This Genuine HP B5L24-67901 Image Transfer Belt (ITB) & 2nd Transfer Roller Service K is a must-have for your HP LaserJet printers M552, M553, M554, M55, and M577. It ensures high-quality printing and smooth transfer of the toner onto the paper. The ITB and 2nd Transfer Roller are essential parts of the printer's imaging system that work together to transfer the toner to the paper. This product is compatible with HP printers and is easy to install. The Genuine HP B5L24-67901 Image Transfer Belt (ITB) & 2nd Transfer Roller Service K is a reliable option that ensures the longevity of your HP LaserJet printers. Get this product and enjoy hassle-free printing with the confidence that you are getting a high-quality product.