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C1104 (bizhub 950i/850i)

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Trouble typeC1104: Stacker plate drive motor malfunction (When FS-540 or FS-540SD is installed)
RankB
Trouble detection condition– The stacker plate home sensor (PS30) is not turned OFF (unblocked) after the set period of time has elapsed after the plate drive starts from the home position. Or, the stacker plate position sensor (PS29) is not turned ON (blocked) even after the set period of time has elapsed.

– The stacker plate home sensor (PS30) is not turned ON (blocked) after the set period of time has elapsed after the stacker plate drive motor (M3) is energized when the plate returned to the home position.
Trouble isolation–
Relevant electrical parts– Stacker plate drive motor (M3)
– Stacker plate position sensor (PS29)
– 1 Stacker plate home sensor (PS30)
– FS control board (FSCB)

Procedure

  1. Check the connector between M3-relay CN1B-FSCB J22 for proper connection and correct as necessary.
  2. Check the connector of M3 for proper drive coupling and correct as necessary.
  3. Check the connector between PS29-relay CN2-relay CN1B-FSCB J22 for proper connection and correct as necessary.
  4. Check the connector between PS30-relay CN2-relay CN1B-FSCB J22 for proper connection and correct as necessary.
  5. PS29 I/O check, sensor check
    • Control signal: FSCB J22<B>-7 (ON)
    • Location of electrical component: FS-540/FS-540SD 3-D
  6. PS30 I/O check, sensor check
    • Control signal: FSCB J22<B>-10 (ON)
    • Location of electrical component: FS-540/FS-540SD 3-D
  7. M3 operation check
    • Control signal: FSCB J22<B>-1 to 2
    • Location of electrical component: FS-540/FS-540SD 2-D
  8. Replace M3.
  9. Replace FSCB.

(Link to the Field Service Manual)

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