Printing apparatus and related control method that, upon receipt of a turn-off instruction, stop power supply to a first controller, which controls a print engine, and a second controller, which instructs the first controller to print and receives a power supply instruction

摘要

A printing apparatus includes a power supply that supplies power to hardware components in the printing apparatus, a print engine that prints an image, a first controller that controls the print engine to print the image and controls the power supply, and a second controller that instructs the first controller to print, and receives an instruction related to power supply control of the printing apparatus from an external terminal. Upon receiving a turn-off instruction for turning off the printing apparatus from the external terminal, the second controller notifies the first controller of the turn-off instruction, and the first controller controls, in accordance with the turn-off instruction received from the second controller, the power supply to stop supply of the power to both the first controller and the second controller, which has notified the turn-off instruction.