HP ScanJet Pro 2000 s1 - Manual (Page 55)

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 Basic troubleshooting tips 47