Finisher Stapler Move Sensor Off Failure, Code 112
Error Code 111: The staple move sensor did not turn ON within 2 seconds after the 
system has started to move to the staple position and the staple move sensor has 
turned off. Or, the staple move sensor did not turn on after the move to the staple 
position has completed.
Error Code 112: The staple move sensor does not turn OFF within 5 seconds after 
the move to the staple position has started. Or, the staple move sensor turned OFF 
after the staple position has been fixed. Or, the staple move sensor does not turn OFF 
within 5 seconds after it has turned ON when the paper passed through the 1st 
position of the dual staple, moving to the rear staple position.
Troubleshooting References 
Applicable Parts Wiring and Plug/Jack Map References
■ Finisher Control Board
■ Staple Move Motor
Troubleshooting Procedure 
Step Actions and Questions Yes No
1
1. Manually move the staple head.
2. Does the head move smoothly from 
front to rear?
Go to step 2. Diagnose and 
repair the 
mechanical 
defect.
2
1. Enter service diagnostics and run the 
Stapler Move Sensor test.
2. Does the value change from L to H 
when the sensor is blocked?
Go to step 3. Use the 
Transmissive 
Sensor procedure 
to diagnose and 
repair the sensor.
3
1. Run the Stapler: Move Front or Move 
Rear test in diagnostics.
2. Does the stapler move motor run?
Replace the 
finisher control 
board.
Go to step 4.
4
Is +24 VDC present at P847 pins 1, 2, 5, 
and 6?
Replace in the 
following order:
■ stapler move 
motor
■ finisher control 
board
Go to step 5