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05-18-2012 02:09 PM
At the point where this fails, are you able to scan or do other tasks to the device? Or have you lost conectivity?
The process that controls this is called "ScanToPCActivationApp.exe".
You might try the following to see if you can recover it without a reboot. This is just a suggestion to root cause this, and not necessarily a workaround.
1) Kill off this process using Task manager.
2) In RegEdit, navigate to HKEY_CURRENT_USER\Software\Microsoft\Windows\Curre
3) Find the key that has HP Photosmart 7510, and copy the Data value found there to the clipboard. (Should be a path to the ScanToPCActivationApp and some command line parameters).
4) Paste this into a text file and save it for future reference.
5) Now, Open Start/Run, and paste this command line into there, and execute it. That should restart the process with the right parameters.
6) verify that it then allows you to scan to PC again?
05-18-2012 02:24 PM
I will try this the next time it does it. As a rule it seems to do it after the computer has been out of use for a while. That isn't always the case, but most often it is. I will let you know if it works. Thank you.
06-24-2012 11:06 PM
i am able to scan directly via EWS but only if the resolution selected is really low and file size selected is the smallest .... windows fax and scan and "scan to computer" still do not work.
06-25-2012 01:58 PM
Is your WIA service up and running correctly (other steps posted in this thread to verify this)?
Are you able to scan using the HP software?
What does the HP SDU utility tell you?
06-25-2012 02:10 PM
I ended up having to run a 30 foot usb cord in order to make this work. I am very disappointed. If I had wanted something to had to be corded I would have bought that type of item.
06-26-2012 11:06 PM
i finally got it to work. the problem was the firewall on the router (yep - not mcafee or windows firewalls on my laptop - but the one on the router). Disable it and its working fine now.
Incidentally, even the cable did not work for me. Probably because I had set up the printer as a wireless device so the system remembers that (?) I was able to scan from the EWS, but not from the laptop or the printer directly .... but after disabling the router firewall, its all working ... maybe you can try this and let me know if it works?
06-27-2012 08:36 AM
That's excellent news! Can you tell me what make/model of router you have? I'd like to see if there's anything we can do to enhance our diagnostic utilities to detect a router firewalls...
06-28-2012 02:22 PM
Talking to our network foks here, they are puzzled as to why a router firewall would actually have impact there. Typically the router firewall is only for the WAN (internet) connection, and does not apply to locally connected devices. You did mention 2 different routers. Can you describe your network topology a bit more in detail? We would like to reproduce this here in our test lab.