How do i get a memory card to work in my printer?

I have a hp psc 1350 printer. I need to load a memory card from my friends camera onto the computer and i do not have the cord. When i put the memory card into the printer it reads error. It does this with one of my memory cards too, but with another one it works. My friends card says Toshiba SD memory card and it is 256 MB. Is there a way i can get it to work, and somehow get the pictures on the computer?