An Unexpected Internal Error Has Occurred With HP Scanjet Scanners

'An Unexpected Internal Error Has Occurred' Error With HP Scanjet Scanners and Other HP products.An Error Occurred Communicating with the Scanning Device could also display when trying to use the HP Products or HP softwares.


An error occurred communicating with the scanning device. Please ensure that the scanning device is connected properly and try again displays on the computer screen.



'An Unexpected Internal Error Has Occurred' When scanning from HP director software or when clicking on the scan picture or the scan document button on the HP director or when you press the scan buttons on the scanner. there are several reasons this error could occur, check the below possible solutions in order to resolve the issue.

1) Make sure there is a proper connectivity between the scanner and the computer, disconnect and reconnect all the cables of the scanner, make sure your scanner is powered on.

Try scanning from the scanners and cameras wizard in control panel, if you are able to scan then there is no issue with the scanner or with the connectivity between your computer.there could be an issue with your installed HP Software that is causing the problem, follow the below solutions to resolve the issue further.if you are unable to scan from the scanners and cameras wizard then you need to check in the device manager.follow the below steps to open the device manager from the run command.

Click on Start --> Run . In Run please type: devmgmt.msc - This will open Device manager. Please check whether you find any entries for the Scanner under Imaging devices in the Device Manager window and if the scanner is listed there without any Yellow '?' or '!' marks. If it is then the issue could be with the drivers. You may need to reinstall them.

The following is a list of Scanjet and All-in-One devices that have versions of the HP Photo and Imaging software less than 2.1 and can cause the " Unexpected Internal Error " or " An Unsupported operation was attempted " error when using the scanner:

• HP Scanjet 2300 scanner series
• HP Scanjet 2400 scanner series
• HP Scanjet 3970 scanner series
  
• HP Scanjet 3500 scanner series
• HP Scanjet 3570 scanner series
• HP Scanjet 4370 scanner series
• HP Scanjet 4500 scanner series
• HP Scanjet 4570 scanner series
• HP Scanjet 5500 scanner series
• HP Scanjet 5550 scanner series
• HP Scanjet 5590 scanner series
  
• HP Scanjet 7800 Document Scanner
• HP Scanjet 8270 Document Flatbed Scanner
• HP Scanjet 8300 Digital Flatbed Scanner Series
• HP Scanjet 8300 Professional Image Scanner
• HP Scanjet 8350 Document Flatbed Scanner
• HP Scanjet 8390 Document Flatbed Scanner
• HP PSC 2110
• HP PSC 2210
• HP PSC 2175
• HP PSC 1210
• HP Officejet 4110
• HP Officejet 6110

Only the Scanjet 4570C, 5500C, and 5550C currently are known to experience an " Unexpected Internal Error " because of issues with USB 2.0. If the HP Scanjet that is experiencing the " Unexpected Internal Error " and is not a 4570C, 5500C, 5550C skip to this solution posted on Official HP Website.

Solution For "An Unexpected Internal Error Has Occurred" For HP Scanjet Scanner and All-In-One Products.

1) Try installing the Patch, Click here to download COL10862.exe the patch. Make sure you close all the HP softwares before installing the patch.This patch will resolve "Unexpected Internal Errors" and some "Communications Failure" errors that may occur when there are mutiple versions of HP Image Zone and/or Photo and Imaging software on your system.

2) Execute (double-click) the hpqdstcp.exe file

1. Right-click Start , and then click Explore . The Windows Explorer window opens.

2. Click C: , Program files , HP , Digital imaging , and then bin .
Or, click C: , Program files , Hewlett-Packard , Digital imaging , and then bin .

3. Locate and then double-click hpqdstcp.exe . You will not see the file launch or install.

4. Retry the scan from HP Directoror HP software.

3) Check whether you have any multiple scanner devices listed in Select Device Tab in HP Director, like HP Scanjet Scanner 3970#1, 3970#2..Still No go?

4) Locate the HP Photo and Imaging Director or HP Director Icon on the desktop or from the Start -> Programs -> HP Menu under Start Button. Follow the steps below.

i) Right click on HP Director Icon and select Properties.
ii) In Properties window click on 'Compatibility' Tab.'
iii) In 'Compatibility' tab uncheck all option are checked/ticked and click on Apply and "OK" and then try to scan from HP Director.Still No go?

5) You need to perform the clean uninstallation of the HP software, then install the older versions first and then then higher versions.make sure your back up your pictures and other scanned stuff to some other location before uninstalling.

STEP I:- Disconnect the scanner from the computer.

STEP II:- Completely uninstall the software from Add/Remove Programs

1. Click Start==>Control Panel.
2. Double-click Add/Remove Programs.
3. Uninstall HP photo and Imaging software


STEP III:- Delete the Digital Imaging folder from C:\Programs Files\HP or Hewlett-Packard

You need to go to C:\Programs Files\HP or Hewlett-Packard. Then check for the folder with name "Digital Imaging". Once you find this folder, delete it.

NOTE:- If you experience any issues with deleting "Digital Imaging" folder, the you can start computer in safe mode and can delete it. Here are the steps to start computer in safe mode:

(a). Restart the computer.
(b). While the computer restarts, press and hold down the F8 key until the Windows XP Startup menu appears.
(c). Choose Safe mode from the Startup menu and press Enter.


STEP IV :- Delete the Entry from registry.

NOTE: Anytime you go into the Registry, it is very important that you first backup the Registry, so that you can recover any settings within the registry that you may change by mistake.

To backup the Registry, follow the steps given below:

1. Click on "start==>Run.
2. Type regedit and click on OK.
The Registry Editor Window opens up.
3. From the File menu, Select Export.
4. Give the file name as Regbackup and save it in Desktop.

If the system did not work properly after you modify the registry, you can restore the registry by double clicking on the file Regbackup. This file will restore the registry to previous settings.

After backing up the registry, follow the steps given below:

1. Click Start.
2. Go to Run.
3. Type regedit and click on Ok.

Registry editor will open.

4. Click the plus sign (+) next to HKEY_LOCAL_MACHINE.
5. Click the plus sign (+) next to SOFTWARE.
6. Locate the Hewlett packard folder and HP. Right click and then delete it.

Restart the Computer and reinstall the scanner software without connecting the scanner, I hope this should resolve the communication error.Checkout the HP website for other possible solutions or contact HP.

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