Lexmark Return Program Developer Unit, Black (72K0DK0)

Updates printer memory to protect against counterfeit cartridges Also works in CX825dtfe, CX860dte, CS820dte and more Long-life system reliability Excellent print quality page after page Compatible with Lexmark CX820dtfe Yields up to 300,000 pages. Designed for use with Lexmark Unison toner. Part of the Lexmark Cartridge Return Program. Recycling solution - designed to encourage recycling, helping you divert materials from landfill.