Page Yield*: Black- 8,000 per cartridge & Drum-30,000 For best results, store in a cool, dry place. Use cartridge within 36 months of purchase and drum within 48 month for optimal performance. *at 5% coverage (ISO/IEC standard) Brother is a registered trademark of Brother Industries, Ltd. and is not affiliated with and does not endorse LD Products. Professionally manufactured by LD Products. Compatible with Printer Models Brother DCP-8110DN DCP-8150DN DCP-8155DN HL-5440D HL-5450DN HL-54 Color: Black Please contact us first with any product issues. We want all of our customers to be happy because happiness matters.