This site uses cookies for various purposes including enhancing your experience, analytics, and ads. By continuing to browse this site or by clicking "Accept and close", you agree to our use of cookies. For more information, read our Cookies page.

Lexmark MS421dn

Strike the perfect balance of performance and affordability in small-workgroup mono printing with the up-to 42-page-per-minute* Lexmark MS421dn, featuring standard two-sided printing, enhanced security and built-in durability.

Print this page

Part Number
36S0260
Print Technology
Monochrome Laser
Workgroup Size
Small Workgroup
Touch Screen Display
No
Display
2-line 128 x 32 pixel All Points Addressable (APA) monochrome OLED display
Print Speed (A4, Black)
Up to 40 ppm6
Print Speed (A4, Black) Duplex
Up to 20 spm6
Time to First Page (Black)
As fast as 6.25 seconds
Duplex (2-sided) Printing
Integrated Duplex
Print Resolution, Black
1200 IQ (1200 x 600 dpi)
1200 x 1200 dpi
2400 IQ (2400 x 600 dpi)
300 x 300 dpi
600 x 600 dpi
Processor Speed
1.0 GHz
Memory, Standard
512 MB
Memory, Maximum
512 MB
Hard Disk
Not Available
Apple Operating Systems Supported
Apple OS X (10.6, 10.7, 10.8, 10.9, 10.10, 10.11, 10.12, 10.13)
Citrix MetaFrame
Microsoft Windows 2000 Server running Terminal Services with Citrix MetaFrame XP Presentation Server or Citrix MetaFrame Presentation Server 3.0.
Microsoft Windows 2000 Server running Terminal Services with Citrix Presentation Server 4.0
Microsoft Windows 2000 Server running Terminal Services with Citrix Presentation Server 3.0, 4.0
Microsoft Windows Server 2012 with Citrix XenApp 6.0, 6.5
Linux Operating Systems Supported
Debian GNU/Linux 7.0, 8.0
SUSE Linux Enterprise Server 10, 11, 12
Ubuntu 16.04 LTS
Fedora 23, 24
Red Hat Enterprise Linux WS 6, 7
openSUSE Linux 42.3
Microsoft Windows Operating Systems Supported
Windows 7
Windows 7 x64
Windows 8
Windows 8 x64
Windows 8.1
Windows 8.1 x64
Windows 10
Novell Operating Systems Supported
Novell NetWare 6.5 Open Enterprise Server
Novell NetWare 5.1(SP 6+), 6.0(SP 3+) with Novell Distributed Print Services (NDPS)
Novell Open Enterprise Server on SUSE Linux Enterprise Server
Novell Open Enterprise Server 2 on SUSE Linux Enterprise Server 10 SP4
Novell Open Enterprise Server 11 on SUSE Linux Enterprise Server 11
Novell Open Enterprise Server 2 SP2 on SuSE Linux Enterprise Server 10 SP3 3
UNIX Operating Systems Supported
Sun Solaris x86 10, 11
Sun Solaris SPARC 10, 11
IBM AIX 6.1, 7.1
Included Paper Handling
250-Sheet Input
100-Sheet Multipurpose Feeder
150-Sheet Output Bin
Integrated Duplex
Optional Paper Handling
250-Sheet Tray
550-Sheet Tray
550-Sheet Lockable Tray
Paper Input Capacity, Standard
Up to 350 pages 75 gsm bond
Paper Input Capacity, Maximum
Up to 900 pages 75 gsm bond
Paper Output Capacity, Standard
Up to 150 pages 75 gsm bond
Paper Output Capacity, Maximum
Up to 150 pages 75 gsm bond
Paper Weight Range Supported - Standard Tray (gsm)
60 - 120 gsm
Paper Weight Range Supported - Multipurpose Feeder (gsm)
60 - 216 gsm
Finishing Option
No
Number of Paper Inputs, Standard
2
Number of Paper Inputs, Maximum
3
Media Types Supported
Card Stock
Envelopes
Paper Labels
Plain Paper
Transparencies
Refer to the Paper & Specialty Media Guide
Media Sizes Supported
10 Envelope
7 3/4 Envelope
9 Envelope
A4
A5
DL Envelope
Executive
Folio
JIS-B5
Legal
Letter
Statement
Universal
Oficio
A6
Standard Ports
USB 2.0 Specification Hi-Speed Certified (Type B)
Gigabit Ethernet (10/100/1000)
Direct USB
No
Ethernet Network
Yes
Wireless
No
Network Protocol Support
TCP/IP IPv4
TCP/IP IPv6
TCP
UDP
Network Printing Methods
LPR/LPD
Enhanced IP (Port 9400)
FTP, TFTP
ThinPrint .print integration
IPP 1.0, 1.1, 2.0 (Internet Printing Protocol)
Microsoft Web Services WSD
Pull Printing
Network Management Protocols1
HTTP
HTTPs (SSL/TLS)
SNMPv1, SNMPv2c
SNMPv3
WINS
IGMP
APIPA (AutoIP)
DHCP
ICMP
DNS
DDNS
mDNS
ARP
NTP
Telnet
Finger
Network Security
SNMPv3
802.1x Authentication: MD5, MSCHAPv2, LEAP, PEAP, TLS, TTLS
IPSec
Printable Area (metric)
4.0 mm of the top, bottom, right and left edges (within)
Printer Languages (Standard)
PCL 5e Emulation
PCL 6 Emulation
Personal Printer Data Stream (PPDS)
PostScript 3 Emulation
Direct Image
Microsoft XPS (XML Paper Specification)
AirPrint™
PDF 1.7 emulation
Fonts and Symbol Sets
3 of 9 scalable PCL 5e fonts in Narrow, Regular and Wide
2 PCL bitmap fonts
39 scalable PPDS fonts
5 PPDS bitmap fonts
84 scalable PCL fonts
OCR-A, OCR-B scalable PCL 5e fonts
For more information, refer to the Technical Reference.
91 scalable PostScript fonts
Laser Cartridge Yields (up to)5
6,000-page Cartridge
15,000-page High Yield Cartridge
20,000-page Extra High Yield Cartridge
Imaging Unit Estimated Yield
Up to 60000 pages, based on 3 average letter/A4-size pages per print job and ~ 5% coverage4
Cartridge(s) Shipping with Product
3,000-page Return Program Toner Cartridge
Replacement Cartridges:
Product functions only with replacement cartridges designed for use in a specific geographical region. See www.lexmark.com/regions for more details.
Packaged Size (mm - H x W x D)
376 x 430 x 470 mm
Packaged Weight, kg
15.81 kg
Size (mm - H x W x D)
260 x 399 x 374 mm
Weight
14.0 kg
Noise Level, Idle
14 dBA
Noise Level (Print), Operating
55 dBA
Duplex Print Noise Level, Operating
54 dBA
Quiet Mode
52 dBA
ENERGY STAR
Yes
Average Power (Hibernate Mode)
0.1 watts
Average Power (Sleep Mode)
1.56 watts
Average Power (Ready Mode)
7.5 watts
Average Power (Printing)
570 watts
Average Power while Printing Duplex
345 watts
ENERGY STAR Typical Electricity Consumption (TEC)
0.58 kilowatt-hours per week
Product Warranty
1-Year Onsite Service, Next Business Day
Product Certifications
ENERGY STAR, ICES-003 Class B, BSMI Class B, VCCI Class B, US FDA, UL 60950-1, FCC Class B, cUL CAN/CSA-C22.2 60950-1, NOM, CB EN/IEC 60950-1, CB EN/IEC 60825-1, CE DoC (EN 62301 Class B, EN 62311, CE EN/IEC 60950-1, CE EN/IEC 60825-1, EN 61000-3, EN 55022 Class B, EuP, EN 55024, UL), EFTA (CE), KCC, CCC, CECP, CEL, C-tick DoC, UL-AR, KC mark, UL GS mark, EC 1275, MET-I, ISO 532B, ECMA-370, TED, GOST-R, SII, TER, China Green Product (CGP)
Maximum Monthly Duty Cycle
Up to 100000 pages per month3
Recommended Monthly Page Volume
1000 - 10000 pages2
Specified Operating Environment
Temperature: 16 to 32°C (60 to 90°F)
Humidity: 8 to 80% Relative Humidity
Altitude: 0 - 5000 meters
License/Agreement Terms
Printers are sold subject to certain license/agreement conditions. See www.lexmark.com/printerlicense for details.
Country of Origin
US/Canada/LV LAD - Mexico
LA HV, AP & EMEA - PRC
UNSPSC Code
43212105
1This product includes software developed by the OpenSSL Project for use in the OpenSSL Toolkit. (http://www.openssl.org/)
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.
3"Maximum Monthly Duty Cycle" is defined as the maximum number of pages a device could deliver in a month using a multishift operation. This metric provides a comparison of robustness in relation to other Lexmark printers and MFPs.
4Actual Yield may vary based on other factors such as device speed, paper size and feed orientation, toner coverage, tray source, percentage of black-only printing and average print job complexity.
5Average standard page yield value declared in accordance with ISO/IEC 19752.
6Print and copy speeds measured in accordance with ISO/IEC 24734 and ISO/IEC 24735 respectively (ESAT). For more information see: www.lexmark.com/ISOspeeds.
Diagram of printer with accessories
Diagram Legend
# Availability Description
1 Standard 2-Line LCD
2 Standard 100-Sheet Multipurpose Feeder
3 Standard 250-Sheet Input
4 Optional 250-Sheet Tray / 550-Sheet Tray
Part # Toner Cartridges
56F0XA0 Lexmark 56F0XA0 Black Extra High Yield Toner Cartridge
56F3000 Lexmark 56F3000 Black Return Program Toner Cartridge
56F3X00 Lexmark 56F3X00 Black Extra High Yield Return Program Toner Cartridge
56F0ZA0 Lexmark 56F0ZA0 Black Imaging Unit
56F0Z00 Lexmark 56F0Z00 Black Return Program Imaging Unit
56F3H00 Lexmark 56F3H00 Black High Yield Return Program Toner Cartridge
Part # Paper Handling
36S2910 250-Sheet Tray
36S3110 550-Sheet Tray
36S3120 550-Sheet Lockable Tray
Part # Furniture
3073173 Swivel Cabinet
35S8502 Adjustable Stand
Part # Memory Options
57X9801 256MB Flash Memory Card
Part # Connectivity
1021294 USB (2 Meter) Cable
SPD0002 Surge Protective Device, 220-240V
Part # Extended Warranties
2361899 MS421 2-Years Total (1+1) Onsite Service
2361900 MS421 3-Years Total (1+2) Onsite Service
2361901 MS421 4-Years Total (1+3) Onsite Service
2361902 MS421 5-Years Total (1+4) Onsite Service
2361903 MS421 1-Year Onsite Service Renewal
2361904 MS421 1-Year Post Wty OSR NBD Ext Warranty
2364558 MS421 6-Years Total (1+5) Onsite Service
2367088 MS421 7-Years Total (1+6) Onsite Service
2364559 MS421 2-Year Onsite Service Renewal
2364560 MS421 3-Year Onsite Service Renewal
2364561 MS421 4-Year Onsite Service Renewal
Part # User Replaceable Parts
41X0918 Pick Tire