How can i download 4421-001 drivers - Computers & Internet

You should Mention the device model number clearly. I guess it is Lexmark Multifunction P4350 Printer. I am providing driver download link below (Compatible with XP) :

For 4300 : http://downloads.lexmark.com/downloads/cpd/cjb4300EN.exe

Or

Choose a different OS and download the driver from below link :

http://support.lexmark.com/index?locale=en&page=product&productCode=LEXMARK_P4350&segment=SUPPORT&userlocale=EN_US&frompage=null#1

For more assistance please stay connected with Fixya.

Thanks for joining us. Have a nice day.