I just installed a new black ink but it doesn't

your print heads might be clogged. clean it the hardware way. not the software way. to do this, simply buy a print head cleaning solution for Epson Printers. now pull out all your print cartridges and put a small drop of cleaning solution to the pin-like plastics in the base where your heads are seated. drop and drop cleaning solution to dilute clogs. you can use syringe to sip out the solution from the area. after this hardware cleaning, do a software cleaning through performing a cleaning print heads in the epson tools under maintenance tab

You've got to remove the inks and clean the contacts for those respective inks. Clean them with a cotton swab "dampened" with rubbing alcohol.