General description Enjoy exceptional reliability and high-quality prints from your Lexmark E series laser printer by installing a genuine Lexmark Black Return Program Corporate Toner Cartridge (E250A31E). This economically-priced cartridge comes packed with enough toner to print 3,500 pages. Technical specifications Page yield: 3,500 pages Usage Your Lexmark laser printer will display an orange light above the Toner Low icon on the control panel when it's nearly time to replace the cartridge. Keep a spare cartridge handy to restart printing with minimal fuss.