Mailbox Paper Path Sensors - Lexmark M52 Series Service Manual

The mailbox delivers print jobs to multiple bin destinations and allows the user to segregate the printed output
to an assigned bin. Rollers along the paper path control the movement of the paper depending on the
destination bin.

Mailbox paper path sensors

# Sensor
1 Sensor (mailbox pass‑through 1)
2 Sensor (mailbox pass‑through 2)
3 Sensor (mailbox bin 1 paper present) Detects if paper is on bin 1.
4 Sensor (mailbox bin 2 paper present) Detects if paper is on bin 2.
5 Sensor (mailbox bin 3 paper present) Detects if paper is on bin 3.
6 Sensor (mailbox bin 4 paper present) Detects if paper is on bin 4.
7 Sensor (mailbox bin 1 full)
8 Sensor (mailbox bin 2 full)
9 Sensor (mailbox bin 3 full)
10 Sensor (mailbox bin 4 full)
Function
Detects the paper position along the mailbox entrance.
Detects the paper position along the middle rear door area.
Detects if bin 1 is full.
Detects if bin 2 is full.
Detects if bin 3 is full.
Detects if bin 4 is full.
Theory of operation
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