All compatible toner cartridge replacements for DD1A002G3X, TN-219 are tested with industry quality control processes to ensure compatibility with your printer along with sharp text, bold Blacks, and crisp graphics Estimated Page Yield:20,000 pages per Black DD1A002G3X, TN-219 toner cartridge (depends on printer and usage) HIGH QUALITY: Refined premium toner cartridge and high-quality accessories to deliver stability and smooth printing result. All toner cartridges and Drums have a 100% Satisfaction guarantee. Print more and pay less based on 5% coverage. Step-1 Shake the toner from side to side for 3-5 seconds to make toner well-distributed. · Step-2 Pull off the seal tape from side of the toner. · Step-3 Remove orange protective cover from toner. · Step-4 Insert toner cartridges into drum unit (not included) until it clicks into right place. · Step-5 Insert the drum unit (with the toner installed) into your printer. Genuine OEM for Konica Minolta TN 219, DD1A002G3X, Black Toner Cartridge, 20,000 Pages, BIZHUB 25E, BIZHUB 28E