Question about Lexmark X3470 All-In-One InkJet Printer

4 Answers

Cover open it keeps saying cover open when its not and i keep finding solutions that are not helpful but maybe with more description and some pixs to help me i will be so happy if you can help please comment for my email and i will be happy give it to you. THANKS

Posted by chonga on

  • 2 more comments 
  • Rovita Dec 03, 2007

    Hi, Approximately 2 weeks ago I replaced the ink cartridge and since then it says "Cover Open" and it is not. It does not shut off unless I unplug it so what do I do?


    Susie McIntosh

  • Rovita Dec 03, 2007

    Just tried to take scanner part off but can not. What to do?

  • manny216 Dec 18, 2007

    Hey I was wondering if anyone can help me. My printer says "cover open" when it's not. Nothing works not even the power button the only way to shut it off is by unplugging it. Can someone please help me ?

  • tmorris Dec 24, 2007

    changed ink cartrige and now shows cover open & won't cut off unless i unplug it. nothing is open on it. what do i do?



4 Answers


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With the help of google here is your answer

Your arm of cover sensor has fallen off'

It is the switch fallen to bits

This switch
cover open - dc8e21d.jpg
THis bit falls off

How yours looks
How it should be, or can be if you put it together again.
It might be possible to snap the part back on without partial disassembly, or simply shove something in there to hold the sensor in the 'closed' possition (If you lose a finger or two using this method, don't blame me)

The lid sensor is a tiny microswitch that is on the main circuit board...there is a white nylon lever arm snapped onto the switch.

if the lever arm falls off (like mine did) the 'cover open' error will last forever.

This may (or may not) be possible do fix without some disassembly. This lever arm should stick up through a rectangular hole that's approximately 1/2" to the right of the print head (assuming print head is parked in the middle) and behind it.

Most likely if your lever arm has fallen off, shaking the printer gently upside down with the cover open will allow it to fall out.

Now if you are a dentist or a surgeon, snapping the lever bit back on is no problem without taking anything apart.

I am neither. For the brave (of foolish) ones who like to do surgery, here goes. Here's how I took mine apart....if yours breaks into a million bits, don't blame me.

0) unplug the power and take the scanner cover off.

1) release the 'kickstand' from the scanner by prying and squeezing it with pliers until the two prongs pop out (or crack and break)

2) detach the scanner hinges by prying/squeezing with pliers until they pop off (or crack and break). (CAUTION: read step 3 below first...don't just yank the scanner off without reading step 3)

3) Carefully unplug ribbon cable and other connector to scanner and set scanner aside.

4) remove screws at front of beige plastic part....pry at the back carefully and this will pop off....sending the screws flying if you left them loose in their little wells. Don't worry, there are only two of them that really do anything anyway.

5) Look towards the rear of the printer and you will see the circuit board and the 'hole' where you can see the sensor, and possibly your white nylon lever arm lying pathetically down in the bowels of the printer.

6) Retrieve and Carefully snap the nylon lever arm back on, and think nasty thoughts about the brainiac who designed that part.

reverse the above steps. Put at least most of the screws back in, or the front panel may fall off at a later date.

Take care to GENTLY plug the ribbon cable and the other scanner connector back in, making sure it's seated all the way. Try not to bend or kink the end of it, or it will be toast.

Good luck, and happy lexmarking.....

Posted on Dec 28, 2007



Hey whats the # to call the office

Posted on Dec 22, 2007



Call your lexmark office and discuss the trouble ..
I was sent a repaired one at no cost for frieght either way

Posted on Dec 20, 2007


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  • 1 Answer

X3470 printer,installed new all-in one inkjet and now all apears is
cover open and power will not shut unless i inplug printer,all started with new ink cartridge heed help

Posted on Dec 16, 2007

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