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MX 922: How Do I replace printhead

daxinn
Apprentice

I exchanged my Canon MX 922 printer under the warranty exchange program. The instructions are to remove the print head and ink tanks, to be installed in the new unit. I removed the ink tanks, but cannot see how to remove the print head, and the instructions are not making sense to me. They refer to a "lock lever" which I cannot identify.

 

I must be missing something obvious!

13 REPLIES 13

reimerosa
Contributor

how do I view the answers to this question?

figured it out

rposta
Apprentice

I cna not find the lever either to releease the print head on my canon printer mx922. I removed the ink and theres no lever to lift to remove print head

mgail
Apprentice

Removing, Reseating or Replacing the Print Head

 

On very rare occasions, like a print head error condition or poor print quality issues, it may be necessary to reseat or remove the print head from one printer to install it into another.

Follow these steps to remove the print head. Later in this document you'll be given instructions to reinstall or install the print head (below).

 

Removing the Print Head:

Make sure that the power is turned on, then, holding sides of the paper output tray, gently open it.


Open the document cover.

 Important:

* When opening or closing the document cover, do not touch the buttons and LCD on the operation panel. Doing so may result in an unexpected operation.

 

      

 

Open the ink cover.

The print head holder moves to the replacement position.

 

 

 Important:
* Do not hold the print head holder to stop or move it forcibly. Do not touch the print head holder until it stops completely.

 

* Do not touch the metallic parts or other parts inside the machine.

If the ink cover is left open for more than 10 minutes, the print head holder moves to the right. In this case, close and reopen the ink cover.

 

Push the tab (A) on an ink tank and lift it out of the printer.

 

 

Remove the rest of the ink tanks from the holder.

 

*After all the ink tanks have been removed from the holder, press and hold the Stop button for two seconds (or longer) until the print head carriage moves to the replacement position and then release the button.

The carriage will move to the right and then return almost centered with the front opening.

 

Open the inner cover (B) and push it down all the way to the bottom.

 

 

Pull the Carriage Tray towards the front of the machine. You may find resistance when the bottom of the Head Set Lever hits the back of the front edge. The Head Set Lever will move forward as it slides above that front edge.

 

 

 

Use your finger tips to grab the top of the center tab and pull out the print head. You will notice the front of the print head will drop face down as you pull it out of the machine.

 

 

Now go to section Installing (or Reseating) the Print Head.

 

 

 

 

Installing (or Reseating) the Print Head:

If you are installing a replacement print head, remove it from its packaging.

 

Hold the center tab of the replacement print head, with the front of the print head facing down (so you can see the back of the print head (green circuit board)), and ensure the two tabs on the front, bottom corners of the print head are inserted into the rails on either side of the print head holder.

 

 

Now slide the replacement print head into the machine.

As the print head slides into the holder, it will start to sit in an upright position.

 

 

Once the print head is seated in the print head holder, push the Head Set Lever towards the back of the machine.

 

 

Close the inner cover.

 

Reinsert the ink tanks into their proper slots.

 

 

 

Insert the front end of the ink tank into the print head at a slant. Make sure that the position of the ink tank matches the label.

 

 Note:

To install a black pigment (PGBK) ink tank, insert it in the middle of the correct position with equal spaces on the left and right sides.

 

 

Press on the top of the ink tank until the ink tank snaps firmly into place.

Make sure that the ink lamp lights up red.

 

 

 

Close the ink cover and then the document cover.

 

If the print head carriage returns to home position before the print head is installed, close the inner cover and operation panel and follow the instructions on the display. Then repeat step 3 to get the print head holder into the replacement position.

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