Basic troubleshooting tips – HP ScanJet Enterprise Flow 5000 s4 User Manual
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Basic troubleshooting tips
Simple issues such as smudges on the scanning strips or loose cables can cause the scanner to produce fuzzy
scans, operate in an unexpected manner, or fail to operate. Always check the following items when
encountering scanning problems.
●
If scanning a document that will be analyzed using optical character recognition (OCR), make sure that
the original document is clear enough to be analyzed.
●
Make sure that the USB and power cables are firmly seated in their respective connectors on the back of
the scanner, and that the power cord is plugged into a working electrical outlet or surge protector.
●
Make sure that the scanner has not automatically turned off. If it has, press the Power button to turn
on the scanner.
●
Ensure that the scanner is receiving power.
—
Check that the Power LED on the control panel is on.
—
If the Power LED is not on, ensure that power is available to the power outlet or surge protector
that the power supply is plugged into.
—
If power is available to the power outlet or surge protector but the Power LED is still not on, the
power supply might be defective. Go to
for assistance.
●
If the scanning software displays a Scanner not found message when trying to use the scanner,
perform the following steps. After each step, relaunch the scan application to see if the scanner is
working. If the problem persists, proceed with the next step.
—
Verify that the USB cable is correctly connected.
—
If the scanner is connected to the computer through a USB hub or through a USB port on the front
of the computer, disconnect the scanner, and then reconnect it to a USB port on the back of the
computer.
—
Turn off the scanner, wait 30 seconds, and then turn on the scanner.
—
Restart the computer, and then try to launch the application again.
—
If problems continue, it is possible that the HP scanning software, firmware, or associated drivers
are out of date or have become corrupted.
to locate software,
firmware, and driver updates for the scanner.
●
If the scanner is connected to the computer through a USB hub or through a USB port on the front of the
computer, disconnect the scanner and then reconnect it to a USB port on the back of the computer.
●
Make sure that the Simplex Scan button or the Duplex Scan button is enabled (see “Product
accessibility” for more information).
●
Turn off the scanner, wait 30 seconds, and then turn on the scanner.
●
Make sure that the document feeder hatch is closed. Check the control-panel display for a Hatch Open
error message.
●
Restart the computer.
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Chapter 4 Solve problems
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