Lexmark MX521DN


With its powerful processor, 46 page-per-minute output, enhanced security and built-in durability, the MS521dn supports the success of mid-size workgroups in all their mono printing.

Make every watt count with energy management features that reduce power consumption whether the printer is active or in sleep mode. Lower fusing temperature and automatic management of processor cores based on workload help meet rigorous ENERGY STAR 2.0 requirements. That benefits the planet and your budget.

  • Monochrome Laser
  • Duplex (2-sided) Printing: Integrated Duplex
  • Print Speed: Up to 46 ppm
  • Recommended Monthly Page Volume: 2000 – 15000 pages†
  • Lexmark Cartridge Collection Program information
  • Return program imaging unit
  • Software and documentation CD
  • Lexmark MX521dn laser printer
  • Up to 5,000 pages* starter return program toner cartridge
  • Setup guide or sheet (network and local attachment)
  • Stability sheet and safety sheet or booklet
  • Power cord(s)
  • Statement of limited warranty / guarantee


Part #36S0300
Print TechnologyMonochrome Laser
Workgroup SizeMedium Workgroup
Display2.4-inch (60 mm) Color LCD display
Media Sizes SupportedA6, Oficio, 7 3/4 Envelope, 9 Envelope, JIS-B5, A4, Legal, A5, Letter, Statement, Executive, Universal, DL Envelope, Folio, 10 Envelope
Included Paper Handling100-Sheet Multipurpose Feeder, Integrated Duplex, 150-Sheet Output Bin, 250-Sheet Input
Standard PortsGigabit Ethernet (10/100/1000), USB 2.0 Specification Hi-Speed Certified (Type B)
Size (mm – H x W x D)260 x 399 x 374 mm
Weight14.1 kg
Packaged Size (mm – H x W x D)376 x 430 x 470 mm
Packaged Weight, kg15.99 kg


Print SpeedUp to:Black: 44 ppm1 (A4)Black: 46 ppm1 (Letter)
Print Speed DuplexUp to:Black: 22 spm1 (A4)Black: 23 spm1 (Letter)
Time to First PageAs fast as:Black: 6.0 seconds
Print ResolutionBlack: 1200 x 1200 dpi, 2400 IQ (2400 x 600 dpi), 300 x 300 dpi, 600 x 600 dpi, 1200 IQ (1200 x 600 dpi)
Duplex2-sided:Integrated Duplex
Printable Areametric: 4.0 mm of the top, bottom, right and left edges (within)

Paper Handling

Media Types SupportedPaper Labels, Card Stock, Plain Paper, Transparencies, Envelopes, Refer to the Paper & Specialty Media Guide
Finishing OptionNo
Number of Paper InputsStandard: 2Maximum: 5
Paper Input CapacityStandard: 350 pages 20 lb or 75 gsm bondMaximum: 2000 pages 20 lb or 75 gsm bond350 pages 20 lb or 75 gsm bond
Paper Output CapacityUp to:Standard: 150 pages 20 lb or 75 gsm bondMaximum: 150 pages 20 lb or 75 gsm bond
Paper Weight Range Supportedgsm:60 – 120 gsm (Standard Tray)60 – 216 gsm (Multipurpose Feeder)
Optional Paper Handling550-Sheet Lockable Tray, 250-Sheet Tray, 550-Sheet Tray
Recommended Monthly Page Volume2000 – 15000 pages2
Maximum Monthly Duty CycleUp to:120000 pages per month3

Cartridges & Imaging

Laser Cartridge Yieldsup to:15,0004-page High Yield Cartridge6,0004-page Cartridge20,0004-page Extra High Yield Cartridge25.0004-page Ultra High Yield Cartridge
Imaging Unit Estimated YieldUp to:60000 pages, based on 3 average letter/A4-size pages per print job and ~ 5% coverage5
Cartridge(s) Shipping with Product5,0004-page Return Program Toner Cartridge4
Replacement Cartridges:Product functions only with replacement cartridges designed for use in a specific geographical region. See for more details.


Processor Speed1.0 GHz
MemoryStandard: 512 MBMaximum: 512 MB
Hard DiskNot Available
Printer LanguagesStandard:PCL 5e Emulation, PCL 6 Emulation, Personal Printer Data Stream (PPDS), PostScript 3 Emulation, PDF 1.7 emulation, Direct Image, AirPrint™
Fonts and Symbol Sets2 PCL bitmap fonts, OCR-A, OCR-B scalable PCL 5e fonts, For more information, refer to the Technical Reference., 84 scalable PCL fonts, 91 scalable PostScript fonts, 3 of 9 scalable PCL 5e fonts in Narrow, Regular and Wide, 5 PPDS bitmap fonts, 39 scalable PPDS fonts
Touch Screen DisplayNo


Direct USBNo
Ethernet NetworkYes
WirelessWireless Option
Network Protocol SupportTCP/IP IPv6, TCP/IP IPv4, TCP, UDP
Network Printing MethodsLPR/LPD, Pull Printing, Microsoft Web Services WSD, Secure IP (Port 96xx), FTP, TFTP, Enhanced IP (Port 9400), ThinPrint .print integration, IPP 1.0, 1.1, 2.0 (Internet Printing Protocol)
Network Management ProtocolsDHCP6, APIPA (AutoIP)6, mDNS6, IGMP6, WINS6, DDNS6, SNMPv36, SNMPv1, SNMPv2c6, Telnet6, NTP6, ICMP6, HTTP6, DNS6, ARP6, HTTPs (SSL6/TLS)6, Finger6
Network SecuritySNMPv3, 802.1x Authentication: MD5, MSCHAPv2, LEAP, PEAP, TLS, TTLS
Optional Network PortsMarknet N8370 WiFi Option

Supported Operating Systems

Microsoft Windows Operating Systems SupportedWindows 10, Windows 8.1, Windows 8, Windows 8 x64, Windows 7 x64, Windows 8.1 x64, Windows 7
Apple Operating Systems SupportedApple OS X (10.6, 10.7, 10.8, 10.9, 10.10, 10.11, 10.12, 10.13)
Linux Operating Systems SupportedDebian GNU/Linux 7.0, 8.0, Ubuntu 16.04 LTS, Fedora 23, 24, openSUSE Linux 42.3, Red Hat Enterprise Linux WS 6, 7, openSUSE Linux 13.2, SUSE Linux Enterprise Server 10, 11, 12
Citrix MetaFrameMicrosoft Windows 2000 Server running Terminal Services with Citrix MetaFrame XP Presentation Server or Citrix MetaFrame Presentation Server 3.0., Microsoft Windows Server 2012 with Citrix XenApp 6.0, 6.5, Microsoft Windows 2000 Server running Terminal Services with Citrix Presentation Server 3.0, 4.0, Microsoft Windows 2000 Server running Terminal Services with Citrix Presentation Server 4.0
Novell Operating Systems SupportedNovell Open Enterprise Server on SUSE Linux Enterprise Server, Novell NetWare 5.1(SP 6+), 6.0(SP 3+) with Novell Distributed Print Services (NDPS), Novell Open Enterprise Server 2 SP2 on SuSE Linux Enterprise Server 10 SP3 3, Novell NetWare 6.5 Open Enterprise Server, Novell Open Enterprise Server 11 on SUSE Linux Enterprise Server 11, Novell Open Enterprise Server 2 on SUSE Linux Enterprise Server 10 SP4
UNIX Operating Systems SupportedSun Solaris x86 10, 11, Sun Solaris SPARC 10, 11, IBM AIX 6.1, 7.1

Electrical & Operation

ENERGY STAR Typical Electricity ConsumptionTEC:0.6 kilowatt-hours per week
Noise LevelOperating:14 dBA (Idle)56 dBA (Print)
Duplex Print Noise LevelOperating:55 dBA
Average Power0.1 watts (Hibernate Mode)1.31 watts (Sleep Mode)8 watts (Ready Mode)620 watts (Printing)
Specified Operating EnvironmentHumidity: 8 to 80% Relative HumidityAltitude: 0 – 5000 Meters (16,404 Feet)Temperature: 10 to 32°C (50 to 90°F)
Product CertificationsENERGY 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)
UNSPSC Code43212105
Harmonized Tariff Code8443.32.1010
Country of OriginUS/Canada/LV LAD – Mexico, LA HV, AP & EMEA – PRC
License/Agreement TermsPrinters are sold subject to certain license/agreement conditions. See for details.


Product Warranty1-Year Advanced Exchange Service