A PPENDIX A.172 Hold the USB cable so the icon faces up and connect it toyour printer’s USB connector.3 Connect the other end of the cable to an available USB porton your Macintosh computer. If you have any connectingproblems, please refer to your computer documentation.Note: If you are using a USB hub, connect the printer’s cable tothe first tier of the hub or the printer may malfunction. Ifthe printer doesn’t work with the hub, connect it directlyto the USB port.Using Your Printer with MacintoshInstalling Software 1 Turn on your computer and printer.2 Insert the CD-ROM which came with your printer into the CD-ROM drive.3 Double-click the Samsung ML-1250 on your Macintoshdesktop.4 Select the correct language, then click Continue.5 Click Install.6 After installation is complete, click Quit.