HP ScanJet Pro 3500 User Guide - Page 45

Test the scanner, button to turn off the scanner, disconnect the power supply from the scanner

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Test the scanner Follow this procedure to test the scanner: 1. Ensure that the power supply is securely connected between the scanner and a live electrical outlet or surge protector. Check that the green LED on the power supply case is on to verify that the power supply is functional. 2. If the power supply is connected to a surge protector, ensure that the surge protector is plugged into an outlet and turned on. 3. Press the Power button to turn off the scanner, disconnect the power supply from the scanner, and then turn off the computer to which the scanner is connected. Wait 30 seconds, reconnect the power supply to the scanner, press the Power button to turn on the scanner, and then turn on the computer. 4. Try to rescan. ENWW Test the scanner 37

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Test the scanner
Follow this procedure to test the scanner:
1.
Ensure that the power supply is securely connected between the scanner and a live electrical outlet or
surge protector. Check that the green LED on the power supply case is on to verify that the power supply is
functional.
2.
If the power supply is connected to a surge protector, ensure that the surge protector is plugged into an
outlet and turned on.
3.
Press the
Power
button to turn off the scanner, disconnect the power supply from the scanner, and then
turn off the computer to which the scanner is connected. Wait 30 seconds, reconnect the power supply to
the scanner, press the
Power
button to turn on the scanner, and then turn on the computer.
4.
Try to rescan.
ENWW
Test the scanner
37