General Information 1-69
5055-01X
Electrical Parts Function
• Finisher Set Switch - detects the connection with the printer.
• Staple Cartridge Set Switch - detects when the staple
cartridge is open.
• Staple Existence Sensor - detects when the stapler is empty.
• Staple Home Position Sensor - locates home position for
stapling.
• Paper Register Sensor - detects when paper enters into the
finisher, detects paper jams and triggers the punch.
• Paper Exit Sensor (Upper Tray) (Letter), Invert Path Sensor
(A4) - detects when paper feeds into the lower tray, the end of
jogged paper and paper jams.
• Paper Exit Sensor - detects that paper has exited the printer.
• Tractor Home Position Sensor - locates home position for the
drive belt.
• Elevator Upper Limit Sensor - detects when the lower tray is
at the highest position.
• Jogging Home Position Sensor - locates home position for
the jogging bar.
• Paper Detecting Sensor - detects when the paper is at the
correct position for stapling.
• Paper Full Sensor A - detects when there is a full stack of
paper on the lower tray.
• Paper Upper Level Sensor B - Locates the top of the stacked
paper on lower tray. Also detects when paper is removed from
stacked papers on the lower tray while stacking.
• Elevator Lower Limit Sensor - detects when the lower tray is
at the lowest position.
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