Toner king Compatible Toner Cartridge Replacement for HP CF281X ( Black ) HP CF281A HP 81A, HP 81X Toner For HP LaserJet M603N, M603DN, M605N, M605DN, M605X, M606DN, M606X, MFP M630f, MFP M630h, MFP M630z SAVE UP TO 60% compared to OEM toner cartridges 100% satisfaction guarantee with One-Year Warranty. Certified with ISO9001, ISO14001, ROHS, STMC and CE. MSDS certificate available