Lexmark E320 and E322 printers share common customer-replaceable supplies. The supplies are designed for easy installation and reliable performance. Lexmark E320/E322 print cartridges are uniquely designed for E320 and E322 printers; they are not compatible with other Lexmark printers. Print cartridges intended for use with other printers cannot be used. Average Cartridge Yield 6,000 standard pages. Declared yield value in accordance with ISO/IEC 19752.