The Lexmark CX421adn packs reliable, productive and secure colour multifunction performance into a small-footprint package with output at up to 25 [23] pages per minute*.
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.
With its small footprint, the CX421dn is 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.
Driven by a 1.2GHz quad-core processor, the CX421dn prints up to 25 [23] pages per minute* and can scan up to 50 [47] images per minute. With its steel frame, long-life imaging system, ease of upgrades and robust paper feeding system, it’s ready for lasting performance in any environment.
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.
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.
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.
*** Award based on North America and/or Western Europe data
* 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.
Box contents may vary by country and/or reseller. Subject to change without notice.
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.
Part no. | 42C7340 |
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Print technology |
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Functionality |
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Workgroup size |
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Display |
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Media sizes supported |
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Standard paper handling |
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Standard connectivity |
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Size (HxWxD) |
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Weight |
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Packaged size (HxWxD) |
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Packaged weight |
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Copy speed |
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Copy speed duplex |
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Time to first copy |
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Reduce / enlarge range |
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Modem speed |
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Fax transmission speed |
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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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Scanner type / ADF scan |
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Scan area |
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Simplex scan speed |
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Duplex scan speed |
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Scan technology |
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Optical scan resolution |
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Scan file formats |
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Scan destinations |
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Autom. document feeder |
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ADF paper input capacity / ADF paper output capacity |
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Media types supported |
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Finishing |
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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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Integrated Tray Card Stock Upper limit |
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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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Cartridge yields |
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Cartridge(s) shipped 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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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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Optional network ports |
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Microsoft Windows operating systems supported |
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Apple Operating Systems Supported |
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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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UNIX operating systems supported |
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Energy Star |
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Energy Star Typical Electricity Consumption |
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Noise level / Noise Level |
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Duplex print noise level |
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Average power in Hibernate mode / Average power in Sleep mode / Average power in Ready mode / Average power while printing / Average power while copying / Average power while scanning |
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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 no. | Page Yield * |
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78C20K0 | 2.000 | |
78C20CE | 1.400 | |
78C2XY0 | 5.000 | |
78C2XK0 | 8.500 | |
78C2XC0 | 5.000 | |
78C2XM0 | 5.000 | |
78C20C0 | 1.400 | |
78C20M0 | 1.400 | |
78C2XYE | 5.000 | |
78C20Y0 | 1.400 | |
78C2XKE | 8.500 | |
78C20ME | 1.400 | |
78C2XCE | 5.000 | |
78C2XME | 5.000 | |
78C20YE | 1.400 | |
78C20KE | 2.000 |
Name | Part no. | Page Yield |
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78C0ZK0 | 125.000 | |
78C0Z50 | 125.000 | |
78C0W00 | 25.000 | |
78C0ZV0 | 125.000 | |
78C0Z10 | 125.000 |
Name | Part no. | Page Yield * |
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78C0X40 | 5.000 | |
78C0X10 | 8.500 | |
78C0X20 | 5.000 | |
78C0X30 | 5.000 |
*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 no. | Category |
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2364164 | Extended Warranties | |
2364165 | Extended Warranties | |
40C2300 | Furniture | |
1021294 | Connectivity | |
2364181 | Extended Warranties | |
3073173 | Furniture | |
2365569 | Extended Warranties | |
2365568 | Extended Warranties | |
2365567 | Extended Warranties | |
2364152 | Extended Warranties | |
40C9202 | Application Solutions | |
40C9200 | Application Solutions | |
27X6410 | Connectivity | |
2365566 | Extended Warranties | |
2365570 | Extended Warranties | |
2364153 | Extended Warranties | |
2368643 | Extended Warranties | |
SPD0002 | Connectivity | |
2365572 | Extended Warranties | |
2365571 | Extended Warranties | |
2364154 | Extended Warranties | |
2367368 | Extended Warranties | |
2364157 | Extended Warranties | |
2364158 | Extended Warranties | |
2364155 | Extended Warranties | |
2364156 | Extended Warranties | |
57X9801 | Memory Options | |
50M7650 | Paper Handling | |
42C7650 | Paper Handling | |
2364159 | Extended Warranties | |
57X9814 | Memory Options | |
2364163 | Extended Warranties | |
57X9812 | Memory Options | |
57X9815 | Memory Options | |
2364161 | Extended Warranties | |
2364162 | Extended Warranties | |
57X9810 | Memory Options |
†"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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