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Konica-Minolta bizhub C224e

  • Code: C2558
  • Description: Abnormally high toner density detected black TCR sensor
    The TC ratio of the toner determined by the toner replenishment control is detected to be the predetermined value or over for consecutive times.
  • Remedy: 1 Reinstall developing unit. 2 Reinstall toner cartridge. 3 Check the connector between developing unit-FRB CN13, CN14, CN15, CN16, CN10 for proper connection and correct as necessary. 4 Check the connector between FRB CN1, CN3-PRCB CN7, CN9 for proper connection and correct as necessary. 5 Replace the developing unit. 6 Replace FRB. 7 Replace PRCB.
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