UMAX Technologies Astra 2000U User Manual
Page 99
UMAX Astra 2000U/P Owner’s Guide
99
Re-install the software driver from the VistaScan CD-ROM. Make
sure the extension is loaded and on.
Problem:
The following error message appeared: "Scanner not found" or
"Unable to control scanner"
Solution:
Follow this procedure:
1. Isolate, and plug the scanner in a USB port by itself.
2. Go to the Apple System Profiler, listed under the Apple menu.
3. Go to the Devices & Volumes tab (Command + 2). Is the
scanner listed under the USB tree as:
Class: 0
Product ID: 16
Vendor ID: 5638
4. If no, disconnect the USB cable from the computer.
5. Go to Command, Update All Information (Command + U).
6. Reconnect the scanner, and Update All Information again. Is
the scanner listed? If yes, you can begin scanning. If no, please
call UMAX Technical Support.
Try the following solutions, if you are still experiencing
scanning problems:
1. Plug the scanner power adapter directly into the wall outlet and
not in a surge protector.
2. If using a USB hub, plug the scanner directly into the
Macintosh USB port.