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C7603 (bizhub C360i/C300i/C250i)

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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 (M21)
• Base board (BASEB)

Procedure

  1. BASEB F3E conduction check
  2. Check the connector between M21-BASEB CN19E for proper connection and correct as necessary.
  3. M21 load check
    • Check code: 50
    • Multi code: 1, 4, 5
    • Control signal: BASEB CN19EB-6 to 10
    • Location of electrical component: 2-C
  4. Replace M21. (Part# AA2JM11000)
  5. Replace BASEB. (Part# AA2JH02005)

Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.

L.3.13.34 (Link to the Field Service Manual)

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