Hay una forma de instalarla en Windows 8, lo refirieron en el foro en Ingles.
To install a printer that doesn't have a driver for Windows 8 in Windows 8: 1. Connect the device to the computer. 2. Windows will try to find a driver but won't be able to. 3. Close any notifications that come up. 4. Hold your mouse in the upper or lower right corner of the computer screen to bring up the charms bar. If you have a touch screen, you can slide your finger left starting from the right edge of the screen. 5. Click on Search. 6. Under the search box, click on settings. 7. In the search box, type Device Manager. 8. Select Device Manager from the list on the left. 9. Click on View and select Show hidden. 10. You should see a 2 devices marked photosmart 7600 on the list, one with a yellow triangle and one without a yellow triangle. 11. Right-click on that device that does not have a yellow triangle, and select Install/Update driver. 12. A window will come up with 2 choices. Select "Browse my computer for driver software" 13. On the next window, select "Let me pick from a list of device drivers on my computer" 14. On the next window, make sure the check-box next to "Show compatible hardware" is not selected. 15. In the Manufacturer list, select HP. 16. In the Model List, select either the Deskjet PCL3 driver. 17. Click Next. 18. Click Finish. 19. Try printing.