Lexmark 3100 mfp Setup Manual page 16

Installing the
duplex unit
5
Place the drawer on top of the previously installed drawer or
caster base.
6
Insert two short stabilizer screws (2) into the pockets of the
250-sheet drawer.
The screws go through the drawer and into the top of the
screws of the previously installed drawer or into the caster
frame assembly.
7
Tighten the screws securely.
1
Remove the duplex unit from the carton.
2
Remove all packing material and tape.
3
If you are using a table or printer stand, then place the duplex
unit in that location and go to "Positioning the printer" on
page 12, otherwise continue to step 4.
4
Use a flat tip screwdriver to remove the rubber feet from the
bottom of the duplex unit.
Assemble paper handling options
11