Toner Model:Hitze toner cartridges compatible for Samsung MLT-D111S have competitive price and excellent quality, through strict test to meet the quality standard. We are specialized in ink and toner cartridges for years, we committed to satisfying our customers with the best products. Thanks for your supporting. Unbeatable Value Pack: 2 black MLT-D111S toner cartridges Cartridge yield: Up to 1,000 pages (5% coverage) per black ,save much money. How to replace the Toner: 1.Shake the toner cartridge gently up and down gently. 2.Take off the black cover from the toner cartridge. 3.Put the toner cartridge into your printer. 4.Keep away from your valuable goods. Compatible printer models:for Samsung Xpress M2020 M2020W M2021 M2021W M2022 M2022W M2026 M2026W M2070 M2070W for Samsung M2070FW M2070F M2070FH M2070HW M2071 M2071W M2071FH M2071HW M2078 M2078W printer. After sales service: Welcome to purchase from Hitze and if you have any questions please feel free to contact us. Sign in to your Amazon account ➤ find your "Hitze order"➤ click on contact seller ➤ we will give you a quick reply within 24 hours.