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

1 Answer

How do I clean the INSIDE glass/platen?

The inside of the platen is dirty and needs cleaning. How do I open the scanner portion to clean the glass?

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  • 2 more comments 
  • 1printeruser Mar 25, 2012

    To open the scanner unit,
    1) Detach the ADF from the top of the scanner
    2) remove the four screws at the top rear of the scanner unit
    3) remove the left and right control panel covers. There are six snaps (3 top and 3 bottom) on each one. See the MP830 Service Manual (google it, I found a pdf for free) for photo illustrated directions. I started at the bottom, once that was free I pulled gently and the top snapped out relatively easily.
    4) remove the four screws holding the control panel unit and pull the control panel out part way.
    5) remove the two screws under the control panel unit.
    6) with a small flat screwdriver gently pry the top half of the scanner housing up, go around the edge and when you come to a tab try to push it in.
    Now you can clean the glass.
    BE VERY CAREFUL NOT TO DISTURB THE SCANNER UNIT ITSELF OR THE RIBBON CABLE - DON'T PUSH IT BACK OR FORTH ON THE RAIL OR IT WILL LOSE ALIGNMENT AND YOU WILL GET NOTHING BUT ERROR MESSAGES. I goofed mine up using Mergatroid's instructions below and am still looking for a solution.

  • kdogatyourse
    kdogatyourse Nov 18, 2012

    EXCELLENT! Worked great, THANKS!

  • kdogatyourse
    kdogatyourse Nov 18, 2012

    EXCELLENT! Worked awesome. THANKS!

  • Anonymous Mar 27, 2014

    Keep getting the error platen glass dirty please clean platen glass

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  • 286 Answers

You mean the inside of the scanner glass? (The platten is a part of the print unit),

You'll have to remove the sides and read cover. Unplug the scanner wires and remove the scanner assembly. Separate the document feeder from the scanner bed. Open the covers of the scanner bed (usually there are screws holding it together). Remove the glass and clean it. Reverse the process to reassemble.

Be careful. Canon multipasses are built a little like a Chinese puzzle box. There are little snaps everywhere as well as screws. Watch out you don't force anything and cause the snaps to break.

Posted on Nov 07, 2008

  • jorythompson Nov 27, 2010

    Its not so bad...
    1) open the scanner and remove the top (it just lifts out of the two square holes in the back.) Be careful not to stress the wire between the top and the body.
    2) remove the four screws in the back of the scanner (you can seen them if you are looking from the top.)
    3) carefully pry the back top of the scanner from the body - only the back needs to come lose! It will open enough to get a hand in to clean the bottom of the glass.

    This procedure should take no more than 5 minutes.

  • Mel Morabito
    Mel Morabito Jan 31, 2013

    Jory, Excellent procedure, didn't take long at all and now it's nice and clean Thanks!!

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That's usually caused when the platen glass, or ADF glass is dirty or damaged. Try cleaning the platen glass and it's cover, and most importantly the thin strip of glass in the ADF portion of the scanner.

A piece of debris or an ink smear will cause a black strip just like the one you describe.

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