Lexmark MS821

SF paper path sensors
# Sensor Function
1 Sensor (staple finisher pass‑through) Detects paper position along the rear door path
2 Sensor (staple throat paper present) Detects paper presence in the staple unit area
3 Sensors (staple finisher bin full) Detects the bin status
4 Sensor (finisher bin paper present) Detects paper presence in the bin
4064
Theory of operation
915