These products are guaranteed to work with your Lexmark X644 printer.
Lexmark X644 is a Workgroup multifunction monochrome laser printer. This printer is designed for high performance with easy operation to produce a high quality printing, copying, scanning and fax. The printer is having a basic postscript support and the language simulation is postscript 3 and PCL 6. The processor installed in this multifunction device is 514 MHz with 128 MB RAM and the maximum is 640 MB. This multifunction printer supports maximum types and sizes of the media. The printer is equipped with one auto-load of 500 pages.