C5610 (bizhub C650i/C550i/C450i)

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Trouble typeC5610: PH LD drive communication error
RankC
Trouble detection conditionLD drive write data and read data disagree with each other a predetermined number of consecutive times.
Trouble isolation–
Relevant electrical parts-PH unit
-CPU board (CPUB)
-Base board (BASEB)

Procedure

  1. Reboot the machine.
  2. Check the connector between BASEB CN17E-relay CN307-PH unit for proper connection and correct as necessary.
  3. Check CPUB for proper installation and correct as necessary.
  4. Replace the PH unit. (C450i Part# AA7RR70100) / C650i/C550i Part# AA7NR70500)
  5. Replace CPUB. (C450i Part# AA7RH02P02 / C550i Part# AA7PH02P01 / C650i Part# AA7NH02P03)
  6. Replace BASEB. (Part# AA7NH02102)

L.3.12.14 (Link to the Field Service Manual)