High-Yield Printing: The black ink cartridge delivers up to 2200 pages, while each color cartridge provides 1100 pages (A4 paper, 5% coverage), minimizing the need for frequent replacements Compatible Printer Models: Perfectly compatible with Workforce Pro WF-3820, WF-3825, WF-4830, WF-4835, WF-7830, WF-7840, WF-7845 printers, ensuring seamless performance Four-Color Pack: Includes 1 Black, 1 Cyan, 1 Magenta, and 1 Yellow cartridge, catering to all your printing needs, from documents to vibrant images Exceptional Print Quality: Each cartridge is rigorously tested to ensure crisp, detailed text and vivid colors with every print Easy Installation: Designed for straightforward installation, ensuring quick and hassle-free setup while maintaining reliable printing performance Product Name: TAAUS 812XL Ink Cartridges (1 Black, 1 Cyan, 1 Magenta, 1 Yellow) Product Specifications: Colors: Black, Cyan, Magenta, Yellow Compatible Printer Models: Workforce Pro WF-3820, WF-3825, WF-4830, WF-4835, WF-7830, WF-7840, WF-7845 High-Yield Printing: Black Ink Cartridge: Up to 2200 pages (A4 paper, 5% coverage) Color Ink Cartridges: Up to 1100 pages per color (A4 paper, 5% coverage) Packaging Contents: 1 Black Ink Cartridge 1 Cyan Ink Cartridge 1 Magenta Ink Cartridge 1 Yellow Ink Cartridge