Duplexer Jam Detection; Figure 1-66 Duplexer Jam Detection Sensors - HP LASERJET ENTERPRISE M725dn Troubleshooting Manual

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)
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Duplex re-pickup sensor (SR2)
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Figure 1-66
92 Chapter 1 Theory of operation
Duplexer jam detection sensors
SR1
Simplex paper path
Duplex paper path
SR2
Duplex re-pickup sensor
Duplex reverse sensor
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