2-74 Service Manual
5055-01X
Finisher Service Check
FRU Action
1 • Input Path Sensor
• Paper Register
Sensor
• Upper Tray Exit
Sensor
• Tractor Home Pos.
Sensor
• Paper Full A Sensor
• Paper Detect Sensor
• Staple Home Pos.
Sensor
• No Staple Sensor
• Punch Box Detect
Sensor
• Invert Path Sensor
• Lower Tray Exit
Sensor
• Elev. Upper Limit
Sensor
• Tray Near Full Sensor
• Elev. Lower Limit
Sensor
• Jogging Home Pos.
Sensor
• Pap. Upper Level
Sensor
• Fin. Set Switch
Sensor
• Staple Cart. Set
Sensor
Note: For frequent jams, hole punch
problems or stapling problems. First check
the finisher to printer alignment. Go to
“Aligning the Finisher and Printer” on
page 1-86.
Run the finisher sensor test in diagnostic
mode to test the sensors and switches.
2 • Timing Belts
• Patting Roller
• Path Select Solenoid
• Path Select Gate
• Guide Stack
Assembly
• Jogging Assembly
• Tractor Drive Motor
• Tractor belts
• Jogging Motor
• Stapler
Run the staple test in diagnostic mode to
test feeding and stapling function.
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