Diagnostic aids 3-45
5056-XXX
Finisher cross section
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.
Input Paper
Guide
Register
Roller
Accumulator
Stapler
Unit
Register
Idle
Roller
traight Exit Idle Roller
Invert Exit
Idle Roller
Invert Exit
Roller
Upper Tray
Lower Tray
Straight Exit
Roller
Paddle Roller
Path Select Gate
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