Lexmark MS421dn A4 Mono Laser Printer


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Key Features
Back Key Features
  • Up to 40ppm Mono Print
  • Up to 6.25 Seconds First page
  • USB & Network
  • Automatic Double Sided Printing
  • 1200 x 1200 dpi Print
  • 100 Sheet Multipurpose Feeder
  • 250 Sheet Input Tray
  • 1GHz Processor
  • 512MB RAM
  • Windows & Mac Compatible
  • PCL 5e Emulation, PCL 6 Emulation, Microsoft XPS (XML Paper Specification), Personal Printer Data Stream (PPDS), PostScript 3 Emulation, PDF 1.7 emulation, Direct Image, AirPrint™
  • 2-Line Monochrome OLED Display
Compare the Range
Compare the Range
ModelSpeedConnectivityDouble Sided PrintingMemory Price ex Vat 
Lexmark MS421dn40ppmUSB & NetworkAutomatic512MBView£204.19
Lexmark MS421dw40ppmUSB, Network & WirelessAutomatic512MBView£206.11

Select a bundle today and save £££'s

Lexmark MS421dn + Extra High Capacity Black Toner (20,000 Pages) + Lexmark MS421dn + Extra High Capacity Black Toner (20,000 Pages) You save £11.10
Bundle Price £494.87 ex VAT @20% £593.84 inc VAT
Lexmark MS421dn + High Capacity Black Toner (15,000 Pages) + Lexmark MS421dn + High Capacity Black Toner (15,000 Pages) You save £10.21
Bundle Price £466.32 ex VAT @20% £559.58 inc VAT
Business Price £204.19 ex VAT @ 20%
£245.03 inc VAT
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Lexmark MS421dn
Business Price £204.19 ex VAT @ 20%
£245.03 inc VAT
  • Product Overview
  • Cartridges & Accessories
  • Questions & Answers
  • Reviews
Product Overview

Lexmark MS421dn in More Detail

If you're looking for a new printer that is dependable for a professional or personal environment at an affordable cost, then this Lexmark model is ideal.

It can be used in the office or at home, and ideal for day-to-day work and important documents.

Quick Printing

This printer is quick, printing at 40ppm with mono print and taking a maximum of six seconds to print the first page. Plus with automatic double-sided printing, you can save money and paper with every print. The printer is installed with a 1GHz Processor and 512MB RAM too. It's fast and reliable to print on a daily basis while still being affordable.

Budget Friendly

This model is dedicated to keeping within your budget and being durable. There are multiple energy-saving features, including lower fusing temperatures. This means lower bills for you and less electricity being used. Lexmark is dedicated to making components durable, so maintenance costs are lower than other brands.

Different paper sizes can be used to print on, from A6 to legal and even envelopes for your design needs. Whether you need to print a sales pitch or new branding, this printer can support your goals. Plus the 250 sheet input tray means you don't have to worry about constantly changing paper!

High Quality Prints

Some laser printers can make text and images look blurry and difficult to read. But this model has an innovative font outlining technology that makes even the smallest grey text crisp and clear to read, keeping your work and brand looking professional.

Print From Wherever You Need!

The printer comes with USB and network connections, so you can print from multiple sources, without worrying about tangled cables!

Plus with AirPrint, you can continue to print wirelessly from your Apple device. Plus, there's no need to install additional drivers or new configurations. Just press print from your iPhone, iPad or Mac!

What's in the Box?

What's in the Box?

  • Lexmark MS421dn
  • Starter Return Programme Toner Cartridge (3000 Pages)
  • Return Programme Imaging Unit (60000 Pages)
  • Power Cord
  • Software and Documentation CD
  • Setup Guide
  • Stability and Safety Sheet
  • Statement of Limited Warranty
  • Lexmark Cartridge Collection Programme Information
Detailed Specification

Detailed Specification


Double Sided Printing Unit (Duplex) Yes
Speed Monochrome Up to 40ppm Mono Print
First Page Up to 6.25 Seconds First page
Product Group Output A4
Double Sided Printing Automatic Double Sided Printing
Printer Resolution 1200 x 1200 dpi Print
Speed Monochrome (Duplex) 20spm


Interface Type(s) USB & Network
LCD Screen 2-Line Monochrome OLED Display
Airprint Compatible Yes

System Specification

Processor 1GHz Processor
Memory (Maximum) 512MB RAM


Operating Systems Supported Windows & Mac Compatible

Media Handling

Paper Handling Input 1 100 Sheet Multipurpose Feeder
Paper Handling Input 2 250 Sheet Input Tray
Maximum Paper Weight 216gsm
Media Sizes Supported A6, Oficio, 7 3/4 Envelope, 9 Envelope, JIS-B5, A4, Legal, A5, Letter, Statement, Executive, Universal, DL Envelope, Folio, 10 Envelope
Media Types Supported Paper Labels, Card Stock, Plain Paper, Transparencies, Envelopes, Refer to the Card Stock & Label Guide.
Minimum Paper Weight 60gsm
Paper Handling Output 150 Sheet Ouput Bin

Barcodes & Labels

Barcode 0734646659062

Duty Cycle

Monthly Duty Cycle 100,000 Pages/Month
Recommended Max Print Volume 1,000 - 10,000 Pages/Month


Mono or Colour Printer Mono
Technology Laser Printer
Dimensions 399mm(W) x 374mm(D) x 260mm(H) - 14kg
Product Type A4 Laser Printer
Carton Dimensions 430mm(W) x 470mm(D) x 376mm(H) - 15.8kg


Printer Languages PCL 5e Emulation, PCL 6 Emulation, Microsoft XPS (XML Paper Specification), Personal Printer Data Stream (PPDS), PostScript 3 Emulation, PDF 1.7 emulation, Direct Image, AirPrint™


Network Security IPSec, SNMPv3, 802.1x Authentication: MD5, MSCHAPv2, LEAP, PEAP, TLS, TTLS

In the Box

In The Box Lexmark MS421dn, Starter Return Programme Toner Cartridge (3000 Pages), Return Programme Imaging Unit (60000 Pages), Power Cord, Software and Documentation CD, Setup Guide, Stability and Safety Sheet, Statement of Limited Warranty, Lexmark Cartridge Collection Programme Information

Cartridges Included

Black 3000 Pages
Questions & Answers

Customer Questions & Answers

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What is Google Cloud Print?

With Google Cloud Print, you can print any document from anywhere to your Google Cloud Print connected printer.

When you print using Google Cloud Print, your file is securely transferred over the internet to your printer. Whether you are in the same room or even in a different country on a different continent you can print whatever you want using any device such as a smartphone, tablet PC or desktop computer.

Share with friends or colleagues

Google Cloud Print enables you to share your printer with friends, family or work colleagues with ease. From the Google Cloud management page you can share your printer securely with trusted individuals.

Scalable Printing Solution for Business

Google Cloud Print is used internally by Google employees on hundreds of printers and is designed to scale to your business demands, growing with your business or as a replacement for your existing printing infrastructure.
What is AirPrint?

Apple AirPrint allows full colour, top-quality printing from iOS devices such as iPhones and iPads directly from within many Apps available from the Apple App Store.

To take advantage of AirPrint, your compatible printer must be connected to the same wireless network as your iOS device or Mac computer.

AirPrint enables users to print wirelessly from within applications on Apple devices to AirPrint Compatible Printers connected to a wireless network. You can use your iPhone, iPod Touch or iPad to easily print via Airprint without the need to install drivers or configure the printer queue. Just tap 'print' and select your AirPrint compatible printer, and print!....It's that simple.

What You See is What You Print

If you can open it on your apple device, chances are you can print it with AirPrint and an AirPrint compatible printer. Airprint works with Safari, Mail, Photos, iWork, PDF's in iBooks and many third-party AirPrint compatible apps available from the app store.

Full list of AirPrint compatible printers

Third-Party Apps

There are also a wide variety of third-party apps available to enable wireless printing through Apple devices, even to machines that are not natively AirPrint compatible printers. By sharing a printer installed on an Apple Mac or Windows Pc over a wireless network any printer may be able to take advantage of the AirPrint features. (An additional third-party app may be required to be installed on the local machine)

*For full AirPrint support, a printer firmware upgrade may be required which is available directly from the relevant manufacturer website.

Please note. Whilst every effort has been made to ensure that the above information is correct at the time of publication, Printerland will not be held responsible for the content of any third-party software suggested on this site and usage of any such software is at the users own risk. Printerland is unable to provide support for Airprint compatible printer software and any such advice should be readily available from the relevant manufacturer or developer.

All print speeds, running cost calculations and consumable life cycles are MANUFACTURER ESTIMATES based on 5% per page coverage. Images are used for illustration purposes only

Running Costs

-All consumable life cycles are manufacturer estimates based on 5% coverage per A4 page

*Estimation based on toner/ink cartridges only and excludes long life components such as image drums and fusers.

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