The Lexmark 78C1UKE Black Ultra High-Yield Toner delivers consistently outstanding image quality and long-life system reliability for laser printers. With a 10,500-page yield, it minimizes cartridge changes and supports sustained printing needs. Compact and lightweight (5.55 x 4.02 x 3.98 in, 0.84 lbs), this imported toner is ideal for busy office environments.