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Macintosh Version Problems and Solutions
Problem:
When I daisy chain the scanner with other USB capable devices, I get a scanner error.
Solution:
Many Macintosh computers have at least two USB ports. We recommend that you connect your scanner
directly to one of these ports. Daisy-chaining the scanner, or running the scanner through a hub can cause
the signal to be lost before it is communicated to the computer.
To make the troubleshooting process easier, disconnect your scanner from other USB capable devices or
hubs when troubleshooting.
Problem:
I cannot get the scanner to install properly, or it does not run once it is installed.
Solution:
If you are having problems installing or using the Astra 3400 / 3450 scanner, ensure that Macintosh OS 8.0
or higher is installed on your computer.
Problem:
The system takes too long to scan.
Solution:
Disable virtual memory, reboot your computer with the extensions disabled (hold down the SHIFT key
during re-boot), and try again. Booting with the shift key still loads the extension.
Problem:
Your system goes to the Finder when you try to acquire the scanner.
Solution:
Plug the scanner into its own power outlet. If still does the same thing, please call UMAX Technical
Support.
Problem:
The following error message appeared: “Error: Not Enough Power to Function”
Solution:
The Macintosh OS generates this message if:
• A device draws too much power from the USB bus
• One or more devices plugged into a hub require more power than is available
• You attached a self-powered device (such as a printer or floppy drive) to your computer without
plugging it into an electrical outlet.
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