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sometimes a little bit of dried ink stops the flow of ink use a cue tip and genty clean both the puter contacts and the cartridge contacts then try again after resetting do the head cleaning tht the machine can do for itself this work most of the time hope it help ps watch and dont let any fuzz get left behind
Hi If you replaced the cartridges with genuine Canon cartridges then there's probably a build up of ink under the cartridge carriage. Pull out all the cartridges and lift up the carriage. Clean it using a non alcohol cleaner. While you're at it put some cleaner on a folded up paper towel and wipe the ink reservoir located on the right hand side, where the carriage sits when idle. If you replaced your Canon cartridges with off brand cartridges then you might not have changed the chips over. On the old cartridges there's a tiny chip glued to the plastic in front. This chip must be popped off and snapped onto the new cartridge. Good luck
The cartridge is only a tank that holds ink. The printhead is the device that you put it into and probably has a blockage in the magenta head. Open the machine so the carriage moves to the center. remove all the cartridges. TCT How to remove and clean Canon Printhead see the link below. The MX700 may have the locking mechanism at the front of the carriage, so you should move it slightly right and then pull the colour bar forward to release the printhead. carefully remove the printhead. Sit it in a shallow dish/tray of hot water for a few minutes and dry with a paper towel. Put it back in the printer reset the locking bar and cartridges. Try a nozzle check through the tools menu. Yoyu may need to repeat the process if the magenta printhead is badly blocked
It seems the home position sensor is out of whack or the mylar band behind the print cartridge carriage is missing or broken.
To find the mylar piece look for a clear 6mm x 460mm clear piece of plastic with black markings (like a gradient) on both sides.If you find it you can try and place it back by looking for an extended eyelet on both sides of the stell print carrier.
Most people in haste to change ink have the hand slip and it becomes dislodged.
I had exaclty same problem - black not printing - was about to buy a new printer but did the following as a last resort about a month ago - remove the ink cartridges - removed the head and sat it on an a tissue - into the 'well' where the printer cartridges sit I dropped into there a very small amount of water as if to 'wash it through' where the ink would flow, (about a quarter tea spoon) - agitated it a bit - this flushed thru the gaps were the ink goes - I cleaned it all up - dried it with a tissue - put it all back together - it works fine now ! This was a last resort option for me but I guarantee it did work !
Looks like you are either using non genuine inks or have worn out the print head. Just replace the print head and use genuine ink, your print head will last longer and your colors truer. Non genuine ink is cheaper but the profit on it is huge, thats why lots of people sell it. Remember you get what you pay for.