Best Duplex Printing Speed

Lexmark 42C7780 CX625ade Color Laser Printer

Actual scan Area on the glass is 8.26" X 11.47" For all BROTHER 8.5"X 11.5" Scanners..
Advanced duplexing capabilities: automatic duplex printing (two-sided printing), single-pass duplex scanning & faxing.
Versatile printer connectivity: RJ-45 Ethernet, Wireless 802.11B/g/n, Hi-Speed USB 2.0.
Encompassing mobile device printing support: airprint™, Google cloud print™, brother™ iprint&scan (free app), cortado workplace and Wi-Fi direct™.
High performance output: produce crisp black and high-impact color business documents (up to 600 x 2400 dpi resolution @ up to 23 ppm) using brother’ S Digital LED Print technology.

【High-quality Main Features】 Fast color printing, plus automatic duplex printing and 2. 7-inch color touch screen control panel. Print consistently high-quality documents and vivid graphics with the HP color LaserJet Pro M454dw, A wireless color laser printer designed to let you focus on growing your business.
【Quick Connection】 Use Built-in Wi-Fi Direct to connect your smartphone directly to your wireless color laser printer for easy mobile printing, even without a local network connection.
【Security Points】Protect company data and safeguard against cyberattacks with protection built into the printer hardware, firmware and OS.
【Fast Print Speed】This wireless all-in-one printer features a fast print speed of up to 28 ppm, automatic duplex printing, 250-sheet input tray, and an intuitive 2.7-inch color touchscreen.
【Innovative Design】 - Designed with the environment in mind, HP color LaserJet Pro M454dw saves up to 11% energy over prior products, with technologies that help reduce paper waste.

▲ Brother Monochrome Laser Printer doesn't have W-i-F-i capability ▲ Fast, high-quality printing up to 27 ppm.
Automatic duplex (2-sided) printing to help save paper.
250 Sheet Capacity Paper Tray. A4 2-sided print speed-13. A4 standard print speed-26. Automatic 2 sided print. Recommended monthly volume-250 to 2,000 pages..
Windows 10 Compatibility: If you upgrade from Windows 7 or Windows 8.1 to Windows 10, some features of the installed drivers and software may not work correctly. Please uninstall all drivers and software in Windows 7 or Windows 8.1 before upgrading to Windows 10..

The office printers professionals prefer: Print, scan, copy, and fax high-quality documents with the HP Color LaserJet Enterprise Multifunction M578c, a duplex printer that combines strong security, high-speed performance, and smart sustainability.
World’s most secure printing: This color laser printer has the industry's strongest security with embedded features that provide multilayered protection for sensitive data, thwart malware, and continually detect and stop attacks.
Centralize printing control: Help build business efficiency and centralize your printing environment with HP Web Admin by easily adding new devices and third-party solutions, updating features, and applying corporate policies.
Complete high-volume jobs at fast speeds: Keep business moving with duplex printing, 100-page auto-document feeder, 650-sheet input tray capacity, print speeds of up to 40 ppm, and convenience stapler.
Advanced workflow: Enhance productivity with features that help detect potential errors or missed pages and ensure proper scanning orientation and size, and enter data more quickly us....

Features: Wireless LAN, AirPrint, Google Cloud Print, Wireless, Printing, Mobile Device Printing, USB 2.0 Hi Speed: Plug the cable into your PC for a super fast connection for your data transfers.
Fully-Integrated, 35-sheet Duplex Auto Document Feeder: Easily copy, scan and fax multiple documents without having to load them one page at a time.
Built-In Auto Duplex Printing: Automatically print on both sides of the page without the hassle of turning it over manually.
Compatible with Individual/Combo CLI-251 XL Ink Tanks (Cyan, Magenta, Yellow, Black) & PGI-250 XL Or PGI-255 XXL Pigment Black Ink Tanks..
20-Foot cord.OS Compatibility:Windows 8, Windows RT, Windows 7, Windows 7 SP1, Windows Vista SP1, Vista SP2, Windows XP SP3 32-bit and Mac OSX 10.6.8 - 10.9.x.
Dimension (W x D x H) : 19.4 (W) x 15.6 (D) x 9.1 (H). Weight : 25.7 pounds.