?Quality service?: We have a professional team to provide you with good service, no matter what questions or problems you have, you can contact us, we will reply in 24 hours and solve for you. ?Safe packaging?:Professional anti-drop box, and multi-layer protective packaging, which has stronger compression resistance and drop resistance, ensuring the integrity of the product. ?High quality?: The 40X8420 maintenance kit for Lexmark uses high-quality raw materials to provide superior image quality, resulting in higher print yields and lower cost per page. And each 40X8420 maintenance kit has passed the quality and function test before leaving the factory, providing you with high-quality maintenance kit. ?Specifications? : Voltage: 110/120V; Pages: About 200k pages. You wil get: 1*40X7743 Fuser unit, 1*40X7582 Transfer Roller, 6*40X7593 Tray 2-4 Pickup Rollers (3 Pairs of Tires), 1*Transfer Roller Removal Tooal, Gloves. ?Compatibility?: 40X8420 maintenance kit is compatible with Lexmark MS810/ MS811/ MS812/ MX710/ MX711/ MX810/ MX811/ MX812/ XM5163/ XM5170/ XM7155/ XM7163/ XM7170/ M5155/ M5163/ M5170 Laser Printers.