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Hi i've got a plustek 7200 scanner and its causing a usb power overload on my p.c. can i repair it ?

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  • pop camplin
    pop camplin Sep 03, 2008

    thanks for your help guys but it turned out to be a crack on the motherboard of the scanner shorting out the usb port. all fixed now.

  • John Carey May 11, 2010

    where are you plugging it in? Front or back?

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Hi beergut707,

I see according to the 7200's specification sheet at the Plustek website
http://www.plustek.com/product/7200_feature.asp
that the 7200 is packaged with a 15V, 1.0A output power adapter.

You must be sure to connect this to the device for it to receive its required amount of power to operate its moving parts, which the USB power output of 5V, 100mA will not provide.

If the power adapter is connected to the device and you still get the same message, you'll have to test the power adapter to ensure it is still giving the correct output.
This can be done with a multimeter. If you're not sure how to use a multimeter to perform the test, I suggest you take the power adapter to a PC repair shop or electrical repair shop where a technician can test it for you.

Hope this info helps you to solve your 7200's power problem.
Kind regards

Posted on Feb 16, 2008

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USB ports operate in pairs from a usb host controller. Normally these pairs of ports are side by side (ie parallel to one another along their longest side) each pair of ports can onlhy be supplied with a limited amount of current.

You can try either plugging the scanner into a port that has nothing in its adjacent pair OR

You can buy a powered USB hub that will be able to sustain the current required for your scanner

Posted on Feb 16, 2008

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