Canon LASER CLASS 730i Service Manual page 45

LASER CLASS 730i/720i/710 Chapter 2: Technical Reference
As many as 13 sensors are used to monitor the movement of original and recording paper or to
detect the presence/absence of toner.
Document width sensor
Document feed sensor
Document sensor
Document edge sensor
Printer cover sensor
Tray full sensor
MP tray papaer sensor
Paper eject sensor
Face-up sensor
Page top sensor
Cassette paper sensor
Reverse paper sensor
Duplex paper sensor
Figure 2-3 Sensor Layout1
2-4