Canon DR-3080CII - Manual (Page 16)

14 Before Using the Scanner
■ Rear
CAUTION
Do not block the ventilation openings. Doing so could cause the
scanner to overheat, creating a risk of fire.
Power Cord Connector
Connect to the power cord.
SCSI Connector
Connect to a 50-pin half-pitch (pin
type) SCSI cable. DIP Switches
Set the SCSI ID.
Ventilation Openings
USB Connector
Connect to a Hi-Speed
USB 2.0 compatible
cable.