CA053 (bizhub C650i/C550i/C450i)

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Trouble typeCA053: Controller start failure
RankC
Trouble detection conditionA controller start failure is detected in the controller interface.
Trouble isolation–
Relevant electrical parts-CPU board (CPUB)
-Base board (BASEB)

Procedure

  1. Check to see if the following setting has been correctly made: [Service Mode] -> [System 2] -> [Image Controller Setting].
  2. If changing the setting, turn OFF the main power switch and turn it ON again after 10 seconds or more.
  3. Check the connectors on BASEB for proper connection and correct as necessary.
  4. Replace CPUB. (C650i Part# AA7NH02P03 / C550i Part# AA7PH02P01 / C450i Part# AA7RH02P02)
  5. Replace BASEB. (Part# AA7NH02102)

L.3.17.1 (Link to the Field Service Manual)