ZLOR 993XL Compatible Ink Cartridge Replacement for HP 777z 772dw 750dw 750dn Printers - High Quality Black Ink - Eco Friendly Printer Supplies for School, Home & Office Use

1) 100% Perfect Fit for Below Printer Models:For HP 777z 772dw 750dw 750dn2) Vivid Images and Accurate text :We strives to provide you with high quality ink cartridges that will provide long lasting photos and graphic prints. Our ink cartridges will deliver crisp and sharp text,leaving you with prints free of bleeding and smearing.3) We focus on Building Quality:All of our cartridges go through rigorous quality control processes to ensure that your ink cartridge exceeds market standards.High Build Quality + High Ink Quality = High Yield!Precaution:1. Please check your printer model to make sure the ink cartridges fit before placing an order.If you're not sure what ink cartridges your printer needs, look at the label of the old ink cartridge first. It will tell you the correct cartridge model2. If the printer prompts an error message such as "Non-Genuine Ink Cartridge", please click "Yes" or "Continue", then the printer can continue printing3. Clean the print head 2-3 times after installation to better improve the print quality4. Please turn on the power once a week to prevent the print head from being blocked due to infrequent use of the printer