Lexmark MS431dn Monochrome Laser Printer, 42 ppm, Duplex (29S0050)

The Lexmark MS431dn (29S0050) is a compact monochrome laser printer that prints up to 42 pages per minute with automatic two-sided printing. It has Gigabit Ethernet and USB, holds 350 sheets out of the box and comes with a 1 year advanced exchange warranty, which makes it a strong shared printer for busy small offices and workgroups.

42 ppm monochrome laser printing

• Up to 42 pages per minute (Letter), up to 18 sides per minute in duplex
• First page out as fast as 5.9 seconds
• Print resolution up to 2400 IQ (2400 x 600 dpi)
• Recommended monthly volume of 800 to 8,000 pages, maximum duty cycle up to 80,000 pages per month
• 1 GHz dual-core processor with 256MB of memory

Paper handling up to 900 sheets

• 250-sheet input tray plus a 100-sheet multipurpose feeder, 350 sheets standard
• Optional 550-sheet tray raises the total to 900 sheets
• 150-sheet output bin
• Integrated duplex for automatic two-sided printing
• Prints on plain paper, card stock, envelopes and paper labels, up to Legal size

Gigabit Ethernet and USB connectivity

• Gigabit Ethernet (10/100/1000) for sharing the printer on your network
• USB 2.0 (Type B) for a direct computer connection
• Apple AirPrint and Mopria Print Service for printing from phones and tablets on the same network
• Network security with 802.1x authentication, SNMPv3 and IPsec

Toner that keeps printing

The printer ships with a return program toner cartridge for up to 3,000 pages and an imaging unit rated for up to 40,000 pages. Replacement Unison toner is available in 3,000 page, 15,000 page high yield and 20,000 page extra high yield cartridges.

Compact, durable and energy efficient

At 8.7 x 14.5 x 14.3 inches and 20.6 lb, the MS431dn fits on a desk or a shelf. Lexmark builds it with a steel frame and a lifetime fuser. It is ENERGY STAR certified and rated EPEAT Silver, and it uses 0.9 watts in sleep mode.

Who this printer is for

• Busy small offices that print up to 8,000 pages a month
• Workgroups that need one fast shared printer on a gigabit network
• Schools and front desks that want low cost black and white pages

Frequently asked questions

Does the Lexmark MS431dn have Wi-Fi?

No. It connects by Gigabit Ethernet or USB. Phones and tablets can still print through AirPrint or Mopria when they are on the same network as the printer.

Does it print on both sides automatically?

Yes. Integrated duplex is standard, at up to 18 sides per minute.

Does it scan or copy?

No. The MS431dn is a print-only laser printer.

What toner does it come with?

It ships with a return program toner cartridge for up to 3,000 pages. Replacement cartridges are available for 3,000, 15,000 and 20,000 pages.

Are cables included?

A power cord is included. Ethernet and USB cables are not included.

Can I add more paper capacity?

Yes. An optional 550-sheet tray raises the total input from 350 to 900 sheets.

What warranty does it come with?

A 1 year Lexmark advanced exchange warranty with next business day service.

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