C7107 (bizhub 950i/850i)

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Trouble typeC7107: ADU transport motor/1 failure
RankC
Trouble detection conditionAfter starting the motor, an error is detected for the malfunction detection signal.
Trouble isolation–
Relevant electrical parts– ADU transport motor/1 (M31)
– Paper feed/transport drive board (PFTDB)

Procedure

  1. Check the connector between M31-relay CN199-relay CN166A-PFTDB CN28 for proper connection and correct as necessary.
  2. Check the connector of M31 for proper drive coupling and correct as necessary.
  3. M31 conduction check.
    • Control signal: PFTDB CN28-14 to 17
    • Location of electrical component: 4-P
  4. Replace M31.
  5. Replace PFTDB.

(Link to the Field Service Manual)