1 Before Using the Printer172 Connect the USB cable to the printer and the computer.First, connect the cable to the printer, then connect it to the computer.● You can disconnect the USB cable even while the printer and computer are on, butdo not disconnect the USB cable in the cases described below. This could preventthe printer from operating normally.• While the computer is starting up (until the desktop display appears).• While the printer is printing.• While you install the printer driver.To disconnect the USB cable while the computer and the printer are on, disconnectit at the computer or the USB hub. To reconnect the USB cable, wait at least 5seconds before you connect it again. If you reconnect it immediately, the printermay not operate correctly.Important