C1131 (bizhub C759/C659)

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Trouble typeC1131: Folding guide motor drive malfunction
RankB
Trouble detection condition<When FS-537+ZU-609 or FS-537SD+ZU-609 is installed>
The guide home sensor (PS500) is not turned ON (blocked) even after the set period of time has elapsed after the folding guide motor (M501) is turned ON.
Trouble isolationZ-folding
Relevant electrical parts-Folding guide motor (M501)
-Guide home sensor (PS500)
-ZU drive board (ZUDB)

 Procedure

  1. Check the connector between M501-ZUDB CN6 for proper connection and correct as necessary.
  2. Check the connector of M501 for proper drive coupling and correct as necessary.
  3. Check the connector between PS500-ZUDB CN5 for proper connection and correct as necessary.
  4. PS500 I/O check, sensor check
    • Control signal: ZUDB CN5-3 (ON)
    • Location of electrical component: ZU-609 3-B
  5. M501 operation check
    • Control signal: ZUDB CN6-9 to 12
    • Location of electrical component: ZU-609 2-B
  6. Replace M501. (Part# A63GR70000)
  7. Replace ZUDB. (Part# A63GH00100)

L.3.8.19 (Link to the Field Service Manual)