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    BIGBOPPER's Avatar
    BIGBOPPER Posts: 351, Reputation: 28
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    #1

    Oct 11, 2008, 01:29 PM
    Canon MP390 not printing correctly.
    The other night my girlfriend was using her computer to print out a research paper for school. It started to print like the black ink tank was low. Well, it being after midnight, and no place around to buy ink, I refilled a spare cartridge using a refill kit I had. We try again, it started okay, but started doing the same thing. To save sanity, I flash drived the paper to my computer and printed it. I return to the printer. I removed the head, and sure enough it was all gunked up. Too gunked up I think to have been caused by my quick refill job. I clead the head thoroughly and let it dry. I put everything togerther, and a test print indicates that everything is okay. Except... Now it is doing the same thing again. It cannot be gunked up, because the very next day I bought lots of ink cartridges, because I had doubts as to the color's ink level, and replaced everything. I ran the cleaning functions on the printer, but to no avail. What to do?
    donf's Avatar
    donf Posts: 5,679, Reputation: 582
    Printers & Electronics Expert
    		  
    #2

    Oct 16, 2008, 05:49 AM

    Consider replacing the print head or at the very least having the print head tested.
    BIGBOPPER's Avatar
    BIGBOPPER Posts: 351, Reputation: 28
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    #3

    Oct 17, 2008, 03:36 PM

    Quick question. This printer has a removable/replaceable print head. However, I have yet to see a replacement for sale at any of the big box office supply stores. Where would be the best place for me to go to get a new one?
    donf's Avatar
    donf Posts: 5,679, Reputation: 582
    Printers & Electronics Expert
    		  
    #4

    Oct 17, 2008, 03:53 PM

    For my Canon parts, I either order from Canon over the web or I find an authorized servicer and order the part through them.
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