HP LaserJet printers employ xerographic laser-marking engines sourced from the Japanese company Canon. Due to a very tight turnaround schedule on the first HP LaserJet, HP elected to use the controller already developed by Canon for the CX engine in the first HP LaserJet. Deskjet is a brand name for inkjet printers manufactured by Hewlett-Packard.These HP printers All in One range from small domestic to large industrial models, although the largest models in the range have generally been dubbed DesignJet.