C760B (bizhub 650i/550i/450i)

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Contents

Trouble typeC760B: Power line A11 error
RankC
Trouble detection conditionThe fuse detection unit detected an error for a predetermined time.
Trouble isolation–
Relevant electrical parts-Expansion control board (EXCB)
-Base board (BASEB)

Procedure

  1. BASEB F12E conduction check
  2. Check the connector between EXCB CN1EX-BASEB CN11E for proper connection and correct as necessary.
  3. Replace EXCB. (Part# AC74H00501)
  4. Replace BASEB. (Part# AC74H02101)

(Link to the Field Service Manual)