Photo sensors and switches
The following gure shows the photo sensors and switches for the pickup, feed, and delivery system:
Figure 1-23 Photo sensors and switches
PS4350
M607/M608/M609 only
SW4 SW5
PS4300
PS4400
M631/M632/M633 only
PS4350
PS4750
PS4700
PS4550
PS4500
PS4650
PS4450
PS4600
Table 1-20 Photo sensors and switches
Abbreviation Component
PS4300 Tray 2 media out sensor
PS4350 Tray 1 media out sensor
PS4400 Tray 2 media surface sensor
PS4450 FD1 media full sensor
PS4500 Fuser loop sensor
PS4550 Registration sensor
PS4600 separation roller rotation sensor
PS4650 Fusor output sensor
PS4700 Duplex feed sensor (M607dn, M608dn/x, M609dn/dh/x, M631, M632, M633 models)
PS4750 Tray 1 feed sensor (M607, M608, M609 models)
SW4 Tray 2 media size switch 1
SW5 Tray 2 media size switch 2
ENWW Pickup, feed, and delivery system 33