Try HP's web site suggestions first.
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01077492&cc=us&lc=en&dlc=en&product=61736
If your sacnner still fails to function, uninstall everything for the Officejet through add/remove in control panel. (Power off printer before uninstalling).
Go to Hp's web site.
http://welcome.hp.com/country/us/en/welcome.html#Support
Step 1. Click, Download drivers and software (and firmware).
Go to step 2. For product, type in Officejet k60xi .
Power on your printer. (Wait for printer to fully power on).
Click, Start Detection>> button.
Allow HP to scan your system & install the latest software.
Follow the on scren instructions. (When finished, restart your PC). Test your scanner by scanning something.
If your scanner still fails to scan, you may be missing basic HP files loaceted in windows system & windows system32 folders.
(These missing files were not installed during your install of windows). Not your fault.