refill cartridge does not work with hplip

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http://forums.opensuse.org – Hello, I got cartridge is low warning and after a couple of days refilled the the black cartridge (#56) for my HP officejet all-in-one printer. The low warning is still there and when I try to print, it does not even try/use the black cartridge. I believe it is tracking the serial number of the cartridge (showing in the status of hplip manager). I know the cartridge has ink, because I am able to scan/copy on the all-in-one and it does use the black. I have tried to clean, align, and test using the hplip tools, but it has not worked. Any ideas on how to erase the memory or have it retest the cartridge for ink ? Thanks for your help. (Distributions)