Question about Visioneer OneTouch 8100 Flatbed Scanner

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How do I open it up?

How can I open up the scanner? It seems like there are no screws and I've tried wedging with a flathead with no luck. I got the control panel off, but cannot get to the inside. I see screws in there, but cannot access them. Is there a way to remove the glass? I do not want to accidentally break it. I already move the switch on the bottom to the unlock position.



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  • djman64 Jul 29, 2008

    My scanner died on a power up. The power supply shows no output voltage when pluged is it bad or does it need a load to have an output. Also...I do not see any screws on the bottom to get this thing opened. What am I missing?


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Remove top cover then 4 screws from bottom.

Then start by prying along middle of rear edge. There is a catch in the middle so the top needs to be pried away from the bottom as the bottom is pushed in slightly.

The front has 2 double catches about an inch from the corners. First open the sides and rear, then push sideways (not up) to open them.

How do I open it up? - 31c8d85.jpg

Posted on Apr 22, 2008

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Hi Inday, Based on your post/description, there appears to be a mechanical problem with your scanner. It would seem that something is blocking the moving part of the scanner internally. Should you wish to give it a try, you have to open the scanner. Chances are you have to invert with the bottom up to access the screws. There might be 6-8 screws with plastic locking at the sides. Upon removal of the bottom plate, the interior of the scanner would be exposed. There should be practically nothing inside except for a movable bar that is held in place on one side by a guide rail and a plastic toothed belt on the other end. Near the topend would be an electronic board. Check that there is no blockage on the guide rail nor on the path of the roller or the toothed belt. Since this sound more of a mechanical problem (due to the "loud sound" that you heard), it should be visually detectable. Good luck and pls post back how things are or should you need further information. Kind regards from Batangas.

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