Some sources say to perform an ink flush, for me that didn't work because the printer wouldn't do it - it was just stuck in whatever mode it was in. But try that first. If it won't do the ink flush, move on to a basic cleaning, following by one or tw...
I ran the cleaning function, followed by a deep cleaning, and then the black ink came back. I don't print often, not sure if that's the reason but for now this fix is helping
