Patent ID: 7457558

Claim:
An image forming system includes an image forming apparatus that forms an image on a sheet and a peripheral device that is connected to the image forming apparatus, said image forming system comprising: an electrical power supply unit that, provided in said image forming apparatus, supplies electrical power to the image forming apparatus and the peripheral device; a driving unit that, provided in said peripheral device, drives load on the peripheral device; a electric energy storage device that, provided in said peripheral device, supplies electrical power to the driving unit and is charged repeatedly with electrical power from the electrical power supply unit; an electrical power changing device that activates or deactivates a first supply path for supplying electrical power from the electrical power supply unit to the electric energy storage device and activates or deactivates a second supply path for supplying electrical power from the electric energy storage device to the driving unit; and a controller unit that controls the electrical power changing device so as to deactivate the first supply path and activate the second supply path when initialization of the image forming system is performed.