C8107 (bizhub 950i/850i)

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Trouble typeC8107: Glass cleaning mechanism trouble
RankB
Trouble detection conditionThe document reading glass cleaning sensor (PS18) is not turned ON (blocked) after the set period of time has elapsed after the document reading glass cleaning motor (M8) is energized.
Trouble isolationDF
Relevant electrical parts– Document reading glass cleaning motor (M8)
– Document reading glass cleaning sensor (PS18)
– DF control board (DFCB)

Procedure

  1. Check the connector between M8-DFCB CN14 for proper connection and correct as necessary.
  2. Check the connector of M8 for proper drive coupling and correct as necessary.
  3. Check the connector between PS18-DFCB CN18 for proper connection and correct as necessary.
  4. PS18 I/O check, sensor check
    • Control signal: DFCB CN18-3 (ON)
    • Location of electrical component: DF 3-C
  5. M8 load check
    • Check code: 60
    • Multi code: 65, 66, 67
    • Control signal: DFCB CN14-1 to 4
    • Location of electrical component: DF 6-C
  6. Replace M8.
  7. Replace DFCB.

(Link to the Field Service Manual)