These products are guaranteed to work with your Lexmark X644e printer.
Lexmark X644e is a Workgroup multifunction monochrome laser printer. This printer is equipped with a Lexmark e-Task 8 inch colour touch screen and this touch screen easily captures and sends the documents electronically. The speed of the print is up to 50 ppm, copy speed is up to 35 ppm and scan speed is up to 35 ppm in black and up to 17 ppm in colour. The copy resolution is 600 x 600 dpi and the print resolution of this device is up to 1200 x 1200 dpi.