Question about Visioneer OneTouch 5800 Flatbed Scanner

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I keep getting this message to unlock my scanner. how?

Please instruct me. Thankyou

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  • chasitydesir Jul 31, 2008

    WHAT STEPS DO I TAKE TO UNLOCK MY SCANNER
    WHEN THERE IS NO ON -OFF SWITCHES??


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I have the same problem with a 5800 and 5820 model occasionally.
No switch. But I have found if I jiggle the cords on the 5820 model or plug and unplug it will eventually work.
With the 5800 model, I have had to lift the back end and gently tap the bottom while it is beginning to scan, it "unlocks" and continues.
Hope this works for you.

Posted on May 09, 2009

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1 Answer

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Toggle the lock switch on the scanner leaving the switch in the unlocked (open padlock) position.
Ensure you are using the correct power supply for your scanner. If you are using a power supply that has the incorrect DC output, you will get a scanner locked error message. This flatbed scanners has I believe 100-120V AC input and 12V DC output.


Plug the power directly to the wall, not a UPS battery back-up, power strip or surge protector. Power fluctuations from a UPS battery back-up, power strip or surge protector may be causing this error. If all this fails try reinstalling the scanner driver

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Most scanners shipped have a lock on them to prevent the top from opening up and damaging the glass. This is a screw type mabey other but a penny fits in mine. This may not be the case for you but look in your manual to find the unlock device.
This will also in some scanners prevent the stepper motor from moving in transit . The stepper motor is the device thats makes the bar slide up and down to scan the page.
Hope this helped some.
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