Ensure crisp, reliable black printing with the HP X4E75AA Black Printhead — designed specifically for HP Smart Tank and Smart Tank Plus printers. This genuine HP thermal inkjet component delivers consistent, smudge-resistant black output across compatible models like the Smart Tank 350, 500/510/530/610, and Smart Tank Plus 550/570/650 series. Easy to install and engineered to maintain printer performance, the X4E75AA helps reduce downtime and supports high-quality printing with HP Original inks.