Serious Printing Performance
Reach your true productivity potential with game-changing power and performance. You'll get powerful 800MHz processing and 256MB of RAM standard, with print speeds up to 50 ppm and the time to first print as fast as 6 seconds.
From start to finish, designed to handle your toughest tasks―from hard-to-print media to paper sizes up to A3. Optional accessories let you easily expand your input capacity up to 5,100 sheets or add finishing touches with stapling, hole punch and offset stacking.
Combines reliable high-speed printing with must-have features like Job Waiting to keep the print queue flowing and Direct Web printing for on demand printing of online documents. Plus a solutions-ready framework for tapping into serious business apps that can help you save paper, cut waste, lower costs and enhance document security. See Related Links to learn more.
From network security to user-access restrictions, you’ll be fully equipped to keep valuable data safe and sound. In addition to IPSec, SNMPv3 and 802.1x network security, the Lexmark W850n offers an alphanumeric pad for easy PIN authentication, plus encryption and disk wiping to secure the optional hard disk.
An Easy Operator
Easy operation, including a four-line display that provides intuitive visuals to guide users. Plus a convenient front-side Direct USB for printing PDFs and other image file types directly from portable memory devices.
Prints Black. Thinks Green.
Designed with eco-conscious features like Eco-Mode to help you save energy and Quiet Mode for ultra-quiet operation. Recycle your empty cartridges free of charge through the Lexmark Cartridge Collection Program (see Related Link to learn more).
In the Box
- Lexmark W850n laser printer
- Up to 35,000*-page High Yield Toner Cartridge
- Photoconductor kit
- Software and documentation CD
- Setup Guide or sheet (network and local attachment)
- Power cord(s)
- Statement of limited warranty / guarantee
- Lexmark Cartridge Collection Program information
- Safety sheet or booklet
*Average Cartridge Yield 35,000 standard pages. Declared yield value in accordance with ISO/IEC 19752.
Ethernet, USB or parallel cable not included.
Box contents may vary by country and/or reseller. Subject to change without notice.
Size (mm - H x W x D)
508 x 641 x 520 mm
Packaged Size (mm - H x W x D)
620 x 800 x 770 mm
1-Year Onsite Service, Next Business Day
Packaged Weight (kg)
Size, Trays Extended (in. - H x W x D)
20.0 x 38.25 x 20.5 in.
Size, Trays Extended (mm - H x W x D)
508 x 971 x 520 mm
CSA, ICES Class A, BSMI Class A, VCCI Class A, FCC Class A, UL 60950 3rd Edition, IEC 320-1, CE Class A, CB IEC 60950, IEC 60825-1, GS (TÜV), SEMKO, UL AR, CS, TÜV Rh, N Mark, C-tick Class ACCC Class A
Pallet Weight (kg)
Specified Operating Environment
Temperature:16 to 32°C, Humidity: 8 to 80% Relative Humidity, Altitude: 0 - 3048 Metres
Country of Origin
Average Power (Printing)
4-line 160 x 64 pixel All Points Addressable (APA) backlit gray-scale display
ENERGY STAR Typical Electricity Consumption (TEC)
6.00 kilowatt-hours per week
Print Resolution, Black
1200 x 1200 dpi, 2400 Image Quality, 600 x 600 dpi
Print Speed (A4, Black): Up to
Print Speed (A4, Black) Duplex: Up to
Time to First Page (Black) As fast as
Printable Area (metric)
4 mm of the top, bottom, right and left edges (within)
Noise Level, Idle
Print Noise Level, Operating
Maximum Monthly Duty Cycle: Up to
300000 pages per month
Recommended Monthly Page Volume
15000 - 59000 pages
Duty Cycle Notes
"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., "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.
Paper Handling Standard
500-Sheet Output Bin, Two 500-Sheet Trays, 100-Sheet Multipurpose Feeder
Paper Handling Optional
Duplex Unit, 2,000-Sheet High Capacity Feeder, 2,000-Sheet Dual Input, 2 x 500-Sheet Drawer, 3,500-Sheet Finisher
Paper Input Capacity, Standard: Up to
1100 pages 75 gsm bond
Paper Input Capacity, Maximum: Up to
5100 pages 75 gsm bond
Paper Output Capacity, Standard: Up to
500 pages 75 gsm bond
Paper Output Capacity, Maximum: Up to
3800 pages 75 gsm bond
Media Sizes Supported
10 Envelope, 7 3/4 Envelope, A3, A4, A5, C5 Envelope, DL Envelope, Executive, Folio, JIS-B4, JIS-B5, Ledger, Legal, Letter, Statement, Universal
Media Types Supported
Card Stock, Envelopes, Paper Labels, Plain Paper, Transparencies, Refer to the Card Stock & Label Guide
Paper Weight Range Supported - Standard Tray (gsm)
Number of Paper Inputs, Standard
Number of Paper Inputs, Maximum
Duplex (2-sided) Printing
Duplex Unit Available
*Average standard page yield value declared in accordance with ISO/IEC 19752., 35,000*-page High Yield Toner Cartridge
Cartridge(s) Shipping with Product
35,000*-page High Yield Toner Cartridge
Actual 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.
Photoconductor estimated yield: Up to
60,000 pages, based on 6 average letter/A4-size pages per print job
Apple Macintosh Operating Systems Supported
Apple Mac OS X (10.5, 10.6, 10.7, 10.8, 10.9)
Microsoft Windows Operating Systems Supported
Microsoft Windows 2000, Microsoft Windows XP, Microsoft Windows Server 2003, Microsoft Windows XP x64, Microsoft Windows Server 2003 running Terminal Services, Microsoft Windows 2000 Server running Terminal Services, Microsoft Windows Server 2003 x64, Microsoft Windows Server 2003 x64 running Terminal Services, Microsoft Windows Vista, Microsoft Windows Vista x64, Microsoft Windows Server 2008, Microsoft Windows Server 2008 x64, Microsoft Windows Server 2008 running Terminal Services, Microsoft Windows Server 2008 x64 running Terminal Services, Microsoft Windows 7
Novell Operating Systems Supported
Novell® Open Enterprise Server for Netware with NDS, iPrint or Novell Distributed Print Services (NDPS), Novell NetWare 5.x, 6.x with iPrint or Novell Distributed Print Services (NDPS)
Linux Operating Systems Supported
Linpus Linux Desktop 9.2, 9.3, SUSE Linux Enterprise Server 8.0, 9.0, 10, 11, SUSE Linux Enterprise Desktop 10, Linspire Linux 6.0, Debian GNU/Linux 4.0, Red Flag Linux Desktop 6.0, Fedora 12, 13, Ubuntu 9.04, 9.10, 10.04, 10.10, Debian GNU/Linux 5.0, 6.0, Red Hat Enterprise Linux WS 4.0, 5.0, 6.0, Ubuntu 11.04, 11.10, 12.04, 12.10, PCLinuxOS 2010, openSUSE 11.3, 11.4, 12.1, 12.2, PCLinuxOS 2011, Mint 9, 10, 11, 12, 13, Fedora 14, 15, 16, 17
UNIX Operating Systems Supported
Sun Solaris SPARC 8, 9, 10, Sun Solaris x86 10, HP-UX 11.11, 11.23, 11.31, IBM AIX 5.2, 5.3, 6.1, 7.1
Other Operating Systems Supported
IBM iSeries or IBM AS/400® Systems with TCP/IP with OS/400® V3R1 or later using OS/400 Host Print Transform, Virtually any platform supporting TCP/IP
Microsoft Windows 2000 Server running Terminal Services with Citrix Presentation Server 3.0, 4.0, Microsoft Windows Server 2003 running Terminal Services with Citrix Presentation Server 3.0, 4.0, 4.5, Microsoft Windows Server 2003 x64 running Terminal Services with Citrix Presentation Server 4.0 x64, 4.5 x64
One Internal Card Slot, Gigabit Ethernet (10/100/1000), Hi-Speed USB port Compatible with USB 2.0 Specification (Type B), Front Hi-Speed USB port Compatible with USB 2.0 Specification (Type A), Rear Hi-Speed USB port Compatible with USB 2.0 Specification (Type A)
Optional Local Ports
Internal RS-232C serial, Internal 1284-B Bidirectional Parallel
Optional Network Ports
Lexmark N4050e 802.11g Wireless Print Server (Print Only), Internal MarkNet™ N8130 Fiber Fast Ethernet, Internal MarkNet™ N8150 802.11b/g/n Wireless
Printer Languages (Standard)
PCL 5e Emulation, PCL 6 Emulation, Personal Printer Data Stream (PPDS), PostScript 3 Emulation, xHTML, PDF 1.6, Direct Image, Microsoft XPS (XML Paper Specification)
Fonts and Symbol Sets
3 of 9 scalable PCL 5e fonts in Narrow, Regular and Wide, 158 scalable PostScript fonts, 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.
Network Protocol Support
TCP/IP IPv4, IPX/SPX, AppleTalk™, LexLink (DLC), TCP/IP IPv6, TCP, UDP
Network Printing Methods
LPR/LPD, Direct IP (Port 9100), Socket (Raw TCP/IP), HTTP, NDS Queue-based Printing, NDPS/NEPS (Novell Distributed Print Services, Novell Netware Enterprise Print Services), Enhanced IP (Port 9400), FTP, TFTP, IPP 1.1 (Internet Printing Protocol), ThinPrint .print integration
SNMPv3, 802.1x Authentication: MD5, MSCHAPv2, LEAP, PEAP, TLS, TTLS, IPSec
Network Management Protocols
HTTP, HTTPs (SSL*/TLS), SNMPv3, WINS, IGMP, BOOTP, RARP, APIPA (AutoIP), DHCP, ICMP, DNS, SNMPv2c, Bonjour, DDNS, mDNS, ARP, NTP, Telnet, Finger, *This product includes software developed by the OpenSSL Project for use in the OpenSSL Toolkit.