Patent ID: 9747062
Date: 2017-08-29
CPC Classifications: B41J,G06F,G06K

Claim:
1. A printing device capable of obtaining power from at least one of an Ethernet network transmission line and a USB connection, the printing device comprising: a power and data interface in communication with a port, the port being one of a powered Ethernet communication port and a USB communication port, the power and data interface being configured to separate data transmission from power transmission; a first power converter in communication with the power and data interface, the power converter to supply an available amount of power; a controller configured to determine a required amount of power for an upcoming print operation that involves energizing printhead elements, the printhead elements including a first group of the printhead elements and a second group of the printhead elements, wherein the first group of the printhead elements is separately controllable from the second group of the printhead elements; a printer control and image generating circuit in data communication with the power and data interface and in electrical communication with the power converter, the printer control and image generating circuit configured to: