UMAX Technologies AstraNET e3420, Руководство пользователя

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Solution:
Check to ensure the power adapter is plugged in completely.
The scanning lamp is failing or has failed and needs to be changed.
Please contact your dealer or UMAX Technical Support.
Problem:
The scanner test failed.
Solution:
Make sure the interface cable is properly connected to the USB
connector port on your computer. Find/ refresh the scanner after
reinserting the USB cable. Try the other USB port on the computer.
Problem:
Your USB port worked with other USB devices, but does not work
with the scanner.
Solution:
It is important that you connect the scanner’s power and USB
cables in the following order:
Plug the power adapter cord into the scanner and into a wall
power outlet. The scanner’s power will then be ON.
Connect the USB cable to the USB port on the back of the
computer.
NOTE: If you unplug the scanner’s power to turn it off, you must
also disconnect the USB cable from the computer. To resume use of
the scanner, reconnect the power cord, and then the USB cable.
Problem:
Scanner is not present in the Device Manager. The scanner must be
present in the Device Manager. If there is no listing for the it, the
scanner will not work.
Solution:
Follow the steps below to determine if the scanner is present in the
Device Manager.