Recent content by dgibbo777

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    Canon MP640 not printing black

    Howdy. OK, cleaned the print head and nozzles with windex as well as flooded the purge pads. Nozzle check printed fine after that and have done two prints, 4 hours apart and both have worked fine for now. I'll not celebrate yet and will see how the next few days go, but looks like a good clean...
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    Canon MP640 not printing black

    Thanks again for the prompt reply. I'll go through the cleaning this evening and see whether the purge unit is working and go from there. Will let you know.
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    Canon MP640 not printing black

    Thanks for responding so quickly. Good tip on the matte paper, will use that if I can't resolve this quickly. I'm using the genuine Canon cartridges and always have with the printer, with no refilling. Regards, David
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    Canon MP640 not printing black

    Hi all. Am back on the forum looking for help again. Everyone was so helpful last time (especially ghwellsjr), was hoping for some assistance. My MP640, which is 3 months out of warranty, has stopped printing black. All other colours print fine. If I do a nozzle check, the top row for black is...
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    i9950 Magenta printing problems

    GHWELLSJR....Well, the print head arrived today, installed it and viola, all working fine again. Have cleaned up the old print head and will store it for future troubleshooting. Thank you so much for your help and advice. Saved me a bunch of money and enabled us to keep using a printer that...
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    i9950 Magenta printing problems

    Thank you sir, you've been a great help. Print head has been ordered from printheadexpress, so hopefully will be back up and running in 2 weeks. Thanks also for the other threads, will definitely read them....
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    i9950 Magenta printing problems

    Thanks again for the detailed input. I thought I'd replied to your post, but looks like I didn't submit it. Yes, I was being literal when I described the problem. The Magenta rectangle in the test print is exactly half the height of the others, with only the bottom half printing. I followed...
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    i9950 Magenta printing problems

    Thanks to both of you for the responses. I had come across the postings of ghwellsjr and that inspired me to do a lot of the cleaning etc (as well as Trigger1937). To answer the question about the purge pads, I did go through the exercise of opening the printer, putting windex onto the purge...
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    i9950 Magenta printing problems

    All, I've found this a very useful forum based on reading a number of the threads, so am hoping someone can help me. I have a 4 year old i9950, which recently stopped printing half of the Magenta colour (if I do a test print, only the bottom half of Magenta prints, not the top half). Having...
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