Patent ID: 9618992
Date: 2017-04-11
CPC Classifications: G06F

Claim:
1. A printing apparatus comprising: a controller which includes a processor and a memory; and a Universal Serial Bus (USB) controller which is able to communicate with a USB device connected to a USB interface; wherein the controller identifies a type of the USB device based on device information, of the USB device, acquired from the USB device connected to the USB interface, and wherein the controller, based on a predetermined condition being satisfied in which no operation is performed by the printing apparatus, shifts the printing apparatus to a first power state in which power supply to the processor and the USB controller is stopped if the USB device is a first type device, and shifts the printing apparatus to a second power state in which power supply to the processor is stopped and power is supplied to the USB controller if the USB device is a second type device; and wherein the first and second power states are sleeps states.