Having trouble printing on a 3x5 Address cards with windows 7 installed on our computer. Windows 7 doesn't allow us to create a new custom size or override the custom sizes alreay preset. We are able to print on the 3x5 cards in Windows XP and Vista both allow us to create a custom size in the Canon print dialogue box.
What you can and can't print is determined by the printer and software and nothing to do with Windows.
The only difference here would be the Windows 7 driver and software being different from that used in XP.
Did you download the Canon software for W7 as well as the driver?
Everything was set-up using the disk that came with the copier which probably has the old drivers on it.
I've gone to the Canon site to look over updating the driver but I don't know which is the best driver to install. I talked to a Canon rep but he wasn't really able to explain the difference between the multiple drivers for Windows 7:
-PS Printer Driver for Canon iR3035
-PCL6 Printer Driver for Canon iR3035
-PCL5e/5c Printer Driver for Canon iR3035
-UFR II/ UFRII LT Printer Driver for Canon iR3035
I don't know which would be the best choice for my purposes.