General information 1-3
5025-2xx, 4xx
Print quality
During the life of the printer, components are subject to wear based on usage. Printers continuously operating at
or near the maximum duty cycle may require service for replacement of these components to ensure high-
quality printing and good performance throughout the life of the printer. The fuser and ITU replacement should
be determined by checking the last sheet of the Menu Settings Page. Either OK or Replace appears.
To print a Menu Settings page:
1. Press Menu ( ) on the operator panel.
2. Select Reports from the Admin Menu, and press Select ().
3. Select Menu Settings, and press Select ().
Replacement is recommended every 30,000 pages for the imaging unit.
• 4800C Q (default) full printer speed
• 1200 dpi (reduced printer speed) is supported in PS and PCL only
Connectivity (network support)
Network protocol
Lexmark C540n,
C543dn
Lexmark C544n,
C544dn, C544dn
(wireless) Lexmark C546dtn
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/1 GB).
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.
✔—Supported
✘—Not supported
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