Ancient
yep, thats one that HP didn't bother writing Windows 7 drivers for
The basic driver than downloads through windows update gives you basic printing and scanning, but none of the buttons on the printer will work. You have to scan using a third party utility e.g windows picture editor or similar
see
The Driver for Your Product Is Included in the Windows 7 Operating System HP PSC 1355 All-in-One Printer - HP Customer Care (United States - English)