Lexmark T652 Service Manual page 551

Model T652 and T654 paper path, rolls, and sensors
Functions of main components
When the 250 or 550 sheet input trays are installed under the printer, additional trays are available.
# Part
1 Standard bin full actuator and sensor
2 Diverter
3 Sensor (fuser output, narrow media)
4 Sensor (duplex input)
5 Pick arm assembly
6 Sensor (option pass through)
7 PC cartridge
8 Sensor (input)
9 PC drum
Appendix C: Theory of operation
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