I just purchased an Epson R280 Photo Printer and I do not have a USB that connects it to my computer, so I downloaded my pictures onto a CD. The problem is the printer is not completely set up, and before I can insert the CD into the printer I have to insert the CD tray into the printer and I do not know how. Can anyone who has done this before please tell me what I need to do to insert it. It would be extremely appreciated.