CFB0# – CFB2# (bizhub C650i/C550i/C450i)

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Contents

Trouble typeCFB0# to CFB2#: Abort code
RankC
Trouble detection condition–
Trouble isolation–
Relevant electrical partsCPU board (CPUB)

Procedure

  1. Turn OFF the main power switch and unplug the power cord. Connect the power cord after 15 sec. or more, and turn ON the main power switch.
  2. Check CPUB for proper installation and correct as necessary.
  3. Rewrite the firmware.
  4. Execute [Service Mode] -> [State Confirmation] -> [Memory/Storage Adjustment] -> [Memory Check] -> [Rough Check], and check that no abnormalities. When “NG” is displayed, replace the appropriate memory or PWB.
    • WORK0: CPU board (CPUB) LPDDR4 main memory ChA
    • WORK1: CPU board (CPUB) LPDDR4 main memory ChB
  5. Replace CPUB. (C650i Part# AA7NH02P03 / C550i Part# AA7PH02P01 / C450i Part# AA7RH02P02)

L.3.21.2 (Link to the Field Service Manual)