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C7628 (bizhub 950i/850i)

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Trouble typeC7628: Power line B8 error
RankC
Trouble detection conditionThe fuse detection unit detected an error for a predetermined time.
Trouble isolation–
Relevant electrical parts– LCC transport motor (M25)
– Paper feed/transport drive board (PFTDB)

Procedure

  1. PFTDB F21 conduction check.
  2. Check the connector between M25-PFTDB CN13 for proper connection and correct as necessary.
  3. M25 load check
    • Check code: 28
    • Multi code: 25, 26, 27, 28
    • Control signal: PFTDB CN13-1 to 7
    • Location of electrical component: 11-X
  4. Replace M25.
  5. Replace PFTDB.

(Link to the Field Service Manual)

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