C2A21, C2A22, C2A23, C2A24 (C4751i)

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ByEric Ditges
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Contents

Trouble typeC2A21: Toner cartridge/C new release failureC2A22: Toner cartridge/M new release failureC2A23: Toner cartridge/Y new release failureC2A24: Toner cartridge/K new release failure
RankC
Trouble detection conditionThe status with the new unit is not cleared after the new toner cartridge is set.
Trouble isolation–
Relevant electrical partsToner cartridge/C,M,Y,KCPU board (CPUB)Base board (BASEB)

Procedure

  1. Reinstall the toner cartridge.
  2. Clean the connection between the toner cartridge and the main body if dirty.
  3. Check the connector between the toner cartridge/C-relay CN102-BASEB CN11E for proper connection and correct as necessary. (C2A21)
  4. Check the connector between the toner cartridge/M-relay CN101-BASEB CN11E for proper connection and correct as necessary. (C2A22)
  5. Check the connector between the toner cartridge/Y-relay CN100-BASEB CN11E for proper connection and correct as necessary. (C2A23)
  6. Check the connector between the toner cartridge/K-relay CN103-BASEB CN11E for proper connection and correct as necessary. (C2A24)
  7. Check CPUB for proper installation and correct as necessary.
  8. Replace the corresponding toner cartridge.
  9. Replace CPUB.
  10. Replace BASEB.

(Link to the Field Service Manual)