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HP Scanner Issue

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7 replies

by roger

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when i try to open my scanner program i get an error message, "your scanner is currently being accessed by another application. wait for the app to finish or close to allow HP to procede."

Then i tried opening it from photoshop 7 and i get a different message, "could not open the twain source make sure there is a valid source for you scanner in the twain directory found in the windows directory.

7 replies

by parvus1202

In simple terms, Twain is a language (or software protocol application programming) between programs and image devices, such as scanner. When you access an image using a program, it will communicate first with twain, like an interpreter, if twain isnot properly installed or damage, then you need to reinstall the latest HP twain driver.

by oz_media

Have seen the same problem quite frequently with a customers HP Scanner.
Just download the newest drivers, COMPLETELY uninstall the scanner. Reinstall software then reconnect scanner. (USB of course)

by sgt_shultz

yes, i have seen this also. look on hp for a fix. if your scanner has a button on it to scan manually, that is probably going to need to be disabled...see hp website for more info

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