As an important part of the laser printer, HP toner cartridge rated life of 6000 to 10000 in general. When you find the printed image light, uneven shades, and non-transfer corona electrode and toner and other causes, it is the end of life…

Drum life refers to the amount of paper the print cartridge can print on. The larger the amount of printable paper, the longer the cartridge life. Drum length of life is determined by the drum. For small and medium-sized office users who a…