General information 1-3
5025-2xx, 4xx
Connectivity (network support)
Operating modes
Network protocol
Lexmark C540n, C543dn,
C544dn Lexmark C544dw
Standard Ethernet 10/100 Base T
✔✔
Standard USB-B (Full speed) device port
✔✔
USB-A host ports
(In front, low/full speed) This port only
supports the following flash drives and file
types:
Supported flash drives
a
: Lexar FireFly
(512 MB/1GB size), SanDisk Cruzer Micro
(512 MB/1 GB size), or Sony (512 MB/
1GB).
Supported file types
b
:.pdf,.gif,.jpeg,.jpg,
.bmp, .png, .tiff, .tif, .pcx, .dcx
✘✔
802.11n Wireless Network card
Manufacturing installs the wireless card. A
wireless card CANNOT be installed post-
manufacturing.
✘✔
a
While other USB flash drives have not been tested, and therefore cannot be approved by Lexmark, these
products may function if the storage device meets the following qualifications:
• Supports the USB 2.0 specification supporting the Full-Speed mode
• Uses the FAT file system
b
PDF files used with Direct USB printing must support PDF standard version 1.5 or earlier. PDF files with
restricted printing permissions or encryption are not supported.
Mode Description
Normal Factory default
Quiet Designed for customers where noise levels are a very important
factor.
• Print quality is maintained at factory default level.
• Speed is reduced.
Eco-Mode
(Energy and Energy + Paper)
Designed for customers where the environment is a key factor.
There are three options; Energy, Paper, and Energy+ Paper.
• Print quality is maintained.
• Power Saver is set to one minute.
• Fuser standby is off.
• The operator panel back light is off.
• Power supply energy consumption is reduced.
• Duplex is on if Energy + Paper is selected (duplex models
only) (can be overwritten by the driver).
✔—Supported
✘—Not supported
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