Patent ID: 8687220
Filing Date: 2014-04-01
Classification: G06F,G06K,H04N

Abstract:
1. An image forming apparatus having an operation mode in which the image forming apparatus is supplied with power and operates, an energy saving mode in which power consumption is less than that in the operation mode, and a stop mode in which no power is supplied, comprising: an image forming unit that forms an image on a recording member; and a control unit that controls the image forming unit, wherein the control unit includes: an arithmetic unit that performs a logical operation or a numerical operation; a storage unit that stores a register value used by the arithmetic unit in a non-volatile register which is readable and writable, and retains stored information even when no power is supplied; and a change unit that changes the register value stored in the non-volatile register so as to correspond to a mode change between the operation mode and the energy saving mode or between the operation mode and the stop mode.