User Guide

Duplexer jam detection
The duplexer uses the following sensors to detect the presence of paper and to check whether the paper
is being fed correctly or has jammed:
Duplex reverse sensor (SR1)
Duplex re-pickup sensor (SR2)
Figure 1-66 Duplexer jam detection sensors
Simplex paper path
Duplex reverse sensor
Duplex re-pickup sensorDuplex paper path
SR1 SR2
92 Chapter 1 Theory of operation ENWW