C2A14 (bizhub C759/C659)

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Trouble typeC2A14: Drum unit/K new release failure
RankB
Trouble detection conditionThe status with the new unit is not cleared after the new drum unit/K is set.
Trouble isolation–
Relevant electrical parts-Drum unit/K
-PH relay board (PHRYB)

 Procedure

  1. Clean the connection between the drum unit/K and the developing unit/K if dirty.
  2. Reinstall the drum unit/K.
  3. Check the connector between the developing unit/K-relay CN214-PHRYB CN2 for proper connection and correct as necessary.
  4. Replace the drum unit/K. (Part# A9K70RD)
  5. PHRYB ICP7 conduction check.
  6. Replace PHRYB. (Part# A8JEH00301)

L.3.9.22 (Link to the Field Service Manual)