Printer Compatibility:HP Color LaserJet Pro MFP M277dw, HP Color LaserJet Pro MFP M277nHP Color LaserJet Pro MFP M277c6, HP Color LaserJet Pro M252dwHP Color LaserJet Pro M252n PrinterWHAT DO YOU GET FROM VALUETONER TODAY?1. You will receive a (4) Pack of cost-effective and well-packaged HP 201X high yield compatible toner cartridge replacements for use in your valued printer2. You will enjoy high quality printing results and page yields equal to OEM ink cartridges.3. You will receive access to our professional customer service team that is fully dedicated to solving any problems you have with the product and ensuring a great purchasing experience.Valuetoner cares about all our customers. Please feel free to contact us anytime using the "Contact Seller" option within the "Orders" section on Amazon.FOR OPTIMAL USEPlease follow the guidelines below:Step 1: Please pull out the protective paperStep 2: Please remove the inner protective tab of your tonerWHY CHOOSE VALUETONER?Valuetoner cares about Amazon customers.We appreciate all of your feedback and reviews. We use them to create a direction for us to continuously improve our products.ValueToner cares about environment. We provide cost-effective compatible toner cartridges to give you broader choice for your daily printing needs. We only choose environmental-friendly materials for our product.ValueToner knows the whole industryWe don't just sell ink and toner cartridges, we solve your day to day printing problems by providing you with the best solutions and product experience.