I also have Windows 7 ultimate installed with an HP PSC 1310.
it kept printing an alignment page every startup, so I downloaded and installed the HP PSC 1315 All In One Printer Series setup:
Link:
This download will work for the 1300 series.
I ran the printer align cartridge utility, printed page, put in scanner bed, and used the "scan" button as the "OK" button and it solved the problem.
Thanks for the "scan" button tip.