The Lexmark X642E is a mid-range multifunction monochrome laser printer that also features a fax machine, scanner and photocopier. It is also versatile in that it can handle labels, heavy paper and recycled paper or other unique forms of printing (e.g. bar codes). Its processor operates at 514MHz and it can produce up to 45 pages per minute. It is also supposed to be easy to use and has a 5.7"-diagonal touch screen operator panel. Its scanner can email scanned documents or save them directly to USB flash memory. The whole unit can also detect the size of paper being scanned or copied to select the proper tray to print from. Maximum print resolution is 1200 x 1200 dpi, and paper input and output capacities are 3100 and 500 sheets respectively. It also has security functions like SNMP v3, SSL and IP Security.