Printing quality test to ensure the printing is real black, sharp, no slur and won't fade.
Mechanical test to ensure the toners smooth operation and no noise.
100% Compatible with printer HP LaserJet P1007/ P1008/ P1106/ P1108/ M202/ M202n/ M202dw/ M126nw/ M128fn/ M128fw/ M226dw/ M226dn/ M1136/ M1213nf/ M1216nfh/ M1218nfs
Give Extra Darkness, And Better Life Cycle.Printing quality is best
Page Yield 5000 On 5 % coverage.