OfficeWorld Compatible Toner Cartridge Replacement for Brother TN 336 TN-336 TN331 for Brother MFC-L8850CDW MFC-L8600CDW HL-L8250CDN HL-L8350CDW HL-L8350CDWT (Black, Cyan, Magenta, Yellow), 4 Pack

Product item: Office World Compatible Toner Cartridge for Brother TN336 TN-336 TN331 (Non-OEM) Compatibility: Brother MFC-L8600CDW, Brother MFC-L8850CDW Brother HL-L8250CDN, Brother HL-L8350CDW, Brother HL-L8350CDWT Approximate page yield: ~4,000 Pages per Black, 3,500 Pages per Color at 5% coverage. Installation guide: Step 1: Shake the cartridge from side to side 6-8 times to make toner distribute evenly. Step 2: Remove the orange cap then put them into the printer. After-sales Service (24 Months Product Warranty) 1. Log in Your Amazon Account > Click Your Account > Your Order > Find your order and click 'Contact Seller'. 2. Go to the product page and click the seller's name 'Sold by', Click 'Ask a question' button.