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C8106 (bizhub 950i/850i)

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Trouble typeC8106: Lift up mechanism failure (Downward movement)
RankB
Trouble detection conditionThe DF lift-up lower limit sensor (PS3) is not turned ON (blocked) after a lapse of a given time after the DF lift-up motor (M5) goes down (is turned backward).
Trouble isolationDF
Relevant electrical parts– DF lift-up motor (M5)
– DF lift-up lower limit sensor (PS3)
– DF control board (DFCB)

Procedure

  1. Check the connector between M5-DFCB CN9 for proper connection and correct as necessary.
  2. Check the connector of M5 for proper drive coupling and correct as necessary.
  3. Check the connector between PS3-DFCB CN10 for proper connection and correct as necessary.
  4. PS3 I/O check, sensor check
    • Control signal: DFCB CN10-3 (ON)
    • Location of electrical component: DF 10-C
  5. M5 load check
    • Check code: 60
    • Multi code: 97, 98
    • Control signal: DFCB CN9-1 to 5
    • Location of electrical component: DF 5-C
  6. Replace M5.
  7. Replace DFCB.

(Link to the Field Service Manual)

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