Jeste me napadlo, zkusit nainstalovat pouze driver nikoliv balik Full Driver
http://h10025.www1.hp.com/ewfrf/wc/softwareDownloa dIndex?softwareitem=al-53975-3&cc=cz&dlc=cs&lc=cs& os=2093&product=3177566&sw_lang=
Sice tam pisou neco o XP a Vista, ale mohlo by to fungovat i pro Seven