Give every small workgroup color output with the compact, lightweight Lexmark CS431dw, ready to network or share wirelessly with output at up to 24 ppm*.
Compact and lightweight, the CS431dw fits almost anywhere. But its steel frame and long-life imaging components mean it’s also built to last.
In addition to Gigabit Ethernet and USB connectivity, dual-band Wi-Fi makes it fast and easy for mobile users to get output via the Lexmark Mobile Print app, as well as Google Cloud Print, Mopria®, and AirPrint technologies. And the Lexmark Mobile Assistant app simplifies wireless configuration.
Get rich, vibrant color in seconds with Lexmark’s unique Unison™ toner. And easy-to-change Extra High Yield replacement cartridges give you more printing and less downtime.
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.
A 7.2-cm color touch screen enables convenient interaction with essential system functions and task information, while built-in cloud connectors let you securely access files from popular cloud services Box, DropBox, Google Drive, and Microsoft OneDrive.
Automatic two-sided printing is standard, along with built-in energy-saving modes that help support ratings of EPEAT® Silver and ENERGY STAR® certified. The Lexmark Cartridge Collection Program (LCCP) and Lexmark Equipment Collection Program (LECP) minimize waste and support recycling (availability varies by country).
** Average continuous black or continuous composite color (CMY) declared yield in one-sided (simplex) mode up to this number of pages in accordance with ISO/IEC 19798. Actual yield will vary considerably based upon many factors. See www.lexmark.com/yields for more information.
* Print and copy speeds measured in accordance with ISO/IEC 24734 and ISO/IEC 24735 respectively (ESAT). For more information see: www.lexmark.com/ISOspeeds.
Ethernet, USB or parallel cable not included.
*Average continuous black or continuous composite CMY declared cartridge yield in one-sided (simplex) mode up to this number of standard pages in accordance with ISO/IEC 19798.
Box contents may vary by country and/or reseller. Subject to change without notice.
Part # | 40N9426 |
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Print Technology |
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Workgroup Size |
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Display |
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Media Sizes Supported |
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Included Paper Handling |
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Standard Ports |
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Size (mm - H x W x D) |
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Weight (kg) |
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Packaged Size (mm - H x W x D) |
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Packaged Weight (kg) |
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Print Speed |
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Print Speed Duplex |
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Time to First Page |
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Print Resolution |
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Duplex |
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Printable Area |
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Media Types Supported |
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Finishing Option |
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Number of Paper Inputs |
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Paper Input Capacity |
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Paper Output Capacity |
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Paper Weight Range Supported |
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Optional Paper Handling |
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Recommended Monthly Page Volume |
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Maximum Monthly Duty Cycle |
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Laser Cartridge Yields |
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Cartridge(s) Shipping with Product |
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Replacement Cartridges: |
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Processor Speed |
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Memory |
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Hard Disk |
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Printer Languages |
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Fonts and Symbol Sets |
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Touch Screen Display |
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Direct USB |
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Ethernet Network |
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Wireless |
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Network Protocol Support |
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Network Printing Methods |
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Network Management Protocols |
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Network Security |
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Microsoft Windows Operating Systems Supported |
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Apple Operating Systems Supported |
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Android Operating System Support |
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Linux Operating Systems Supported |
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Citrix MetaFrame |
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Novell Operating Systems Supported |
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ENERGY STAR |
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ENERGY STAR Typical Electricity Consumption |
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Noise Level |
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Duplex Print Noise Level |
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Average Power |
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Specified Operating Environment |
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Product Certifications |
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UNSPSC Code |
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Country of Origin |
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License/Agreement Terms |
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Product Guarantee |
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1Print and copy speeds measured in accordance with ISO/IEC 24734 and ISO/IEC 24735 respectively (ESAT). For more information see: www.lexmark.com/ISOspeeds.
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.
4Average continuous black or continuous composite CMY declared cartridge yield up to this number of standard pages in accordance with ISO/IEC 19798.
5This product includes software developed by the OpenSSL Project for use in the OpenSSL Toolkit. (http://www.openssl.org/)
Name | Part # | Page Yield * |
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20N5XK0 | 6 000 | |
20N5XY0 | 6 700 | |
20N5XC0 | 6 700 | |
20N50C0 | 1 500 | |
20N50K0 | 1 500 | |
20N50M0 | 1 500 | |
20N50Y0 | 1 500 | |
20N5XM0 | 6 700 |
Name | Part # | Page Yield |
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20N0W00 | 15 000 |
Name | Part # | Page Yield * |
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20N0X10 | 6 000 | |
20N0X40 | 6 700 | |
20N0X30 | 6 700 | |
20N0X20 | 6 700 |
*Average continuous black or continuous composite CMY declared cartridge yield up to this number of standard pages in accordance with ISO/IEC 19798.
Name | Part # | Category |
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2371445 | Extended Guarantees | |
2371438 | Extended Guarantees | |
2371437 | Extended Guarantees | |
40C2300 | Furniture | |
2371436 | Extended Guarantees | |
1021294 | Connectivity | |
2371442 | Extended Guarantees | |
2371450 | Extended Guarantees | |
2371441 | Extended Guarantees | |
2371440 | Extended Guarantees | |
40N4250 | Paper Handling | |
2371439 | Extended Guarantees | |
2371447 | Extended Guarantees | |
2371448 | Extended Guarantees | |
2371444 | Extended Guarantees | |
2371449 | Extended Guarantees | |
2371453 | Extended Guarantees | |
2371454 | Extended Guarantees | |
2371455 | Extended Guarantees | |
2371508 | Extended Guarantees | |
2371456 | Extended Guarantees | |
2371443 | Extended Guarantees | |
2371451 | Extended Guarantees | |
2371452 | Extended Guarantees | |
2371435 | Extended Guarantees | |
2371434 | Extended Guarantees | |
2371433 | Extended Guarantees |
†"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. Lexmark is not liable for any errors or omissions.
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