Proven Performance and Quality - Significant Cost SavingsV7 cartridges are backed by over 40 years of high-performance manufacturing experience from ISO 9000 / ISO 14001 certified state-of-the-art facilities. toners and key components are carefully selected matched and verified for optimal system performance before a design is released to production.After final assembly every cartridge is tested in equipment like yours prior to packaging. High-strength cartons with protective inserts ensure a safe arrival from our warehouse to your delivery location. Each box contains easy-to-follow illustrated installation instructions.By using our replacement toner cartridges you are also helping to protect the environment by keeping reusable non-biodegradable materials out of landfills.Built to OEM specifications - with yield of up to 2000 pagesReplacement for OEM cartridge part number 44469803/706/705/704Fits printer models C 310 DNC 330 DNC 331 DNC 510 DNC 511 DNC 530 DNC 531 DNMC 351 DNMC 352 DNMC 361 DNMC 362 DNMC 561 DNMC 562 DNEnvironmentally friendly while easy on the budget without sacrificing quality!1 Year Manufacturer's warranty