4 HIGH CAPACITY TOP QUALITY HIGH CAPACITY COMPATIBLE TONER CARTRIDGE WITH HP CF280X (80X) FOR USE IN HP LaserJet Pro 400 M401a 400 M401d 400 M401dn 400 M401dne 400 M401dw 400 M401n 400 MFP M425dn PRO400 MFP M425dw COLOUR: BLACK YIELD/CAPACITY: 4 x 6,500 pages @ 5% coverage