it just started happening and it's going back and forth between printing with the right amount to using too much so that everything it prints is soaking the page, not streaking or bleeding(couldn't figure out the google keywords for this), just imposing too much of itself. I'll switch between different documents and paper and it will change, but then go back, can't figure out any pattern except that it appears to use too much with card stock paper but so far it's printed correctly also on...
black ink cartridge intermittently using too much ink
black ink cartridge intermittently using too much ink