All virgin empty toner cartridge: 1,premium quality 2,competitive price 3,1:1 replacement 4,fast deliver &1 year warranty Material Special:Brand ... ,most importantly,1:1 replace for the defective goods accepted. 1 YEAR FOR WARRANTY. CE390A, 390A New Toner Cartridge for HP LaserJet Enterprice 600, M602n, M601n, Newset ...