I had an error message relating to my printer appearing, so decided to uninstall it, having nothing to lose. I tried again and it has now worked. I've no idea how this could relate but it seems to!
Computer type Laptop System Manufacturer/Model Number Asus K52F OS Win 7 x64 Home Premium (and x86 VirtualBox VM) CPU i3 370M Motherboard Asus Memory 8GB - finally :) Graphics Card it's an i3, dude! Sound Card onboard Monitor(s) Displays 15.6" built-in Screen Resolution 1366x768
PSU n/a Hard Drives 750GB Seagate internal
Sundry external drives attached to other computers on the local network Internet Speed as much as I can get - usually on a dongle, so <1Mb/s Antivirus MSE Browser IE10/Chrome/FF(if I must)
That would probably have been second on my list - much though I love the printers, some of their drivers 'leave something to be desired'.
See if there's an updated driver set available at the HP site.
Computer type Laptop System Manufacturer/Model Number Asus K52F OS Win 7 x64 Home Premium (and x86 VirtualBox VM) CPU i3 370M Motherboard Asus Memory 8GB - finally :) Graphics Card it's an i3, dude! Sound Card onboard Monitor(s) Displays 15.6" built-in Screen Resolution 1366x768
PSU n/a Hard Drives 750GB Seagate internal
Sundry external drives attached to other computers on the local network Internet Speed as much as I can get - usually on a dongle, so <1Mb/s Antivirus MSE Browser IE10/Chrome/FF(if I must)