The Lexmark W840 supplies are designed to provide exceptional value, reliability and outstanding print quality. The Lexmark W840 supplies are not compatible with other Lexmark Printers. Average Cartridge Yield 30,000 standard pages. Declared yield value in accordance with ISO/IEC 19752.Compatible Printers: Lexmark Optra W 840 Series, Unisys UDS 50 IMW, Lexmark W 840 Series, Lexmark W 840, Lexmark Optra W 840 DN, Lexmark Optra W 840 N, Lexmark W 840 N, Lexmark Optra W 840, Lexmark W 840 DN, Unisys UDS 50-WN 1
