Package Contents: -2 x Black 134X (W1340X), (2 cartridges in total) Compatible for Printer: -Laser M209dw -Laser MFP M234dw -Laser MFP M234sdw HIGH YIELD: Black is 2700 pages per cartridge(at 5% coverage Letter/A4) Specialists in Print: - Clear and natural printouts. - Ensure that your daily printing meets exceptional quality. - We offer uniform powder, not easy to drop powder leakage. Excellent printing quality: -Toner cartridges are manufactured with advanced equipment to maintain the highest standards and provide clear and vivid content for your pages. Strict quality control: -We always strive to provide you with the best, and we carefully inspect our Ink cartridges throughout the entire product line-to ensure compatibility and reliability. Warm tips: -If you encounter any difficulties during the use of the product, please contact us promptly. -We are pleased to assist you and wish you a happy life every day!