Question about Canon PIXMA MX340 Wireless Office All-in-One InkJet Printer
I had the exact same problem. The Alarm light was always on and the screen said "Document in ADF. When I pressed "OK" it would read "Eject the document". Even after I placed paper in the ADF and the paper would feed the document through it, the error and the Alarm light was still there. I found the solution, Lift the cover to expose the flat bed scanner glass. Under the cover, there is a long white bar with two white tabs perpendicular to the white bar. One of the tabs was retracted. Pull on the tab until it is fully extended. The alarm turns off and there is no longer the error. Simple solution to a damn annoying issue.
Posted on Oct 29, 2010
Not sure if this is the same problem or not, but my printer was saying the same thing. I was trying to send a fax and it would always give an alarm and display that message on the second page. I realized that the mx340 has two "start" buttons. One for black copies/faxes and one for color copies/faxes. Make sure you dial your number and push the "black start button" since most people do not have color fax machines.
hope this helps.
Posted on Sep 20, 2010
Both of my white tabs seem to be fully extended. Still no fix. Help! Is there something I should do with the bar?
Posted on Jan 03, 2015
I need help i just baberly got this printer and is saying to close feeder cover and i do is a error
Posted on Dec 22, 2012
I have been trying to fix this printer off and on for a year and this solution solved the problem. Thanks sooo much!!!!
Posted on Jun 02, 2012
Thank you so much under my lid I had a peace of tape stuck on the bar. Thank you so much!:) :)
Posted on Sep 18, 2011
This fixed the Issue, thanks for posting ... Dhillon
Even the solution posted on cannon official site is lame, they have no idea about this,.
Posted on Sep 17, 2011
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Posted on Jan 02, 2017
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