Table 1-13 Photo sensors and switches
Abbreviation Component
SR1a Media width sensor
SR2b Duplex feed sensor (duplex models only)
SR1 Cassette media out sensor
SR2 TOP sensor
SR3 Multipurpose tray media out sensor
SR4 Output bin media-full sensor
SR13 Fuser output sensor
30 Chapter 1 Theory of operation ENWW