Lexmark MS821

SHPF paper path sensors
4
5
1
2
3
# Sensor Function
1 Sensor (HPU leading edge) Detects the paper position along the rear door path.
2 Sensor (HPU trailing edge) Detects the paper position along the hole punch area.
3 Sensor (SHPF staple throat paper present) Detects if paper is in the staple unit area.
4 Sensor (SHPF bin full) Detects if the bin is already full.
5 Sensor (SHPF bin paper present) Detects if paper is in the bin.
4064
Theory of operation
902