After connecting the printer to a PC, you must install the EPSON
USB Printer Device Driver and the printer software. See
"Installing the USB Software in Windows" on page 6.
After connecting the printer to an iMac computer, you must install
the printer software and select the USB port for your printer in
the Chooser. See "Installing the Printer Software in Your
Macintosh" and "Selecting Your Printer in the Chooser" in the
Setup & Daily Use guide.
5