Lexmark MX521ADE


Work fast and run economically with the MX521ade, the fax-equipped up-to 46 page-per-minute* multifunction product with long-life components.

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
  • Print Speed: Up to 46
  • Recommended Monthly Page Volume: 2000 – 15000 pages†
  • Stability sheet and safety sheet or booklet
  • Lexmark MX521ade multifunction laser printer
  • Up to 6,000 pages* starter return program toner cartridge
  • Lexmark Cartridge Collection Program information
  • Setup guide or sheet (network and local attachment)
  • Return program imaging unit
  • Software and documentation CD
  • Power cord(s)
  • Statement of limited warranty / guarantee


Part #36S0820
Print TechnologyMonochrome Laser
FunctionCopyingColor ScanningPrintingNetwork ScanningFaxing
Workgroup SizeMedium Workgroup
DisplayLexmark e-Task 4.3-inch (10.9 cm) colour touch screen
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), Front USB 2.0 Specification Hi-Speed Certified port (Type A), USB 2.0 Specification Hi-Speed Certified (Type B), One Internal Card Slot
Size (mm – H x W x D)477 x 489 x 429.5 mm
Weight20.6 kg
Packaged Size (mm – H x W x D)614 x 511 x 576 mm
Packaged Weight, kg23.72 kg


Copy SpeedUp to:Black: 44 cpm1 (A4)Black: 46 cpm1 (Letter)
Copy Speed DuplexUp to:Black: 23 spm1 (Letter)Black: 23 spm1 (A4)
Time to First CopyAs fast as:Black: 6 seconds
Reduce / Enlarge Range25 – 400 %


Modem SpeedITU T.30, V.34 Half-Duplex, 33.6 Kbps
Fax Transmission Speed< 3 seconds per page


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 seconds
Print ResolutionBlack: 1200 x 1200 dpi, 2400 IQ (2400 x 600 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)


Scanner Type / ADF ScanFlatbed scanner with ADFRADF (reversing Duplex)
Scan Areamm:215.9 x 355.6 mm (Maximum)
A4/Ltr Simplex Scan SpeedUp to:Black: 42 / 45 sides per minuteColor: 20 / 22 sides per minute
A4/Ltr Duplex Scan SpeedUp to:Black: 20 / 20 sides per minuteColor: 10.5 / 10.5 sides per minute
Scan TechnologyCIS
Optical Scanning Resolution600 X 600 dpi (black)up to 600 X 600 dpi (color)
Scan File FormatsSend as:TIFF, Archival PDF (A-1a, A-1b), Secure PDF, PDF, JPEG, JPG
Scan Destinationse-mail, Lexmark Document Solutions Suite (LDSS), USB or Network connected computer, USB Flash drive, FTP
ADF50-Sheet Automatic Document Feeder
ADF Paper Input Capacity / ADF Paper Output CapacityUp to: 50 pages 20 lb or 75 gsm bondUp to: 50 pages 20 lb or 75 gsm bond

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)
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 Product6,0004-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 SpeedDual Core, 1.0 GHz
MemoryStandard: 1024 MBMaximum: 1024 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 DisplayYes


Direct USBYes
Ethernet NetworkYes
WirelessWireless Option
Network Protocol SupportTCP/IP IPv6, TCP/IP IPv4, TCP, UDP
Network Printing MethodsLPR/LPD, Direct IP (Port 9100), 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, BOOTP, RARP6, mDNS6, IGMP6, WINS6, DDNS6, SNMPv36, SNMPv1, SNMPv2c6, Telnet6, NTP6, ICMP6, HTTP6, DNS6, ARP6, HTTPs (SSL6/TLS)6, Finger6
Network SecurityIPSec, SNMPv3, 802.1x Authentication: MD5, MSCHAPv2, LEAP, PEAP, TLS, TTLS
Optional Local PortsInternal 1284-B Bidirectional Parallel, Internal RS-232C serial
Optional Network PortsMarknet N8372 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:0.64 kilowatt-hours per week
Noise LevelOperating:14 dBA (Idle)56 dBA (Print)56 dBA (Copy)55 dBA (Scan)
Duplex Print Noise LevelOperating:55 dBA
Average Power0.1 watts (Hibernate Mode)1.5 watts (Sleep Mode)14.5 watts (Ready Mode)620 watts (Printing)630 watts (Copying)20 watts (Scanning)
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 A, BSMI Class A, VCCI Class A, US FDA, UL 60950-1, FCC Class A, cUL CAN/CSA-C22.2 60950-1, NOM, CB EN/IEC 60950-1, CB EN/IEC 60825-1, CE DoC (EN 62301 Class A, EN 62311, CE EN/IEC 60950-1, CE EN/IEC 60825-1, EN 61000-3, EN 55022 Class A, 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 Code43212110
Harmonized Tariff Code8443.31.0000
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 Onsite Service, Next Business Day