Installing A Duplex Unit - Lexmark C770 User Manual

Installing a duplex unit

Your printer supports an optional duplex unit that lets you print on both sides of a sheet of paper.
Warning: If you have an optional duplex unit and a 2000-sheet drawer, you must install a 500-sheet drawer
between the duplex unit and the 2000-sheet drawer.
1
Unpack the duplex unit and remove any packing material.
2
Place the duplex unit in the location you have chosen for your printer or install it on a 500-sheet drawer. To install it
on a 500-sheet drawer:
a Align the positioning posts on the drawer with the holes in the duplex unit.
b Lower the duplex unit into place. Make sure it is seated securely on the drawer.
Installing and removing options
Installing a duplex unit
8