Question about Canon PIXMA MP830 All-In-One InkJet Printer

1 Answer

Scanner Lock Switch

I have the error message and an alarm light indicating that I need to unlock my scanner switch. I've done that probably 25 times to no avail. I've turned the machine upside down and shaken it, I've unplugged it, I've disconnected it from the computer, I've done everything I can think of to make it work and I get nothing from it. No printing, no scanning, nothing. What can I do to make it re-set or at least function like it's supposed to! It's not very old either.

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  • John Pacek Jul 18, 2008

    I have this very same problem. I am told to release the scanner lock swith and turn the power back on. Where is this switch? Help....

  • celticwhim Dec 03, 2008

    My MP830 has the same problem, however, my scanner lock switch IS switched to the unlock position and it is stuck there. I can't do anything with the printer and I can reset it. Not sure what to do as it is not under warranty anymore and Canon wants me to buy a refurbished machine at a discount? I don't think so, my machine is not that old and hardly EVER used. I am really irritated at Canon and their customer service.

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  • 158 Answers

Lift the document cover, and you should see a small gray slide type switch on the top of the scanner, near the front left corner of the glass. Slide the switch to the unlock position, close the document cover, turn off the machine. Wait five seconds, and turn machine back on. This should restore the scanner function.

Posted on Jul 18, 2008

  • abeseltzer Oct 01, 2010

    It worked for me, i have a MP990. Thanks for the help.

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1 Answer

Hello, I have a Canon MP810 printer and the screen shows there is an error with that number: 5020. It says that I have to unlock the locker of the scanner and then restart. I have done it many times...


I have just read it on the other forum..try this one
Error Code 5020:
Scanner lock switch locked. [5020] Release the scanner lock switch and turn the power
off and back on.
Turn the machine off, unlock the scanner lock
switch, then turn the machine on again.

Hope it helps.

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The error message- Release the scanner lock- came on with the scanner UNLOCKED in the first place. I've troubleshooted and (flipped switch) unlocked scanner- several times- and turned MP830 off and...


I am not 100% sure on this but I do know that most printers and scanners when straight out of the box sometimes have tape or some foam that they use to keep the bits that move around from moving. I would check your manual from end to end and if you dont find anything in it then I would contact tech support for Canon as it may be that this is a bug of some sort that they may already have a fix for.

Jun 19, 2011 | Canon PIXMA MP830 All-In-One InkJet...

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Error light on and saying scanner error


Hi!

Open the Lid for scanner, check for a switch on the side for Scanner Lock. Try to switch it to unlock position and retry booting up Printer. That should take care of scanner error message.

Hope this helps. Cheers!

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I am having a problem with my printer. When I turn it on the copy light is on and the feed switch light and the alarm light and it says in the screen release the scanner lock switch and turn the power off...


Issue: ERROR LCD: Release the scanner lock switch and turn the power off and back on.
--------------------------------------------------------------------------------
Solution: Unlock the scanner lock switch

The scanner must be unlocked before turning the unit on.

Turn off the power.

Lift the document cover.

The scanner lock switch is on the left hand side of the underside of the document cover.

Slide the scanner lock switch to the release mark (an open padlock icon).

Lock the switch before transporting.

Close the document cover.

Turn the machine on.

If machine still is not working repeat the power off / on cycle waiting 5 seconds in between.

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1 Answer

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  1. Press the power switch to the OFF (O) position. The power switch is located on the lower, left side of the machine.

    m20-pwr-sw.jpg

  2. Pull the scan lock switch toward the front of the machine to unlock the Scanner.

    pro412-scan-unlock-sw1.jpg

    pro412-scan-unlock-sw2.jpg

    NOTE: The scan lock switch is located on the bottom of the Scanner Module. Make sure the scan lock is completely free. It sometimes hangs at the halfway point.

  3. Press the power switch to the ON (|) position. A 'Warming Up, Please Wait' message will be displayed on the Display Screen. Warm up time is less than 40 seconds from power ON and less than 25 seconds from the Power Saver mode.

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Fosg2000, Rate me please

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Error: Release the scanner lock switch:


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