C1140 (bizhub C759/C659)

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Trouble typeC1140: Alignment motor/rear malfunction
RankB
Trouble detection condition<When FS-536 or FS-536SD is installed>
The alignment plate/R home sensor (PS13) is not turned OFF (unblocked) or ON (blocked) even after the set period of time has elapsed while the alignment motor/rear (M8) is energized.
<When FS-537 or FS-537SD is installed>
The alignment plate/R home sensor (PS6) is not turned OFF (unblocked) or ON (blocked) even after the set period of time has elapsed while the alignment motor/rear (M13) is energized.
Trouble isolation–
Relevant electrical parts<When FS-536 or FS-536SD is installed>
-Alignment motor/rear (M8)
-Alignment plate/R home sensor (PS13)
-FS control board (FSCB)
<When FS-537 or FS-537SD is installed>
-Alignment motor/rear (M13)
-Alignment plate/R home sensor (PS6)
-FS control board (FSCB)

 Procedure

 When FS-536 or FS-536SD is installed

  1. Check the connector between M8-FSCB J12 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 PS13-FSCB J9 for proper connection and correct as necessary.
  4. PS13 I/O check, sensor check
    • Control signal: FSCB J9<B>-11 (ON)
    • Location of electrical component: FS-536/FS-536SD 10-C
  5. M8 operation check
    • Control signal: FSCB J12-13 to 16 (ON)
    • Location of electrical component: FS-536/FS-536SD 6-C
  6. Replace M8. (Part# A3EPPP5500)
  7. Replace FSCB. (Part# A87GPP0V00)

 When FS-537 or FS-537SD is installed

  1. Check the connector between M13-relay CN3-FSCB J21 for proper connection and correct as necessary.
  2. Check the connector of M13 for proper drive coupling and correct as necessary.
  3. Check the connector between PS6-relay CN4-relay CN3-FSCB J21 for proper connection and correct as necessary.
  4. PS6 I/O check, sensor check
    • Control signal: FSCB J21-10 (ON)
    • Location of electrical component: FS-537/FS-537SD 4-D
  5. M13 operation check
    • Control signal: FSCB J21-1 to 4
    • Location of electrical component: FS-537/FS-537SD 4-D
  6. Replace M13. (Part# A87HPPAD00)
  7. Replace FSCB. (Part# A87HPP9M01)

L.3.8.22 (Link to the Field Service Manual)