I received check ink u162 blk message. I changed the black cartridge twice, but the message will not clear. Help?

Watch this Clear Canon Check Ink E13 E16 U162 U163 1686 and 1688 Error Messages Low...

Are you using an aftermarket cartridge or one produced by Canon? I've had both success and failure with aftermarket cartridges. They are cheaper but sometimes that comes with a price: high failure rate. There might by plenty of ink in the cartridge but the chip in the front that the printer reads could have failed even though it's new. Try another black cartridge as a test. Here is a link to a site where this is explained in more detail:

http://www.refreshcartridges.co.uk/igloo/how-to-clear-the-canon-check-ink-1682-and-1688-error-messages/

There isn't a reset button, just agree with the printer and push the "OK" or Cancel button, and keep on printing. Long story made short, most ink cartridges come with pre-stamped ink levels or expiration date, that you or I can't change. That the price you pay for superior tech and why ink cost so much. I hope that helps.

To clear error 5100 clean the surface of the copper contact of the ink cartridges with a moistened cloth and let it air dry. Fix the cartridges to the holder and return properly the cover of the printer.

These 2 reset procedures will help you clear the errors displaying in the control panel of the printer and let you print again.

To clear U053, U051 and U052
1. Turn off your printer
2. Press and hold the STOP/RESET button
3. Press and hold Power ON button
4. While holding the Power ON button, release the STOP/RESET button
5. While holding still the Power ON button, press twice the STOP/RESET button
6. Release the Power ON button
7. Wait until it display an "idle" message. It will take about a minute.
8. When "idle" appear, open the top cover to expose the cartridges.
9. Lift up the cover for cartridge holder and take out both the black and color cartridges
10. Return the cover of cartridge holder and turn off the printer
11. Return the top cover and turn on the printer again
12. After the printer initialize, return the cartridges.

To clear error U162 or U163
1. Turn off your printer an turn it on again
2. After the printer initialize try to copy or print. The error will appear.
3. When the error is displayed on the display panel of the printer, Press and Hold the STOP/RESET button and wait until it self restart.
4. Release the STOP/RESET button the the printer is restarting.
5. Wait for a few seconds and the pending print jobs will commence.

One or both print cartridges are defective.Look under the "check ink" what message come.If it's BLK change black cartridge, if it's CLR change the color cartridge.If BLK and CLR change both cartridges.

Try to press and hold the resume button for 5 seconds.If this not help you need to replace the ink cartridges.

Typically you do not have to change the color cartridge when you replace the black cartridge.
As far as the spotty printing, it sounds like you have some clogged nozzles caused by the lower quality of ink in refilled or aftermarket cartridges. There cartridge inks may not be up to specification. This is especially true for the ultra fine printers.
To clear the problem you need to insert an OEM cartridge, run the deep nozzle cleaning utiliity at least twice followed by the alignment utility. This should clear up the problem with the spotty and washed out printout.
Let me know if this solves your problem otherwise we can explore other solutiions. For the record, which printer do you have?
Please rate this solution. Thanks.

This happened to me twice, You can possibly have no ink in your cyan,magenta and yellow , you would then have to replace them to work the set. I had to do that and it worked =]

The small black ink cartridge is the photo black cartridge. If you're not printing any photos that's why it is still full.

When you hear the fax ringing, press the start button. It sounds like you are not set to AUTO RECEIVE