Thank you so much for your response--this thing has been driving me batty!
I'm working with a PC; my WinXP Home and I'm using Photoshop CS2.
I have discovered, however, that there is "Paper Check" option in the printer menu--something that does not appear anywhere in the printer's manual! By turning it "off" it keeps the printer from measuring the size of the paper and reporting that it's the "wrong size." Fortunately the company that sold me the cardstock (www.digitalartsupply.com
) just told me about this little secret that Epson's hiding from us, and I'm now able to print successfully onto the 7x10 cardstock.
But thank you again for your response and offer to help!