C8107 (bizhub C759/C659)

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Trouble typeC8107: Glass cleaning mechanism trouble
RankB
Trouble detection conditionThe front side cleaning home sensor (PS18) is not turned ON (unblocked) even after the set period of time has elapsed after the front side cleaning motor (M8) turned ON.
Trouble isolationDF
Relevant electrical partsFront side cleaning motor (M8)Front side cleaning home 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 between PS18-DFCB CN18 for proper connection and correct as necessary.
  3. Check the connector of M8 for proper drive coupling 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. (Part# A782M10200)
  7. DFCB ICP8 conduction check.
  8. Replace DFCB. (Part# A782H0010A)

L.3.14.4 (Link to the Field Service Manual)