Lexmark C746n Service Manual page 240

5026
Paper exit/duplex entry sensor and bin full flag
The paper exit/duplex sensor flag detects movement in two directions: as the paper exits the fuser and as it is
retracted from the exit tray back into the duplex path. Each sheet must be driven past the fuser exit flag and
allowed to fall before being turned around and starting the duplex path. If the print media activates the paper exit
flag for too long, or the print media doesn't reach the paper exit flag within a given time, a paper jam error will be
posted.
Paper exit/duplex entry sensor
Service Manual
3-62
Paper exit/duplex entry flag
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