• The package contains 2 black toner cartridges compatible with HP 143A W1143A, both with built-in chip • Compatible with HP Neverstop Laser MFP 1202w, 1202nw, 1201n, and 1001nw printers • Each cartridge provides a print yield of up to 2,500 pages with 5% coverage on A4 paper, according to ISO/IEC 19752 standard • The refined toner and high-quality cartridge ensure deep black prints and sharp graphics