MS320/MS420 Series
Reliability. Security. Productivity.
MS421dw with optional tray
Lexmark MS320/MS420 Series
Strike the perfect balance of performance and affordability in small-workgroup mono printing with standard two-sided output,
enhanced security and built-in durability. The Lexmark MS320/420 Series’ multi-core processor supports output at up to 40 pages
per minute*, whilst long-lasting printing components reduce downtime. You can connect via standard USB or gigabit ethernet -
plus Wi-Fi on theMS421dw.
Robust, built-in security
} Lexmark’s full-spectrum security architecture helps keep
your information safe - on the document, the device, over
the network, and everywhere in between.
} A range of embedded features harden device against
attacks, such as Condential Print, Audit logging and
much more.
Get more done
} Tackle your printing workload with the power of a 1-GHz
dual-core processor and 512 MB of memory.
} Get up to 40-page-per-minute printing (MS421dn,
MS421dw) or 36-page-per-minute printing (MS321dn).
} Two-line LCD lets you congure, interact and monitor vital
system information.
} Use media sizes from A6 to legal via the paper tray,
plus smaller media and envelopes via the 100-sheet
multipurpose feeder.
Ready when you are
} Long-life fuser and imaging components extend uptime.
} Unison™ Toner replacement cartridges deliver up to
20,000 pages** of high-quality printing.
} Maximum input capacity of 900 pages means
fewer interruptions.
} Durable metal frame is designed for longevity.
} Standard Condential Print feature (on MS421dn and
MS421dw) helps ensure output security via simple PIN.
} Keypoint Intelligence - Buyers Lab honoured Lexmark
with a prestigious BLI PaceSetter award for Document
Imaging Security***.
Built for planet earth
} Energy management features reduce power consumption
in active use or sleep mode.
} Standard two-sided printing saves paper.
} Use of post-consumer recycled content in manufacturing
saves natural resources.
®
} Device is rated EPEAT
Silver and ENERGY STAR® certied.
} Recycle cartridges through the award-winning Lexmark
Cartridge Collection Programme (LCCP).
*Print and copy speeds measured in accordance with ISO/IEC 2473 4 and ISO/IEC 24735 respectively (ESAT). For more information see: www.lexmark .com/ISOspeeds .
**Average standard page yield value declared in accordance with ISO/IEC 19752.
***Award based on Western Europe data
lexmark.co.uk
Lexmark MS320/MS420 Series
or
1 MS320/MS420 Series with 2-line display
10.2 x 15.7 x 14.7 inches
260 x 399 x 374 mm
2 550-sheet tray
5 x 15.7 x 14.7 inches
126 x 389 x 374 mm
3 250-sheet tray
3.7 x 15.7 x 14.7 inches
95 x 389 x 374 mm
Standard
Optional
Supports one optionaltray.
© 2018 Lexmark. All rights reserved.
Lexmark, the Lexmark logo and Unison are trademarks of Lexmark International, Inc., registere d in the United States and/or other countries. AirPrint and the AirPrint Logo
are trademarks of Apple, Inc. ENERGY STAR® is a U.S. registered mark. EPEAT® is a trademark of EPE AT, Inc. in the United States and other countries. Google Cloud Print is a
trademark of Google, Inc. MOPRIA®, the Mopria® Logo™ and the Mopria® Alliance logos are trademarks, se rvice marks, and certication marks of Mopria Alliance, Inc. in
the United States and other countries . All other trademarks are the property of their respective owners.
This product includes software developed by the OpenSSL Project for use in the Open SSL Toolkit (http:// ww.openssl.org/).
lexmark.co.uk
Product specications Lexmark MS321dn Lexmark MS421dn Lexmark MS421dw
Printing
Display
Print Speed: Up to
Time to First Page: As fast as
Print Resolution
Memory / Processor
Hard Disk
Recommended Monthly Page Volume
Maximum Monthly Duty Cycle: Up to
Supplies
Laser Cartridge Yields (up to)
Imaging Unit Estimated Yield: Up to
Cartridge(s) Shipping with Product
6
7
1
Paper Handling
Included Paper Handling
Optional Paper Handling
Paper Input Capacity: Up to
Paper Output Capacity: Up to
Media Types Supported
Media Sizes Supported
General Information
Standard Ports
Noise Level: Operating
Specied Operating Environment
Product Guarantee
Size (mm - H x W x D) / Weight
4
Black: 36 ppm Black: 40 ppm
Black: 6.5 seconds Black: 6.25 seconds
standard: 512 MB / maximum: 512 MB / 1.0
2
3
6,000-page Cartridge, 15,000-page High
1
2,000-page Starter Return Programme
GHZ MHz
500 - 6,000 Pages 1,000 - 10,000 Pages
50,000 pages per month 100,000 pages per month
Yield Cartridge
Toner Cartridge
Card Stock, Envelopes, Paper Labels, Plain Paper, Transparencies, Refer to the Card Stock & Label Guide.
10 Envelope, 7 3/4 Envelope, 9 Envelope,
A4, A5, B5 Envelope, C5 Envelope, DL
Envelope, Executive, Folio, JIS-B5, Legal,
Letter, Statement, Universal, Ocio, A6
USB 2.0 Specication Hi-Speed Certied (Type B), Gigabit Ethernet (10/100/1000) USB 2.0 Specication Hi-Speed Certied
Print: 54 dBA Print: 55 dBA
Humidity: 8 to 80% Relative Humidity,
Temperature: 10 to 32°C (50 to 90°F),
Altitude: 0 - 5,000 Metres (16,404 Feet)
260 x 399 x 374 mm / 13.9 kg 260 x 399 x 374 mm / 14.0 kg
2-line 128 x 32 pixel All Points Addressable (APA) monochrome OLED display
Black: 1200 Image Quality, 1200 x 1200 dpi, 2400 Image Quality, 300 x 300 dpi, 600 x 600 dpi
standard: 512 MB / maximum: 512 MB / 1000 MHz
Not Available
6,000-page Cartridge, 15,000-page High Yield Cartridge, 20,000-page Extra High Yield
Cartridge
60,000 pages, based on 3 average letter/A4-size pages per print job and ~ 5% coverage
3,000-page Starter Return Programme Toner Cartridge
250-Sheet Input, 100-Sheet Multipurpose Feeder, 150-Sheet Output Bin, Integrated Duplex
250-Sheet Tray, 550-Sheet Tray, 550-Sheet Lockable Tray
Standard: 300 pages 75 gsm bond / Maximum: 900 pages 75 gsm bond
Standard: 150 pages 75 gsm bond / Maximum: 150 pages 75 gsm bond
10 Envelope, 7 3/4 Envelope, 9 Envelope, A4, A5, DL Envelope, Executive, Folio, JIS-B5,
Temperature: 16 to 32°C (60 to 90°F), Humidity: 8 to 80% Relative Humidity, Altitude: 0 -
Legal, Letter, Statement, Universal, Ocio, A6
(Type B), Gigabit Ethernet (10/100/1000),
802.11b/g/n Wireless
5,000 Metres (16,404 Feet)
1-Year Return-to-Base Service
All information in this brochure is subject to change without notice. Lexmark is not liable for any errors or omissions.
1
Average standard page yield value declared in accordance with ISO/IEC 19752. 2”Recommended Monthly Page Volume” is a range of pages that helps customers evaluate
Lexmark’s product offerings based on the average number of pages customers plan to print on the device each month. Lexmark recommends that the number of pages per
month be within the stated range for optimum device performance, based on factors including: supplies replacement intervals, paper loading intervals, speed, and typical
customer usage.
provides a comparison of robustness in relation to other Lexmark printers and MFPs.
com/printerlicense for details.
of black-only printing and average print job complexity.
information see: www.lexmark.com/ISOspeeds.
com/regions for more details.
3
”Maximum Monthly Duty Cycle” is dened as the maximum number of pages a device could deliver in a month using a multishif t operation. This metric
5
Actual Yield may vary based on othe r factor s such as device speed, paper size and feed orientation, toner coverage, tray source, percentag e
6
Print and copy spee ds measured in accordance with ISO/IEC 24734 and ISO/IEC 24735 respec tively (ESAT). For more
7
Product functions only with replacement cartridges designed for use in a specic geographical region. See www.lexmark.
4
Printers are sold subject to certain license/agreement conditions. See www.lexmark.
lexmark.co.uk
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