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Introduction
Overview
This edition of the Technical Reference contains information about the following printers or multifunction printers
(MFPs):
C540n
C543dn
C544n
C544dn
C544dw
C544dtn
X546dtn
Understanding letters after model numbers
Some Lexmark printers may have one or more letters after the model name to indicate printer features:
Acronym Meaning
d
duplex
1
de duplex and e-Task (electronic task) touch-screen interface
dfe duplex, finisher/stapler, and e-Task touch-screen interface
dhe duplex, high-capacity drawer, and e-Task touch-screen interface
dhn duplex, high-capacity drawer, and network
dme duplex, mailbox, and e-Task touch-screen interface
dn duplex and network
dnf duplex, network, and finisher/stapler
dnw or dw duplex, network, and wireless
dt
duplex and additional tray
2
dte duplex, additional tray, and e-Task touch-screen interface
dtn duplex, additional tray, and network
dttn duplex, tandem tray module, and network
dtwe duplex, additional tray, wireless, and e-Task touch-screen interface
e e-Task touch-screen interface
hdn hard disk, duplex, and network
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.
Introduction
5