Lexmark XC4150 - ADF Paper Path Sensors

ADF paper path sensors
4 5
123
1 Sensor (media
present)
Detects whether the scan document is in the ADF
2 Sensor (pick) Detects whether the scan document is to be scanned for the first time for a two-sided
scan job
3 Sensor (trail) Detects the trailing edge of the scan document
4 Sensor (1st scan) Detects whether the scan document is to be moved to the scan area
5 Sensor (duplex) Detects whether the scan document is to be scanned for the last time for a two-sided
scan job
ADF tray pick and feed
1
2
7528
Appendix C: Theory of operation
546