Printer Paper Path Sensors - Lexmark B2650 Service Manual

Printer paper path sensors

# Sensor
1 Sensor (input)
2 Sensor (MPF paper
present)
3 Sensor (duplex)
4 Sensor (index)
5 Sensor (trailing edge)
6 Sensor (pass-through)
7 Sensor (media present)
8 Sensor (fuser exit)
9 Sensor (narrow media/bin
full)
Function
Detects the paper traveling between the first input roller and the transfer roller
Detects if paper is in the MPF tray
Detects the paper traveling along the duplex path
Detects if the pick roller is at the correct height to pick paper from the tray
Note: The sensor in the standard tray is supported only in some printer
models.
Detects the trailing edge of the paper fed from the tray
Detects paper fed from tray 2
Detects if paper is in the tray
Note: The sensor in the standard tray is supported only in some printer
models.
Detects the paper exiting the fuser
Detects if the paper is narrow and the bin is full
Theory of operation
299
4600-830, -835, -895