Question about Canon Office Equipment & Supplies

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My MP830 will not feed the document through the ADF to copy. I have to lift the cover and push the rubber wheel on to the document, then it will feed it in. Otherwise the copier works fine for all other printing Thanks, John

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  • jkidless Sep 26, 2009

    Hi, I probably wasn't clear enough. Blank paper feeds properly. It is when I want to scan a document to copy it. The Automatic Feeder will not pull it through to scan and copy. I can lift the lid and place the doc. on the glass to scan and copy.


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Hi, John.

First, check all the areas of the ADF to see if anything is stuck. Lift up the ADF cover where the "Grasp" point is located. It has a snap on each side to keep it locked in place during normal operation. Check all the rollers for any kind of paper jam or look for any roller that looks out of place. Carefully rotate the rollers if you can, and see if they turn up more bits of paper. They may not rotate so don't force them. If they appears sticky or dirty, use just a damp wash cloth and wipe them off. Try and clean the full feed roller. Check the paper position sensor and verify that it can easily move and can detect paper in the ADF.

If still a problem, here are the instructions to clean the ADF.

Source: MP830 Service Manual.

Follow this procedure:
1. Connect the power cord, and power on the machine.
2 Remove any paper from the Auto Sheet Feeder and Cassette.
3 Select the paper source with [Feed Switch].
4 Press [Menu] repeatedly until <3.MAINTENANCE> appears.
5 Use [Right cursor ] or [Left cursor ] to select <ROLLER CLEANING>.
6 Press [OK].
The machine starts cleaning the roller.
7 When cleaning has finished, repeat steps 3 to 6 for a total of two times.
8 Load A4- or letter-size plain paper in the Auto Sheet Feeder or Cassette and repeat steps 3 to 5 an additional three times.

Once you get this done, try to copy 2-3 sheets of blank paper.

If still a problem, take the ADF apart very carefully. There is a small hairpin-like wire that may be disconnected from one of the gears. Reconnect the wire.

Hope this helps.

Posted on Sep 27, 2009

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Clean The Paper Feed Rollers Using The Unit's Operation Panel
If the paper feed roller is dirty, paper is not fed properly because the paper feed roller slips. Cleaning the paper feed roller could resolve the paper feeding problem. Please follow the instructions below to clean the Paper Feed Rollers directly from the unit.

It sounds like there may be a mechanical issue with the back loading tray. I suspect a missing piece possibly. Unfortunately, I think you'll need to take the printer to a certified Canon tech to repair/replace parts.

Thank You for contacting

Posted on Sep 26, 2009

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2 Answers

What is an adf cover

ADF cover refers to the Automatic Document Feeder cover. The ADF feeds your originals to the copy glass. The cover is opened to remove a jammed original. Just make sure the cover is closed.

Feb 20, 2015 | Office Equipment & Supplies

2 Answers

I have a message on screen sayng " ADF Jam" there is no paper jamming the system. I cannot make this message go away, and so i cnnot use any other function of the printer. How might I clear...

Hi travlynn2,

  1. The ADF
    unit is the grey paper tray located on the top of the scanner unit.
    Check the following points if it does not feed paper, or you receive an "ADF jam" error message:

  2. Check the position of the ADF document guide:

    1. Lift up the ADF unit. Locate the document guide on the underside, as shown here:

    2. The document guide should be tucked in behind the grey plastic casing, but a paper jam can push it out of position. Figure 8 below shows the correct (1) and incorrect (2) positions:

    3. If your document guide looks like example (2)
      on the right, lift it out on the right-hand side. Tuck it in behind the
      grey section, so that it matches the example on the left (1).

    1. Close the scanner unit.

    2. If the printer is displaying "ADF Jam, press start to continue", press the B/W Start button to clear the error:

    3. Test the printer by scanning or faxing via the ADF unit.

  3. Check the ADF edge guides:

    1. The adjustable paper tray edge guides must be set to the correct paper size for the paper you are loading. Otherwise, the paper may skew, misfeed and/or jam.

    2. Slide the edge guides to enclose the loaded
      paper (in the direction of the yellow arrows below), without causing it
      to bunch or crease. The paper should be aligned with the relevant paper size marker:

      Figure 9. The ADF edge guides.

  4. Check the ADF unit feed rollers:

    1. Open the cover of the ADF by pulling up the grey lip, as shown below:

    2. Check thoroughly for fragments of paper and foreign objects. Take care not to tear any jammed paper when you remove it.

    3. Use the green gear (circled in yellow below) to turn the paper feed rollers and feed through jammed paper:

    4. Paper dust or foreign material on the rollers may cause paper to misfeed. Clean these parts with a damp, well-wrung cloth:

      1. The upper paper pickup rollers (circled in red, above top left). You can turn these by hand.

      2. The lower paper pickup rollers. These will rotate as you turn the green gear (circled in yellow above). See the inset for a close-up of the lower rollers.

    5. When complete, close all the covers.

    6. If the printer is displaying "ADF Jam, press start to continue", press the B/W Start button to clear the error:

    7. Test the printer by scanning or faxing via the ADF unit.

  5. Check that the ADF unit sensors are not obstructed.

    1. Open the cover of the ADF unit.

    2. Look at Figure 12 below. Check the position of the black plastic parts (the actuators) circled in red.

    3. If the black plastic actuators do not stick out from the ADF cover, they may have been pushed out of position by a paper misfeed and be obscuring the ADF sensors. Tap the back of the ADF unit firmly to release the actuators.

    4. When complete, close all the covers. Check and test the printer as explained in Step
Hope this helps.

Thank you for using FixYa.

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1 Answer

I have lines in printed material

If a print result of faxing, copying or scanning has uneven print density, or when copies and scans you make have vertical black lines, cleaning the platen glass may solve the problem.
  1. Turn off the power and disconnect the power cord.

  2. Prepare two clean, soft, and lint-free cloths.

    Do not use tissue paper or paper towels as they may damage the machine.

  3. Open the document cover.

  4. Wipe the platen glass (D), the inner side of the document cover (white area) (C), the glass of the ADF (A), and the inner side of the ADF (white area) (B) with a clean, soft, lint-free cloth moistened with water


    (A) ADF Glass
    (B) ADF White Reference Area
    (C) Document Cover White Reference Area
    (D) Platen Glass

    Note: If you have trouble wiping dirt, use diluted mild detergent (for dish washing).
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    * The d
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  5. Carefully wipe away moisture from each part with another soft, dry lint-free cloth. Do not leave any residue, especially on the platen glass.

  6. Close the document cover.

  7. Reconnect the power cord and power the machine back on.

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  • Lower the ADF rollers.
  • Press the two tabs on the document feed-guide assembly to secure the assembly into the proper position.
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    Welp, I pulled out my screwdriver and fiddled around just a bit and got documents to feed again (yay!). I do not believe this is a permanent fix, though, but it was enough to get my document scanned in without me having to feed each sheet manually.

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    3. Next, lift the two purple release levers located on each side of the
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    4. Remove the ribbon cartridge from the unit.

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    2. Adjust the paper guides on the sides of the ADF to fit the width of
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    3. Press the COPY key.

    If the problem continues and your machine is within warranty, you can
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