Product Specifications Product type: Compatible Laser Toner Cartridge for Lexmark Color: Black PAGE YIELD: 10,000 pages @5% Coverage LEXMARK Compatibility: Lexmark T420 Lexmark T420d Lexmark T420dn Lexmark Compatible 12A7315 Black Laser Toner Cartridge for Lexmark T420 Laser Printer (High Yield) - replaces Lexmark 12A7315