First place to look for:
www.ricoh.com
Sellect your location.
Chose the download section.
Enter "gelsprinter" in the search box. You can enter your model in the search box at the same time.
Find your specific model.
Download the updated drivers.
If the manual is available, get it. It may contain specific instruction to use that printer with Windows 7.
Electro, October 2011
