C1106 (bizhub C750i)

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When FS-539 or FS-539SD is installed

Contents

Trouble type	C1106: Stapler movement motor drive malfunction (When FS-539 or FS-539SD is installed)
Rank	B
Trouble detection condition	-The stapler home sensor (PS35) is not turned OFF (unblocked) after the set period of time has elapsed after the stapler drive starts from the home position. -The stapler home sensor (PS35) is not turned ON (blocked) after the set period of time has elapsed after the stapler movement motor (M13) is energized when the stapler returned to the home position. -The stapler does not reach the specified position within the set period of time.
Trouble isolation	Staple
Relevant electrical parts	-Stapler movement motor (M13) -Stapler home sensor (PS35) -FS control board (FSCB)

Procedure

1. Check the connector between M13-relay CN3-FSCB J11 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 PS35-relay CN18-FSCB J21 for proper connection and correct as necessary.
4. PS35 I/O check, sensor check
   • Control signal: FSCB J21-6 (ON)
   • Location of electrical component: FS-539/FS-539SD 6-C
5. M13 operation check
   • Control signal: FSCB J11<A>-1 to 4
   • Location of electrical component: FS-539/FS-539SD 4-C
6. Replace M13. (Part# A3EPPP9104)
7. FSCB F8 or F10 conduction check
8. Replace FSCB. (Part# AAR4PP8201)

 When FS-540 or FS-540SD is installed

Contents

Trouble type	C1106: Stapler movement motor drive malfunction (When FS-540 or FS-540SD is installed)
Rank	B
Trouble detection condition	-The corner staple position sensor/Fr (PS53) is not turned OFF (unblocked) after the set period of time has elapsed after the stapler drive starts from the home position. -The corner staple position sensor/Fr (PS53) is not turned ON (blocked) after the set period of time has elapsed after the stapler movement motor (M19) is energized when the stapler returned to the home position. -The stapler does not reach the specified position within the set period of time.
Trouble isolation	Staple
Relevant electrical parts	-Stapler movement motor (M19) -Corner staple position sensor/Fr (PS53) -FS control board (FSCB)

Procedure

1. Check the connector between M19-FSCB J17 for proper connection and correct as necessary.
2. Check the connector of M19 for proper drive coupling and correct as necessary.
3. Check the connector between PS53-FSCB J16 for proper connection and correct as necessary.
4. PS53 I/O check, sensor check
   • Control signal: FSCB J16<B>-3 (ON)
   • Location of electrical component: FS-540/FS-540SD 15-K to L
5. M19 operation check
   • Control signal: FSCB J17-8 to 11
   • Location of electrical component: FS-540/FS-540SD 13 to 14-D
6. Replace M19. (Part# A2Y1M10200)
7. FSCB F10 or F13 conduction check.
8. Replace FSCB. (Part# AAR5PPD401)

(Link to the Field Service Manual)