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    Canon MG7150 print head alignment issue

    I knew chinese print heads are not new. But it's very strange my printer fails in the same way before and after print head replacement. Ok, chinese print heads could be defective, but it's very very unlikely two print heads fail in the same way. I suspect there is something else wrong in my printer
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    Canon MG7150 print head alignment issue

    Aliexpress. I know, maybe it's not the best, but installing the "new" head nothing changed (no better, no worst, exactly the same)
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    Canon MG7150 print head alignment issue

    Hi stratman, thanks for your quick reply! I added hi res scans in my first message. Thank you for your explanation, I didn't know the heating function of the nozzles. No matter if I cannot have my printer working again, I learned something :) However I already installed a brand new print head...
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    Canon MG7150 print head alignment issue

    Hi to all, my printer has a black alignment problem. Black vertical lines don't look straight; sometimes they duplicate themselves. This problem does not occur with other colors (cyan, magenta, yellow). I tried "self-aligning head", "manual aligning head" but nothing to do. I also replaced the...
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