All of a sudden, when I try to print from Photoshop CS6, I get a message that says my printer is not online. If I load the photo to another program I have no problem printing.
My grandson was using my Photoshop and may have changed some setting, but I have no idea which settings!
Any help would be appreciated.
but I have no idea which settings!
Neither have we. You provide no details about your system, what printer and what the current settings actually look like. Provide screenshots of the relevant panels.