Service manual

SC TABLE
G130/G131 4-30 SM
SC No. Item Definition Possible Cause
Related
SCs
Troubleshooting Procedure Type
SC 742 Booklet finisher
stapler slide
motor error
• The stapler home position
sensor does not turn off
within 1 second after this
same sensor turns on.
• The stapler home position
sensor does not turn on
within 1 second when the
stapler is coming back to its
home position.
• Defective stapler slide
motor
• Loose connection of
the stapler slide motor
• Defective stapler home
position sensor
• Loose connection of
the stapler home
position sensor
1. Turn the main switch off and on.
2. Check the connection of the stapler
slide motor.
3. Check the connection of the stapler
home position sensor.
4. Replace the stapler home position
sensor.
5. Replace the stapler slide motor.
B
SC 743 Booklet finisher
front jogger
fence motor
error
• The front-jogger-fence
home-position sensor does
not turn off within 3 seconds
after the front-jogger-fence
motor starts.
• The front-jogger-fence
home-position sensor does
not turn on within 3 seconds
when the front-jogger-fence
motor is driving the fence to
its home position.
• Incorrect assembling of
the front jogger fence
• Loose connection of
the front jogger fence
motor
• Defective front-jogger-
fence home-position
sensor
• Loose connection of
the front-jogger-fence
home-position sensor
1. Turn the main switch off and on.
2. Check the connection of the front
jogger fence motor.
3. Check the connection of the front-
jogger-fence home-position sensor.
4. Replace the front-jogger-fence
home-position sensor.
5. Replace the front jogger fence motor.
B
SC 744 Booklet finisher
rear jogger
fence motor
error
• The rear-jogger-fence home-
position sensor does not
turn off within 3 seconds
after the rear-jogger-fence
motor starts.
• The rear-jogger-fence home-
position sensor does not
turn on within 3 seconds
when the rear-jogger-fence
motor is driving the fence to
its home position.
• Incorrect assembling of
the rear jogger fence
• Loose connection of
the rear jogger fence
motor
• Defective rear-jogger-
fence home-position
sensor
• Loose connection of
the rear-jogger-fence
home-position sensor
1. Turn the main switch off and on.
2. Check the connection of the rear
jogger fence motor.
3. Check the connection of the rear-
jogger-fence home-position sensor.
4. Replace the rear-jogger-fence home-
position sensor.
5. Replace the rear jogger fence motor.
B