Amazon.com: SuppliesMAX Compatible Replacement for Canon LBP-5050/MF-8030/ 8040/8050/8080CN Black Toner Cartridge (2/PK-2300 Page Yield) (CRG-116BK_2PK) : Office Products
High Yield 62XL Black Ink Cartridge Replacement for HP Ink 62 Black Works with Envy 5540 5640 5660 7645 7640 OfficeJet 5740 8040 OfficeJet Mobile 250 200 Series Printer( 1-Pack) - Walmart.com
Black Toner for the Brother DCPL2500/20/40/60, HL2300/20/30/40/60/ 65/80, MFCL2700/20/40 - Ganson Engineering