Roller gear - White plastic 15 tooth gear that attaches to end of face-down paper output roller.
HP RU5-0375-000CN, Drive gear, White
HP RU5-0375-000CN. Type: Drive gear, Device compatibility: Laser/LED printer, Brand compatibility: HP, Compatibility: LaserJet 2410, LaserJet 2420, LaserJet 2430, Product color: White