It seems that laserjet 1000 is not even Vista compatible. Furthermore, it has been discontinued. There is a workaround for Vista 32-bits that will also work for Windows 7, but not for 64-bits.
Hi; HP never developed a 64 bit driver for that printer. Install Windows Xp On Hp Dc 7900 Ultra Slim. The only drivers they released for that model were for Windows 2000, XP and 2003 Server 32 bit.
See if manually installing the XP driver for your printer works on W7 as follows. Microsoft Office 2007 Enterprise Activated And Tested Positive For Hpv. I have zipped up and attached the XP 32 bit driver below. Lexmark X422 Printer Driver Windows 7 Download Preactivated Version more.
Download and unzip the file to its folder. Have your printer connected and use the add printer wizard to install the printer. When you get t the part where you are asked to install the driver, click on Have Disk, and browse to the driver folder you unzipped>HPLJ1000 setup information file, select the hp LaserJet 1000 from the list, and see if the driver installs that way.