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C7616 (bizhub C4050i/C3350i)

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Trouble typeC7616: Power line A21 error
RankC
Trouble detection conditionThe fuse detection unit detected an error for a predetermined time.
Trouble isolation–
Relevant electrical parts• Toner supply motor/YM (M4)
• Toner supply motor/CK (M5)
• Base board (BASEB)

Procedure

  1. BASEB F5E conduction check
  2. Check the connector between M4-BASEB CN13E for proper connection and correct as necessary.
  3. Check the connector between M5-BASEB CN13E for proper connection and correct as necessary.
  4. Replace M4. (Part# A7PUM10700)
  5. Replace M5. (Part# A7PUM10700)
  6. Replace BASEB. (Part# A93EH02007)

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

L.3.12.24 (Link to the Field Service Manual)

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