LEXMARK 51B1000 | Original Lexmark Toner Cartridge - Black Was: Now: $103.99 MSRP: $136.79 Lexmark 51B1000. Type: Laser toner Printing colors: Black Quantity per pack: 1 pcs Essential to Lexmark Print System Performance.Consistently outstanding image quality. Long-life system reliability. Superior sustainability. Innovative shake-free print... Add to Cart