High-yield replacement toner and tools that help minimize toner consumption are the Lexmark CS521dn’s keys to controlling the cost of colour. Built for reliability, performance and security, the CS521dn prints up to 35  pages per minute* and features long-life imaging unit and optional maximum input up to 1,451 pages.
Financing options available
Volume, government, or public sector, please contact us for a customized quote
Lexmark's comprehensive approach to product security is a design and engineering mandate across our entire product portfolio. Our security features help keep your information safe—in the document, on the device, over the network and at all points in between. That’s why Keypoint Intelligence - Buyers Lab honored Lexmark with a prestigious BLI PaceSetter award for Document Imaging Security***. And this Lexmark product enables you to be GDPR ready.
Make every watt count with energy management features that reduce power consumption whether the device is active or in sleep mode. Lower fusing temperature, automatic management of processor cores based on workload, and standard two-sided printing all help it achieve EPEAT® Silver rating and ENERGY STAR® (2.0) certification. That benefits the planet and your budget.
Classic connections, wireless convenience
Beyond included USB and gigabit ethernet, this device lets you connect wirelessly via AirPrint, Google Cloud Print, and Mopria on any network with existing Wi-Fi access. An optional Wi-Fi card offers an additional secure, direct mobile print connection. And with Lexmark Mobile Print, printing’s as easy as hitting print, choosing your printer and picking up your job.
Colour that only looks expensive
Thanks to PANTONE® calibration, embedded colour sample pages and Lexmark colour Replacement, you’ll get accurate, professional colour in-house. And you’ll save toner with included tools that let you choose when and how much colour to print, including mono-only print drivers, user-based colour print permissions and quotas, global colour density control, object-specific colour Saver, proof before printing and more.
Interact with ease
With its small footprint, it’s easy to find a place for. And the new front-panel power button and direct-print USB port, 2.4-inch colour LCD with keypad and secure browser-based device management make it easy to interact with.
Engineered to last
A steel frame, long-life imaging system, and robust paper feeding system that reliably handles diverse media types and sizes all support lasting performance in any environment. With optional tray for up to 1451 total pages of input, and recommended monthly page volume up to 8500 pages, you’ll spend less time doing service and more time printing.
*Print speeds measured in accordance with ISO/IEC 24734 (ESAT). For more information see: www.lexmark.com/ISOspeeds.
**The Trusted Platform Module (TPM) is not available in some countries.
†"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. All information is subject to change without notice.
Windows 10, Windows 8.1, Windows 8, Windows 8 x64, Windows 7 x64, Windows 8.1 x64, Windows 7
Apple Operating Systems Supported
Apple OS X (10.6, 10.7, 10.8, 10.9, 10.10, 10.11, 10.12, 10.13)
Linux Operating Systems Supported
Debian 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
Microsoft 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 Supported
Novell 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 Supported
Sun Solaris x86 10, 11, Sun Solaris SPARC 10, 11, IBM AIX 6.1, 7.1
Electrical & Operation
ENERGY STAR Typical Electricity Consumption
0.51 kilowatt-hours per week
Inaudible dBA (Idle)
50 dBA (Print)
Duplex Print Noise Level
0.2 watts (Hibernate Mode)
1.29 watts (Sleep Mode)
37 watts (Ready Mode)
530 watts (Printing)
Specified Operating Environment
Humidity: 8 to 80% Relative Humidity
Altitude: 0 - 3048 meters
Temperature: 10 to 32°C (50 to 90°F)
ENERGY STAR, Blue Angel RAL-UZ 205, 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, 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, EN 55024, UL), EFTA (CE), KCC, CCC, CECP, CEL, C-tick DoC, UL-AR, KC mark, UL GS mark, UCRF, EC 1275, China Green Product (CGP)
Harmonized Tariff Code
Country of Origin
Printers are sold subject to certain license/agreement conditions. See www.lexmark.com/printerlicense for details.