These products are guaranteed to work with your Lexmark T640dtn printer.
Lexmark T640dtn is a Workgroup monochrome laser printer and the device is designed with a white colour outfit. This printer is equipped with duplex printing. The typical paper handling capacity of 250 page duplex unit, 250 page output bin, 500 page drawer, 100 page multipurpose feeder and 250 page input tray and in optional paper handling capacity there comes a 1850 page high capacity output stacker, 200 page universally adjustable tray with a drawer, 400 page universally adjustable tray with a drawer, 5 bin mailbox, 650 page output expander, envelope feeder, staple smart finisher, 250 page drawer, 500 page drawer and 2000 page high capacity feeder. This printer is having Ethernet, Parallel and USB interface.