Patent ID: 8610917
Filing Date: 2013-12-17
Classification: G06F,H04N

Abstract:
1. An image forming apparatus comprising: an engine unit to execute an image forming job; a determination unit to repeatedly determine whether the image forming apparatus is in a standby state or not; and a controller to control the image forming apparatus to operate in a first power saving mode if it is determined that the image forming apparatus is in the standby state, wherein, in the first power saving mode, operation frequencies of at least one of a central processing unit (CPU), the volatile memory, and an intellectual property are lowered, and wherein, according to the repetitive determination, if it is determined that the standby state to wait for execution of the image forming job is maintained for a predetermined time after the image forming apparatus operates in the first power saving mode, the controller controls the image forming apparatus to operate in a second power saving mode in which the CPU is set to use an internal memory and the volatile memory enters an idle mode.