Patent ID: 8001398
Filing Date: 2011-08-16
Classification: G03G

Abstract:
1. A power source control method of an image forming apparatus for controlling, by a control apparatus, turn-on or turn-off of a power source that can be controlled from outside of each of one or plural image forming apparatus(es) installed in a predetermined space where an entrance/exit detecting apparatus for detecting entrance and exit of a person is provided, comprising: by the control apparatus, obtaining from the entrance/exit detecting apparatus entrance/exit information indicating entrance and exit of the person into the predetermined space; and by the control apparatus, controlling turn-on and turn-off of the power source of the one or plural image forming apparatus(es) on the basis of the obtained entrance/exit information, wherein the control apparatus judges whether at least one of the image forming apparatus(es) is in an ON state, and if not, then only a selected one of the image forming apparatus(es) having the highest frequency of use is turned ON.