causes: A bias leak has occurred for the drum charge, development charge, or transfer charge. PWM signals are sampled at 20 msec. intervals. This SC is issued if 10 PWM samplings within 200 msec. are abnormal. • HVPS harness loose, broken, defective • HVPS board defective • AIO terminal defective
  • Remedy: • Cycle the machine off/on • Check all the harness connections of the HVPS • Check spring-loaded AIO terminal installation behind the HVPS. • Replace HVPS.
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