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"Remove the Lexmark X63 drivers
Start menu > Programs > Lexmark X63 > Remove
Disconnect the USB cable
Delete Lexmark X63 from Printers and Faxes
Start menu > Settings > Printers and Faxes
Right click on Lexmark X63
Left click on Delete
Right click on My Computer
Left click on Properties
Left click on Hardware
Left click on Device Manager
Remove everything from Universal Serial Bus Controllers
Restart Computer
Install the printer program from the Lexmark X63 CD
Restart Computer
Add printer in Printers and Faxes
Start menu > Settings > Printers and Faxes
Left click on Add Printers
Add the printer
Print a test page in the wizard
Restart Computer