Compatible with: WF-4630, WF-4640, WF-5110, WF-5190, WF-5620, WF-5690 WorkForce: WF-4630, WF-4640, WF-5110, WF-5190, WF-5620, WF-5690 WorkForce Pro: WF-4630, WF-4640, WF-5110, WF-5190, WF-5620, WF-5690 This is the Compatible Higher Yield Version of: Epson 786 T786420 Yellow Page Yield*: 2,000 For best results, store in a cool, dry place. Use within 18 months of purchase for optimal performance.*at 5% coverage (ISO/IEC standard) All LD compatible and remanufactured cartridges are quality tested to ensure long-lasting use and bold, vivid print on every page Please contact us first with any product issues. We want all of our customers to be happy because happiness matters.