HP 7400c User Manual
Page 15

Installing and troubleshooting
15
To test the USB connection
1
Close all applications and shut down the computer.
2
Make sure that the scanner is unlocked.
3
Connect the power cord to the scanner and to an electrical outlet.
4
Turn on all external USB devices, including the scanner.
5
Turn on the computer.
6
Choose Control Panels from the Apple menu, and then choose HP ScanJet
Controls from the submenu.
7
Click the General tab in the HP ScanJet Controls dialog box.
8
Click USB, and then select the model number of your scanner from list, if it is
not already selected. (The scanner you select becomes the default scanner.)
9
Click Refresh.
10 Press the
HP S
CANNING
S
OFTWARE
button on the front of the scanner. If the
scanner is connected correctly, the HP scanning software appears.
If USB still is not detected, use the SCSI connection. See