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Rectangular white office laser printer with front control panel and output tray

Lexmark

Lexmark MS321dn Monochrome Laser Printer 38 ppm

SKU CH-SWNX-EADXB MPN MS321dn

Monochrome laser printer for workgroups printing up to 38 ppm with Gigabit Ethernet, USB 2.0 and parallel connectivity

  • Recommended UseWorkgroup
  • FunctionsPrint
  • Display2-line 128 x 32 pixel All Points Addressable (APA) monochrom
  • Output TypeMonochrome
  • Laser TechnologyLaser
  • USB PortsUSB 2.0 Specification Hi-Speed Certified (Type B)
  • Print up to 38 pages per minute for fast workgroup output
  • Gigabit Ethernet and USB 2.0 give reliable wired connectivity
  • Parallel IEEE 1284 port supports legacy equipment
  • 2-line OLED display shows clear status at a glance
  • Compact 35 lb design fits on a desktop or shelf

Workgroup monochrome laser printer

The Lexmark MS321dn is a monochrome laser printer rated at 38 ppm for A4 output. It targets workgroups that need reliable black-only printing without colour consumables. A 2-line 128 x 32 pixel APA OLED display provides status and menu navigation. Toner and software are not included; the box contains the printer and a power cord only.

USB 2.0 Hi-Speed and Gigabit Ethernet limits

The USB 2.0 Hi-Speed Type B port caps peripheral throughput at the USB 2.0 specification rate, so very large print jobs transfer more slowly than on USB 3.x hosts. Gigabit Ethernet (10/100/1000) handles network queues well, but the 1000 Mbps ceiling can become a bottleneck if multiple workstations send complex graphics simultaneously. A legacy parallel IEEE 1284 port remains for older environments.

Replaces slower single-function lasers

This model replaces slower single-function lasers that lack network sharing or that rely solely on USB 2.0. The jump is worth it when a workgroup needs 38 ppm throughput, wired network sharing and a compact footprint. It is not for buyers who want colour output, integrated scanning, wireless connectivity or bundled starter toner.

Highlights

  • Print up to 38 pages per minute for fast workgroup output
  • Gigabit Ethernet and USB 2.0 give reliable wired connectivity
  • Parallel IEEE 1284 port supports legacy equipment
  • 2-line OLED display shows clear status at a glance
  • Compact 35 lb design fits on a desktop or shelf

Specifications

BrandLexmark
ModelMS321dn
Part Number36S0100
Recommended UseWorkgroup
FunctionsPrint
Display2-line 128 x 32 pixel All Points Addressable (APA) monochrome OLED display
Output TypeMonochrome
Laser TechnologyLaser
USB PortsUSB 2.0 Specification Hi-Speed Certified (Type B)
Network PortsGigabit Ethernet (10/100/1000),
Weight35lbs

Questions about this item

What is the difference between the MS321dn and other Lexmark monochrome laser models?

The MS321dn prints at 38 ppm and includes Gigabit Ethernet, USB 2.0 and a parallel IEEE 1284 port, plus a 2-line 128 x 32 pixel OLED display.

How many pages per minute will I actually see when printing typical office documents on the MS321dn?

The rated black print speed is 38 ppm; real-world throughput depends on document complexity, duplex use and network traffic.

What does the Gigabit Ethernet port cap at in practice?

The RJ-45 port supports 10/100/1000 Mbps, so the wired link tops out at 1000 Mbps.

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