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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use the next steps:
Step 1

Use your flathead screwdriver to pry off the plate on the left side of the elliptical trainer.
Step 2

Look for the magnet and reed switch. These elements will be roughly the same size, and the reed switch should have a series of wires connected to it.
Step 3

Loosen the screw in the reed switch using your screwdriver. Move the reed switch by hand until it sits 1/8 inch from the magnet, then re-tighten the screw.
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8_1_2012_1_02_58_pm.gifGod bless you

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I'm trying to change oil pan. I've removed all visible bolts but it is stuck. Anything I might have overlooked?

If all the bolts are really removed, then try whacking it with a rubber mallet.....not too hard.
Hope this helps
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How to open the case, it will turn on but it will not connect to the computer.

To open the external case and remove the internal hard drive, it is not too difficult, but you will run the risk of both damaging the case and voiding any manufacturer's warranty or extended 3rd-party coverage.
If you do not wish to risk damaging the case or voiding your warranty, do not proceed.
If you wish to continue, you will need the following before beginning:
A. External USB Hard Drive B. Small Flathead Screwdriver (Precision) C. Small Phillipshead Screwdriver (Precision) D. USB External Hard Drive Case (Replacement, if needed) E. SATA or IDE Cable (To attach to a computer, if needed)
1. Disconnect the drive from the computer and power source. 2. Using the flathead screwdriver, slowly wedge the tip in the overlapping fold between the center plastic piece and the outer cover. 3. Slowly wedge it in about 1/4 of an inch using an up and down rocking motion. This will slowly undo the plastic clips found within the case. 4. Move the slowly in one direction until you reach the very end, loosening the clips along the way. 5. Once complete in one direction, go back to the starting point and complete steps #1-4 again in the opposite direction. 6. Once completed, lift one side of the flap away from the center, while pulling the center piece out away from the flap cover. 7. Apply necessary pressure and it should come out as one piece. 8. Once removed, if there are any screws holding the hard drive in place, use the phillipshead screwdriver to remove the tiny screws, if needed. 9. Pull apart the hard drive from the center case and add to a desktop or replacement USB external hard drive case to retrieve your files.

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1 Answer

Hardware error

the problem is that the scan sledge gets stuck if arriving at end of screw. To fix:
Open scanner by unscrewing the four screws in the back - this will allow ypu to slide the sides slighly backwards and then remove. Then take the plastic front of (press the plastic tap on top with screwdriver). You will the see a small brass screw center bottom at the front. Loosen this a few turn and try again (you may have to try a few times)...

Good luck

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