Kit Includes:1PC Fuser Unit , 1PC Bias Transfer Roller , 2PCS Feed Roller Keep your Lexmark printer running at peak performance with this maintenance kit designed for multiple printer models including MS321, MS421, MS521, MS621, MS622, MX321, MX421, MX521, MX522, MX622, M1242, M1246, M3250, XM1242, XM1246, XM3250, B2338, B2442, MB2338, and MB2442. This 110V maintenance kit (part number 41X1225) includes essential components to maintain optimal print quality and extend your printer's life. The kit contains replacement parts that commonly wear out over time, including rollers and other critical components. Regular maintenance using this kit helps prevent paper jams, ensures consistent print quality, and reduces unexpected printer downtime. Installing this maintenance kit at recommended intervals will help maintain your printer's reliability and performance throughout its service life. Compatible with multiple Lexmark printer series, this kit represents a cost-effective solution for routine printer maintenance. Compatible New Estimated Yield / @ 5% 100K # We are a professional Printer and Copier Parts Manufacturer. # Focus on the manufacture of Printer and Copier parts for various brands of laser printers and copiers. # We pay attention to product technology and quality. # Make printers and copiers maintenance more economical,reliable and efficient. #Committed to providing users around the world with a convenient printing experience.