HP Smart technology monitors the toner levels and alerts users when supplies are low giving maximum printer uptime, minimum user intervention and low cost of ownership.
| HP Colour LaserJet 5500 | HP Colour LaserJet 5500dn | HP Colour LaserJet 5500dtn |
| HP Colour LaserJet 5500hdn | HP Colour LaserJet 5500n | HP Colour LaserJet 5550 |
| HP Colour LaserJet 5550dn | HP Colour LaserJet 5550dtn | HP Colour LaserJet 5550hdn |
| HP Colour LaserJet 5550n | | |