Question about Canon Pixma MX420 All-In-One Printer
It's not printing clearly and it's so bad it's to where it's hard to read the script and can't even make out the picture. I've tried resetting it, cleaning, print head alignment, nozzle check and it hasn't improved. I've also tried the "prevent abrasion" setting in printer settings and it worked for a while, approx 2 weeks, although it was still blurry around the edges and now it's gone back to not being legible. Help??
First try making a copy on the printer itself. How does this copy come out? If the copy comes out okay then try deleting the printer and reinstalling it. Sometimes printer drivers can get corrupt and cause problems. If the copy comes out bad then there might be something wrong with the print head.
Posted on Mar 31, 2014
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Posted on Jan 02, 2017
I had the same problem. It is most likely that your print head nozzles are clogged. Your choices are to attempt to manually clean them, or order a new print head from Canon.
Attempt the manual cleaning at your own risk, this doesn't always work. When it does not work, it means your print head is damaged.
To maually clean the print head. Printer cover up (so you can get to the cartridges and print head). Turn the Printer Off. Remove all the cartridges (I put each cartridge in a separate zip lock bag). Then flip up the lever and remove the print head.
Now heat (don't boil) distilled water (Iused a good sized cook pan and a plastic measuring cup to pour the water). Find a container you can soak the print head in (I used a deep alluminum baking pan). Pour the hot (not boiling) distilled water over the print head molding where the cartridges seat down (hold the printhead over your diposable alluminum pan). Then dunk the molded print head part into the pan numerous times. When the water gets dark change it (be carefuill not to stain the sink). Then slowly pour the hot distilled over the print head (opposite side from where the cartidges seat in). Eventually no ink will be in the water. Set the print head on a dry paper towel, and let it dry for 24 hours or longer. Reinstall the print head, then the catridges. If it worked, your true colors will return. It make take up to 15-20 photos to get all the ink catridges flowing-be patient. You can also just wait 24 hours after re-installing the cartridges, and hopefully it will take less photos to see the correct color match.
Never keep printing when a cartridge is low or out.
Print a few prints every week. Not printing for weeks causes the printheead and the ink flow to clog!
Good luck. I just recovered my S820 and my i900D using the above cleaning method. Like everything else, your mileage may vary! It cost me $1.29 for distilled water and about an hours worth of time!
Posted on Oct 20, 2008
SOURCE: Unclear Printing
Your print head is most probably blocked.
First try and run the cleaning program a few more times, it make penetrate deep enough to get through.
If that doesn't work you can either replace the print head or try and clean it.
To clean it you could soak it in a mixture of window cleaner and water (filtered best), but don't let the electronics get wet by this and try to avoid wetting the rubber seals where the ink tanks go get wet by this too, it should only soak the very bottom part of the head.
Let it dry off and wipe any residue with a soft cloth especially on the bottom where the print heads actually are. You may need to soak it a few times to get all the gunk out.
Posted on Jan 25, 2008
SOURCE: All colors not printing
Replace the print head, which is very simple, and they are readily available on ebay for about $40. I had no black print, and I replaced it and it immedicately fixed the problem.
Posted on Mar 16, 2008
Hi it's Gill again. I've been looking around more on the net and I think the problem is our printers need new printheads which I'm told are spare parts easy to change. Hope this helps. Gill
Posted on Apr 03, 2009
Run the alignment in the maintenance software. Each new print head must be aligned.
Possibly release and remove the print cartridge and reinsert it. Maybe it is skewed.
Posted on Mar 21, 2010
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