An information processing apparatus serves as a host unit for communicating to a plurality of printing apparatuses via a network. Each of the printing apparatuses includes internal components that are set in a sleep state when power supply to the components is reduced or in a print-ready state when power...http://www.google.fr/patents/US6459496?utm_source=gb-gplus-shareBrevet US6459496 - Information processing apparatus indicating a sleep state and a ready state of printing apparatuses
Information processing apparatus indicating a sleep state and a ready state ...