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Computer keeps saying the scanner is not connected to the computer when it is in fact connected.

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  • Anonymous Jun 13, 2008

    cant connect all in one printer psc2110 to pc

  • janbill Jul 03, 2008

    Computer keeps telling me that "Cannot communicate with the device" and "Unable to communicate with the TWAIN device"
    I've followed all the steps that were suggested, Re-connect the cable, turn OFF the ON the device, re-start the computer, reload the software & drivers, Still getting the same messages.



1 Answer

Purchase new printer, works in most cases

Posted on Jun 03, 2008


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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017


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R33001 photosmart scanner

Any repair cost outside a warranty period is the owner's responsibility. Most printers and scanner, in fact just about everything to do with computers,are not built for repair but replacement. The cost associated with repairing computer devices and peripherals makes the task impractical. Get a free quote first but I would confidently say the answer would be "Not worth repairing. Buy a new one"

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I'm trying to scan a document into Word and keep getting a message on the scanner that says "Cannot connect to PC" -- I've unplugged and plugged back in the cord that connects the scanner to the...

Hey JD!
It probably means that the scanner isn't configured well in the computer. What you should do, while to printer is turned on and connected to the computer is to go to the device manger (right click on "my computer" or "computer", and then go to the tab named "device manager"). go to "universal series bus controllers" and press on the plus sign. you should then have a list, search for "USB composite device" in that list. when you find it, right click on it and then left click on "uninstall" or "remove", approve it (press yes or OK) and after it done, disconnect the usb cable that connects the computer to the printer and restart the computer. only after the computer is booted up completely, you should reconnect the cable. after you do that you should get a pop up that says that new hardware is being installed (or something like that). wait for it to finish and after it says "you new hardware is installed and ready" (should appear near you computer clock), try to scan, it should work fine now. Good luck!

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1 Answer

Won't scan, says usb cord not connected, but it is.

The fact that the printer wont recognize that your USB cable is connected when scanning can be caused by multiple factors.
The first is that the scanner is not installed, please check on your computer in Control Panel / Scanners and cameras to see if it is installed.
If it is, also make sure the software that came with your HP scanner is installed and running.
If this still does not work, try scanning from your computer, if that fails you need to reinstall the drivers and software.

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Try it again after you get Vista Service pack1 installed. My obsoleted HP4200C scanjet started to work again.

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This is what HP has to say about unable to scan

if this doesn't fix the problem, you have to uninstall adn reinstall the software.
Note: install the printer software on the computer first, then connect the printer to the computer.

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The scanner is not a bluetooth device. In fact, the scanner is powered through the USB cable, so it must be connected to the computer.

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