Windows 7 printing through shared printer on Mac OS X issues

[ScarySulley]

I have a Mac running OS X Snow Leopard with an Epson r3000 connected to it via USB. The Mac has it shared. I have a Windows 7 PC and have successfully printed a test page from it to the Epson. I can print sample pictures via Windows Photo Viewer just fine. But if I try to print with Paint for GIMP, for example, nothing happens. When printing via Windows Photo Viewer the file shows up in the print queue, but not when I print from other programs (Paint and GIMP).

Any ideas?

 

[ScarySulley]

You have to look at print drivers are not properly set up shared

How would I do that?

And if I could print from on program, doesn't that mean it works and I should be able to print from others as well (even though it doesn't right now)?