| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an image formation device that further achieves energy conservation using another electric power supply as an auxiliary power supply. <P>SOLUTION: An image formation device includes: a function part that executes the function of the image formation device; a first power supply circuit that supplies the function part with electrical power from a commercial power supply; a second power supply circuit that includes a self-generating power supply and supplies the function part with electrical power from the self-generating power supply; and a third power supply circuit that supplies the function part including a power storage part for storing electricity and a charging circuit for charging the power storage part upon receiving supply of electrical power from at least any one of the commercial power supply and self-generating power supply, with electrical power from the power storage part. According to the power supply amount from the self-generating power supply, a priority is given to the supply of electrical power from at least any one of the second and the third power supply circuit over the supply of electrical power from the first power supply circuit to the function part. <P>COPYRIGHT: (C)2013,JPO&INPIT |
