C2A24 (bizhub 4750i/4050i)

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Trouble typeC2A24: Toner cartridge/K new release failure
RankB
Trouble detection conditionThe status with the new unit is not cleared after the new toner cartridge is set.
Trouble isolation–
Relevant electrical parts-Toner cartridge/K
-CPU 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/K-BASEB CN11E for proper connection and correct as necessary.
  4. Check CPUB for proper installation and correct as necessary.
  5. Replace the toner cartridge. TNP90 (Part# ACTD030)
  6. Replace CPUB. (Part# ACT9H01003)
  7. Replace BASEB.
    4750i (Part# ACT9H02013)
    4050i (Part# ACT9H02002)

(Link to the Field Service Manual)