Question about Canon PIXMA MX310 All-In-One Printer
Pixama MX 700 will not print black. Indicator reads ink and I just put a new one in. It does print colors but not black print or pictures.
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Printers not printing a specific color indicates a problem with the it's printhead. To fix this, you have to clean it.
Deep Printhead Cleaning.
If this does not fix it, clean the print head manually.
Open the top cover and when the head comes to the center pull out the power cord and remove the ink carts and cap them off. Unlock the carriage lever and remove the head. Take it to the laundry room sink and set the water flow to as hot as you can tolerate on your hands. Focus the stream of water onto the input filter screens on the top and when most of the ink is flushed out, turn the head over and focus the stream onto the nozzles. After a few minutes turn the head over away from the stream and look at the filter screens. If they show any color or black, rinse it off and turn it over again and repeat. When one or more of your colors has been clogged for awhile, it may be necessary to soak the head in 1/2" of hot water for a couple of hours. The problem is the water will cool off and you have to keep refreshing it with more hot water.
When you think you have done enough cleaning, dry the head with compressed air until you know all parts are dry, especially behind the circuit card on the back of the head. If you don't have compressed air use a hair dryer set on maximum air and lowest heat but make sure you get it dry. You may have to let it dry overnight. Before you put everything back, test all of your ink carts for ink flow. Dab the ink cart on a folded paper towel and you should easily get a drop of ink. If now blow with your mouth into the top rear air intake of the ink cart and you should have ink drop onto the towel. Once you know the ink carts are ok, reinstall all of them and return the power.
Then the first thing to do is to run a cleaning cycle that will fill the printhead with the new ink. Then print a nozzle test and nothing else. It it comes out good then you have been successful. If it is still bad, then pull the ink carts and the head in the same manner as above and blot the bottom of the head onto a folded wet paper towel and examine all of the colors.. If you don't see the color you have been cleaning, this means the head is still clogged and no ink is being sucked into the head by the purge unit. You will have to repeat the cleaning until you get it clean.
Posted on Nov 10, 2010
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Posted on Jan 02, 2017
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