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  1. Alvin777

    How Long Maximum Could You Submerge the Heads in the Cleaning Solution?

    Hello, I have a Canon MP287. Both the color and black cartridges, some of it's nozzles are closed (has lines in the test print). I've tried deep cleaning about 5 to 9 times straight but it's still the same and other methods like sucking using a suction device. I did buy a cleaning solution...
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