Full Description:

Easy-to-Use: Customizable and easy-to-view, large, vivid, well-spaced familiar icons on the Lexmark e-Task 8-inch (20 cm) color touch screen provide access to print, copy, fax and scan-to-email functions.
Up to 35 mono scans-per-minute (33 spm A4) and up to 18 color scans-per-minute (17 spm A4) with an up to 50-page single-pass duplex Automatic Document Feeder.
Up to legal size documents (8.5 x 14", 216 x 355 mm) with up to 600x600 dpi in mono and up to 300x300 dpi in color
The Lexmark 4600 MFP Option includes the scan unit, a scanner interface card, a firmware upgrade card, 512MB DDR-DRAM, an operator panel cover, cables, documentation and software.
Supported printers: Lexmark C772n, C772dn and C772dtn printers. The scan unit may be installed on a C772 Scanner Shelf (pn 21J0055), Scanner Stand with Cabinet (pn 16C0700), sturdy table or desk.