in-house control of colour - the hp color LaserJet 8550 provides business with fast, high quality printing and paper handling options, including 8-bin mailbox, high-volume paper-feeding, collation, stapling and finishing of documents in-house - on-demand. it also offers complete control over timing, costs and security for business sensitive documents. hp's new drivers and user interface have many features for easy, intuitive operation - whatever the printing need.