C8103 (bizhub C759/C659)

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Trouble typeC8103: Lift up mechanism trouble (Upward movement)
RankB
Trouble detection conditionThe lift up upper sensor (PS2) is not turned ON (unblocked) after a lapse of a given time after the lift-up motor (M5) moves up (is turned forward).
Trouble isolationDF
Relevant electrical parts-Lift-up motor (M5)
-Lift up upper sensor (PS2)
-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 PS2-DFCB CN6 for proper connection and correct as necessary.
  4. PS2 I/O check, sensor check
    • Control signal: DFCB CN6-3 (ON)
    • Location of electrical component: DF 7-I
  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. (Part# A782M10100)
  7. DFCB ICP5 conduction check.
  8. Replace DFCB. (Part# A782H0010A)

L.3.14.2 (Link to the Field Service Manual)