HP Scanjet N7710 Document Sheet-feed Scanner - Manual (Page 31)

Error Code Description
3. Make sure the paper meets the size and weight specifications,
as specified in the scanner User Guide.
4. Replace the paper into the document feeder.
If this error occurs when there is no paper feed error, the misfeed
(multipick) detection sensor is not working correctly. Contact HP
Support.
NOTE: You can disable misfeed (multipick) detection in the
TWAIN/ISIS Advanced Settings dialog box.
Error 23 Lamp Error Press the Power switch to the off position to turn the scanner off.
Wait 30 seconds, and then press the Power switch to the on position
to turn the scanner on. If the message is still displayed, contact
HP
Support .
Error 24 Pick Failure The document feeder cannot pick up the paper or the paper is
jammed. Follow these steps to resolve the error:
1. Remove the paper from the document feeder.
2. Sort through the stack to make sure the sheets are not stuck
together.
3. Make sure the paper meets the size and weight specifications,
as specified in the scanner User Guide.
4. Replace the stack of originals and try again.
Scanner initialization or hardware problems
• Scanner does not start
• Scanner has stopped working correctly
Scanner does not start
If you receive an error message similar to “Scanner initialization failed” or “Scanner not
found” when trying to use the scanner, follow these steps:
1. Close the scanning software, if it is open.
2. Disconnect the USB cable that connects the scanner to the computer.
3. Turn the scanner off.
4. Shut down the computer operating system, turn the computer off, wait 60 seconds,
and then turn the computer back on.
5. Turn the scanner on.
6. Reconnect the USB cable that connects the computer and the scanner, making sure
that the USB cable is connected to the back of the scanner correctly.
After 30 seconds, the characters on the scanner front panel should stop blinking. If
the characters are blinking, see the printed Setup and Support guide that came with
the scanner.
(continued)
Scanner initialization or hardware problems 29