HP ScanJet Pro 2500 User Guide - Page 57

Connection issues, Check the USB connection, Buttons are not working properly

Page 57 highlights

Connection issues Check the USB connection Check the physical connection to the scanner. ● Use the cable that was included with the scanner. Another USB cable might not be compatible with the scanner. ● Ensure that the USB cable is securely connected between the scanner and the computer. The trident icon on the USB cable faces down when the cable is properly connected to the scanner. If the problem persists after verifying the above items, try the following: 1. Do one of the following tasks depending on how the scanner is connected to the computer: ● If the USB cable is connected to a USB hub or a docking station for a laptop, disconnect the USB cable from the USB hub or the docking station, and then connect the USB cable to a USB port on the back of the computer. ● If the USB cable is directly connected to the computer, plug it into a different USB port on the back of the computer. ● Remove all other USB devices from the computer except for the keyboard and the mouse. 2. Press the Power button to turn off the scanner, wait 30 seconds, and then turn on the scanner. 3. Restart the computer. 4. After the computer has restarted, try using the scanner. ● If the scanner works, reconnect any additional USB devices one at a time; try the scanner after connecting each additional device. Disconnect any USB devices that prevent the scanner from working. ● Windows: If the scanner does not work, uninstall and then reinstall the HP ScanJet drivers and tools: - HP ScanJet Pro 2500 - HP Scan Buttons are not working properly Scanner buttons are not working correctly After each step, press the Scan button. to see if it is working correctly. If the problem persists, proceed with the next step. 1. A cable might be loose. Ensure that the USB cable and the power supply are securely connected. 2. Turn off the scanner, wait 30 seconds, and then turn the scanner back on. 3. Restart the computer. 4. If the problem still persists, there may be a problem with the control panel. Contact HP Support at www.hp.com/support. ENWW Scanner operation problems 49

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Connection issues
Check the USB connection
Check the physical connection to the scanner.
Use the cable that was included with the scanner. Another USB cable might not be compatible with the
scanner.
Ensure that the USB cable is securely connected between the scanner and the computer. The trident icon
on the USB cable faces down when the cable is properly connected to the scanner.
If the problem persists after verifying the above items, try the following:
1.
Do one of the following tasks depending on how the scanner is connected to the computer:
If the USB cable is connected to a USB hub or a docking station for a laptop, disconnect the USB cable
from the USB hub or the docking station, and then connect the USB cable to a USB port on the back of
the computer.
If the USB cable is directly connected to the computer, plug it into a different USB port on the back of
the computer.
Remove all other USB devices from the computer except for the keyboard and the mouse.
2.
Press the Power button to turn off the scanner, wait 30 seconds, and then turn on the scanner.
3.
Restart the computer.
4.
After the computer has restarted, try using the scanner.
If the scanner works, reconnect any additional USB devices one at a time; try the scanner after
connecting each additional device. Disconnect any USB devices that prevent the scanner from
working.
Windows: If the scanner does not work, uninstall and then reinstall the HP ScanJet drivers and tools:
HP ScanJet Pro 2500
HP Scan
Buttons are not working properly
Scanner buttons are not working correctly
After each step, press the Scan button. to see if it is working correctly. If the problem persists, proceed with the
next step.
1.
A cable might be loose. Ensure that the USB cable and the power supply are securely connected.
2.
Turn off the scanner, wait 30 seconds, and then turn the scanner back on.
3.
Restart the computer.
4.
If the problem still persists, there may be a problem with the control panel. Contact HP Support at
www.hp.com/
support
.
ENWW
Scanner operation problems
49