Duplex Unit
SM 6-71 J012/J013/J014
Detailed
Description
6.11.2 DUPLEX DRIVE
The main gear [1] of the vertical motor of the printer drives the duplex drive gear [2].
Here is a brief summary of how the duplex unit operates:
 The trailing edge sensor goes off after the trailing edge of the sheet passes overhead
and the front side has printed.
 The vertical motor stops, and paper transport stops.
 The vertical motor reverses.
 The printed sheet feeds into the Duplex Unit.
 Once again, the vertical motor reveres.
 The inverted sheet feeds into the printer.
 The 2nd side of the sheet prints.