Premium W1105A (HP 105A) Black Toner Cartridge fully compatible with the HP LaserJet 107a, LaserJet 107r, LaserJet 107w, LaserJet MFP 135a, LaserJet MFP 135w, LaserJet MFP 137fnw. The use of compatible supplies does not void your printer warranty. Product Detail Ninestartechonline.com