The Original New Tray 2, 3, 4, 5 Pickup Feed Separation Roller Kit (Q3931-67919, Q3931-67938) is designed to improve the performance and reliability of HP Color LaserJet models CM6030, CM6040, CM6049, and CP6015. Essential for ensuring smooth paper feeding, this roller kit effectively reduces paper jams, prevents double-feeding, and enhances printing efficiency, especially in environments with high print volumes.