I started using the black cartridge. . After about 13 pages (of which 6 were hardly used black) the black ink was gone. So maybe 10 pages of ink for an XL cartridge. I've had original HP color inks (not even XL) in a printer I've used before and it still works after a brand new black. I can't believe I have to send it back to get a refund. waste product.
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