C1109 (bizhub 750i)

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When FS-539 or FS-539SD is installed

Contents

Trouble typeC1109: Stapler motor drive malfunction (When FS-539 or FS-539SD is installed)
RankB
Trouble detection condition-The stapler sensor is not turned OFF or ON even after the set period of time has elapsed after the stapler motor is energized.

-The stapler center position sensor (PS24) is turned ON (blocked), when the stapler motor is running.
Trouble isolationStaple
Relevant electrical parts-Stapler unit
-Stapler center position sensor (PS24)
-FS control board (FSCB)

Procedure

  1. Check the connector between the stapler unit-relay CN6-FSCB J11 for proper connection and correct as necessary.
  2. Check the connector of the stapler unit for proper drive coupling and correct as necessary.
  3. Check the connector between PS24-relay CN3-FSCB J11 for proper connection and correct as necessary.
  4. PS24 I/O check, sensor check
    • Control signal: FSCB J11<B>-6 (ON)
    • Location of electrical component: FS-539/FS-539SD 5-C
  5. Replace the stapler unit. (Part# A3EP560100)
  6. Replace FSCB. (Part# AAR4PP8201)

 When FS-540 or FS-540SD is installed

Contents

Trouble typeC1109: Stapler motor drive malfunction (When FS-540 or FS-540SD is installed)
RankB
Trouble detection condition-The stapler sensor is not turned OFF or ON even after the set period of time has elapsed after the stapler motor (M5) is energized.

-The stapler center position sensor (PS20) is turned ON (blocked), when the stapler motor (M5) is running.
Trouble isolationStaple
Relevant electrical parts-Stapler unit
-Stapler center position sensor (PS20)
-FS control board (FSCB)

Procedure

  1. Check the connector between the stapler unit-FSCB J17 for proper connection and correct as necessary.
  2. Check the connector of the stapler unit for proper drive coupling and correct as necessary.
  3. Check the connector between PS20-FSCB J16 for proper connection and correct as necessary.
  4. PS20 I/O check, sensor check
    • Control signal: FSCB J16<A>-3
    • Location of electrical component: FS-540/FS-540SD 14-K to L
  5. Replace the stapler unit. (Part# AAR5PPE200)
  6. Replace FSCB. (Part# AAR5PPD401)

(Link to the Field Service Manual)