CD252 (bizhub C750i)

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Trouble typeCD252: No relay boards for IC-420 mounting at IC-420 mount setting
RankC
Trouble detection conditionEFI relay boards (EFIRYB: VI-516) are not mounted when the IC-420 is set to mount setting at Service Mode.
Trouble isolation–
Relevant electrical parts-CPU board (CPUB)
-Base board (BASEB)
-EFI relay board (EFIRYB: VI-516)

Procedure

  1. If the IC-420 is not mounted, access [Service Mode] -> [System 2] -> [Image Controller Setting] and check to see if �??Controller 0�?? is set for [Image Controller Setting].
  2. Check EFIRYB for proper connection and correct as necessary.
  3. Check CPUB for proper installation and correct as necessary.
  4. Replace EFIRYB. (Part# AA2JH02800)
  5. Replace CPUB. (Part# ACKNH02P03)
  6. Replace BASEB. (Part# ACKNH02101)

(Link to the Field Service Manual)