Lexmark Unison 501U Toner Cartridge — 50f1u00, computers, electronics.

• Ultra high-yield toner cartridge features the Unison Toner's unique formulation that consistently delivers outstanding…
• Essential to Lexmark print system performance, genuine Lexmark toner is engineered to work best…
• Cartridge is designed for use with Lexmark MS510dn, MS610de, MS610dn, MS610dte and MS610dtn
• Lexmark Return Program cartridges are patented print cartridges sold at a discount in exchange…
• Compatible with MS510dn Also for use in MS610de, MS610dn, MS610dte and MS610dtn Return Program…