Description: Compatible Toner Cartridge HP Premium S W/Chip CF280X/CE505X BK 6.9K BU OEM Model: CF280X/ CE505X Color: Monochrome Compatible PrinterModel: HP LaserJet Pro 400 M401dn/425dn/M401a/M401d/M401dne/M401dw/M401n/400DN/400DW HP LaserJet P2050/P2055d/P2055dn/P2055x Page Yield: 6900