C3B08 (bizhub C759/C659)

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Trouble typeC3B08: IH input voltage error
C3B08: IH input voltage error
RankB
Trouble detection condition-While the IH heater was ON, input power was at the high voltage detection value or over for more than the predetermined period of time.
-While the IH heater was ON, input voltage was at the low power detection value or under for more than the predetermined period of time.
Trouble isolation–
Relevant electrical parts-Fusing unitIH coil (IHC)
-IH power supply unit (IHPU)
-Noise filter (NF1)
-MFP board (MFPB)

 Procedure

  1. Check the fusing unit for correct installation (whether it is secured in position).
  2. Check the marketing area of the fusing unit. If the marketing area is incorrect, replace the fusing unit for proper marketing area.
  3. Check the marketing area of IHPU. If the marketing area is incorrect, replace IHPU for proper marketing area.
  4. Check the connector between IHPU-IHC for proper connection and correct as necessary.
  5. Replace IHC. (Part# A8JEM40400)
  6. Replace IHPU. (Part# A8KNM40A02)
  7. Replace NF1. (Part# A795M40J00)
  8. Replace MFPB. (Part# A8JEH02002)

L.3.10.16 (Link to the Field Service Manual)