With the Lexmark X644e, the large, familiar icons on the Lexmark e-Task 8-inch (20 cm) colour touch screen provide access to print, copy, fax and scan-to-email functions. Copy or print at up to 50 ppm or scan (with a 50-sheet duplex ADF) with a 514 MHz processor, 256MB RAM (expandable to 768MB) and a time to first copy as fast as 7.5 seconds. IPv6, SNMPv3, SSL, IPSec and 802.1x authentication and user authentication provide security measures for communications and data encryption.

• Easy-to-Use: Customizable and easy-to-view, large, vivid, well-spaced familiar icons on the Lexmark e-Task 8-inch (20 cm) colour touch screen provide access to print, copy, fax and scan-to-email functions.
• Powerful: Copy or print up to 50 pages per minute with standard 256MB RAM, expandable to 768MB, and a 514 MHz processor and a time to first copy as quick as 7.5 seconds to handle even the most complicated output.
• Scanning: Up to 600x600 dpi in black and up to 600x300 dpi in colour with an up to 50 page Automatic Document Feeder (ADF)
• Security: IPv6, SNMPv3, SSL*, IPSec and 802.1x authentication and user authentication provide security measures for multifunction communications and data encryption. (*See Features)
• Versatile: Specialized and general office copy, fax, scan and print is consolidated on one multifunction printer supporting an array of business output application needs.
• Convenient: Direct printing of PDF and image (TIFF, JPEG) files from a USB flash drive using the convenient USB Direct interface on the operator panel. Or scan a document and save to the USB Flash drive as PDF, TIFF or JPEG.
• Standard Features: Priority Copies and Job Cancel increase user productivity (See Features)