CLJ 5550 dn / CLJ 5550-dn / CLJ 5550dn / CLJ-5550 dn / CLJ5550 dn / CLJ5550dn / Color Laser Jet 5550 dn / Color Laser Jet 5550-dn / Color Laser Jet 5550dn / Color Laser Jet-5550 dn / Color Laser Jet5550 dn / Color Laserjet 5550 dn / Color Laserjet 5550-dn / Color LJ 5550 dn / Color LJ 5550-dn / Color LJ 5550dn / Color LJ-5550 dn / Color LJ5550 dn / ColorLJ5550dn