Patent ID: 9146522
Filing Date: 2015-09-29
Classification: G03G

Abstract:
1. An image forming apparatus configured to operate in a plurality of power states, the image forming apparatus comprising: a receiving unit configured to receive data; a control unit configured to process data received by the receiving unit; an image forming unit configured to form an image on a sheet using the data processed by the control unit; a first power supply unit configured to supply power to the control unit and the receiving unit; a second power supply unit configured to supply power to the image forming unit; and a power control unit configured, in a first power state in which the first power supply unit supplies power to the receiving unit but does not supply power to the control unit, (A) to perform control such that in a case where a received packet received by the receiving unit is a first type packet, the first power supply unit supplies power to the control unit but the second power supply unit does not supply power to the image forming unit, and (B) to perform control such that in a case where a received packet received by the receiving unit is a second type packet, the first power supply unit supplies power to the control unit and the second power supply unit supplies power to the image forming unit, wherein the power control unit is configured to perform control such that the first power supply unit stops power to the control unit in response to the control unit processing the first type packet in a case where the received packet is the first type packet and the power control unit is configured to perform control such that the first power supply unit stops power to the control unit after a predetermined time period elapsed in a case where the received packet is the second type packet.