Microtek ScanMaker 9800XL Installing And Getting Started page 7

2. Connect the scanner to your computer, using the provided FireWire cable.
Connect one end of the FireWire cable to your computer's FireWire port, and
connect the other end of the cable to the scanner's FireWire port.
3. Turn the scanner's power switch to "On", and wait for the green light on the
scanner's front panel to stop blinking and stay on steady.
4. Your system will detect the scanner automatically.