The black cartridge was replaced last month & is half full. Worked well till today. Test page shows no black. Alignment page shows no black. Printing from computer shows no black. Copy with any of three modes gives no black. Lot's of blank pages. Ran the clean printhead tools & tried with a pin manually. Read all this & think this is a defect that seems to pop up when the warranty is done. Very upset. My last printer lasted several years.
Printer is 4 weeks out of warranty.