MX-M950, MX-MM1100 (serv.man39). Section 8 Self Diagnostics Trouble Codes - Sharp Copying Equipment Service Manual (repair manual). Page 14

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MX-M1100 SELF DIAG AND TROUBLE CODE  8 – 14
 
F1-11
Discharge motor trouble
 
F1-12
Proof select motor trouble
 
F1-13
Paper exit port open / close motor 
trouble (finisher + saddle unit + 
inserter) Paper exit guide plate open /
close motor trouble (saddle finisher)
 
F1-15
Tray up / down motor trouble  
(finisher + saddle unit + inserter) 
Tray motor trouble (saddle finisher)
 
F1-16
Staple paper exit motor trouble
 
F1-17
Staple select motor trouble
 
F1-18
Holding motor trouble
 
F1-19
Holding front motor trouble
 
F1-20
Holding rear motor trouble
 
F1-22
Proof paper exit motor trouble
Detail
Abnormality of the discharge motor for staple bundle 
discharge of the finisher
Section
PCU
Cause
Motor lock, motor harness short/open, control PWB 
trouble, home position sensor trouble, connection 
harness / connector connection trouble
Check & 
Remedy
Use Sim. 3-3 to check the operation of the discharge 
motor. 
Check connection from the control PWB to the motor. 
Replace the control PWB and the sensor part.
Detail
Finisher proof tray transport select motor abnormality
Section
PCU
Cause
Motor lock, motor harness short / open, control PWB 
trouble, home position sensor trouble, connection 
harness/connector connection trouble.
Check & 
Remedy
Use Sim. 3-3 to check the operation of the discharge 
motor. 
Check connection from the control PWB to the motor. 
Replace the control PWB and the sensor part.
Detail
Abnormality of the paper exit port open / close motor in 
the shift tray paper exit section of the finisher
Section
PCU
Cause
Motor lock, motor harness short / open, control PWB 
trouble, home position sensor trouble, connection 
harness/connector connection trouble.
Check & 
Remedy
Use Sim. 3-3 to check the operation of the paper exit 
port open/close motor. 
Check connection from the control PWB to the motor. 
Replace the control PWB and the sensor part.
Detail
Abnormality of the tray shift motor for moving up and 
down the shift tray of the finisher
Section
PCU
Cause
Motor lock, control PWB trouble, 
paper surface sensor breakdown, 
connection harness / connector connection trouble.
Check & 
Remedy
Use Sim. 3-3 to check the operation of the tray shift 
motor.
Check connection from the control PWB to the motor. 
Replace the control PWB and the sensor part.
Detail
Finisher staple paper exit section transport motor 
abnormality
Section
PCU
Cause
Motor harness short / open, control PWB trouble, 
connection harness / connector trouble.
Check & 
Remedy
Use Sim. 3-3 to check the operation of the staple paper 
exit motor.
Check connection from the control PWB to the motor. 
Replace the control PWB.
Detail
Finisher staple transport path select motor abnormality
Section
PCU
Cause
Motor lock, motor harness short/open, control PWB 
trouble, home position sensor trouble, connection 
harness / connector connection trouble.
Check & 
Remedy
Use Sim. 3-3 to check the operation of the staple select 
motor.
Check connection from the control PWB to the motor. 
Replace the control PWB and the sensor part.
Detail
Paper holding arm drive motor abnormality in the 
finisher staple compiler. 
Section
PCU
Cause
Motor lock, motor harness short / open, control PWB 
trouble, home position sensor trouble, connection 
harness/connector connection trouble.
Check & 
Remedy
Use Sim. 3-3 to check the operation of the holding 
motor. 
Check connection from the control PWB to the motor. 
Replace the control PWB and the sensor part.
Detail
Paper holding front arm drive motor abnormality in the 
finisher staple compiler. 
Section
PCU
Cause
Motor lock, motor harness short / open, control PWB 
trouble, home position sensor trouble, connection 
harness/connector connection trouble.
Check & 
Remedy
Use Sim. 3-3 to check the operation of the holding front 
motor. 
Check connection from the control PWB to the motor. 
Replace the control PWB and the sensor part.
Detail
Paper holding rear arm drive motor abnormality in the 
finisher staple compiler. 
Section
PCU
Cause
Motor lock, motor harness short/open, control PWB 
trouble, home position sensor trouble, connection 
harness/connector connection trouble.
Check & 
Remedy
Use Sim. 3-3 to check the operation of the holding rear 
motor. 
Check connection from the control PWB to the motor. 
Replace the control PWB and the sensor part.
Detail
Finisher proof paper exit section transport motor 
abnormality
Section
PCU
Cause
Motor harness short/open, control PWB trouble, 
connection harness/connector trouble.
Check & 
Remedy
Use Sim. 3-3 to check the operation of the proof paper 
exit motor.
Check connection from the control PWB to the motor. 
Replace the control PWB.
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