CLJ 4550 n / CLJ 4550-n / CLJ 4550n / CLJ-4550 n / CLJ4550 n / CLJ4550n / Color Laser Jet 4550 n / Color Laser Jet 4550-n / Color Laser Jet 4550n / Color Laser Jet-4550 n / Color Laser Jet4550 n / Color Laserjet 4550 n / Color Laserjet 4550-n / Color LJ 4550 n / Color LJ 4550-n / Color LJ 4550n / Color LJ-4550 n / Color LJ4550 n / ColorLJ4550n