Choose a genuine Lexmark Black Laser Toner Cartridge (T654X31E) for reliable and high-quality prints from your Lexmark T65X series laser printer. Make sure you keep a spare cartridge available for when you see the error 88 Cartridge Low on your printer's display or when you notice faded print detail. This will let you restart printing quickly. This extra high capacity cartridge contains enough toner to print 36,000 pages before replacement.