C2564 (bizhub 558/458)

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Trouble typeC2564: Black TCR sensor failure
RankB
Trouble detection condition• Alarm signals for TCR sensor is detected more than the predetermined number of times.
• This detection is used for detecting disconnection of TCR sensor connector.
Trouble isolation–
Relevant electrical parts• Developing unit
• Front side board (FRB)
• MFP board (MFPB)

 Procedure

  1. Reinstall the developing unit.
  2. Check the connector between the developing unit-FRB CN13 for proper connection and correct as necessary.
  3. Check the connector between FRB CN1, CN3-MFPB CN4E, CN5E for proper connection and correct as necessary.
  4. Replace the developing unit. (Part# A9C803D)
  5. Replace FRB. (Part# A9HJH00501)
  6. Replace MFPB. (558 Part# A9HGH02102 / 458 Part# A9HHH02102)

Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.

K.3.11.7 (Link to the Field Service Manual)