C7603 (bizhub C650i/C550i/C450i)

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Contents

Trouble typeC7603: Power line A3 error
RankC
Trouble detection conditionThe fuse detection unit detected an error for a predetermined time.
Trouble isolation–
Relevant electrical parts-Developing motor (M27)
-Base board (BASEB)

Procedure

  1. BASEB F3E conduction check
  2. Check the connector between M27-BASEB CN19E for proper connection and correct as necessary.
  3. M27 load check
    • Check code: 50
    • Multi code: 1, 2, 3, 4 (bizhub C650i), 1, 3, 4 (bizhub C550i), 1, 2, 4 (bizhub C450i)
    • Control signal: BASEB CN19EB-6 to 10
    • Location of electrical component: 2-C
  4. Replace M27. (Part# AA2JM11100)
  5. Replace BASEB. (Part# AA7NH02102)

L.3.14.41 (Link to the Field Service Manual)