Lexmark C734n Technical Reference page 6

Acronym
dttn
dtwe
e
hdn
n
nl
ni
tn
1
Duplex printing (two-sided printing) accomplished by means of an optional duplex unit or an internal duplex unit based
on the product.
2
The additional tray is part of a drawer.
Meaning
duplex, tandem tray module, and network
duplex, additional tray, wireless, and e-Task touch-screen interface
e-Task touch-screen interface
hard disk, duplex, and network
network
network light model
network and ImageQuick
network and additional tray
Introduction
6