If you found this page, you probably have a problem and you need a user manual for the device HP (Hewlett-Packard) SCANJET 2400. Be sure to check that it is the user manual to exactly the device that you are looking for. In our database HP (Hewlett-Packard) SCANJET 2400 it belongs to the category Scanner. A user manualHP (Hewlett-Packard) SCANJET 2400 is taken from the manufacturer, a HP (Hewlett-Packard) company - it is an official document, so if you have any doubts as to its contents, please contact the manufacturer of the device HP (Hewlett-Packard) SCANJET 2400 directly. You can view the user manualHP (Hewlett-Packard) SCANJET 2400 directly online or save and store it on your computer.

how to use the scanner  

check the cables  

Cable type Action  

•

•

•

Ensure that the power cable is securely connected between the  

scanner and a live electrical outlet or surge protector.  

Power  

cable  

If the power cable is connected to a surge protector, ensure that  

the surge protector is plugged into an outlet and turned on.  

Disconnect the power cable from the scanner and turn off the  

computer. After 30 seconds, reconnect the power cable to the  

scanner and then turn on the computer, in that order.  

_{USB cable} • ^{Make sure you use the USB 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.  

For additional USB troubleshooting information, see www.hp.com/  

support, select your country/region, and then use the search tool  

to find USB troubleshooting topics.  

Note: On a Macintosh computer, use the Apple System Profiler to ensure  

that the scanner is connected to the computer correctly.  

scanner initialization problems  

reset the scanner  

If you receive an error message similar to “Scanner initialization failed” or  

“Scanner not found” when trying to use the scanner:  

1

Close the error message dialog box and close the application that was  

open when you received the error message.  

2

Disconnect the USB cable from the scanner and then reconnect it. (Try to  

do a scan to see if the scanner is working now. If not, proceed with the  

next step.)  

3

4

5

6

7

8

Shut down your computer and turn it off.  

Unplug the scanner from the power source.  

Disconnect the USB cable from the scanner and the computer.  

Reconnect the power cable to an electrical outlet or surge protector.  

Check the USB cable for any visible, external damage.  

Firmly reconnect the USB cable directly to the scanner. Remove any USB  

hub, if present.  

9

Firmly reconnect the USB cable to the computer using another USB port, if  

possible. The cable must be inserted completely into the computer’s USB  

port.  

Note: It is important that the scanner and computer be turned off for at least  

60 seconds before being restarted.  

10 Restart the computer.  

user’s manual  

10  

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