Patent ID: 8526837
Filing Date: 2013-09-03
Classification: G03G

Abstract:
1. An image forming apparatus having a first mode for operation with predetermined power consumption and a second mode for operation with less power consumption than the power consumption in the first mode, the image forming apparatus comprising: a plurality of paper cassettes capable of being attached to a predetermined section of the image forming apparatus, each paper cassette storing paper therein; a detection part detecting the attachment and detachment of the paper cassettes to and from the predetermined section; and a shift part which, when the image forming apparatus is in the second mode, does not shift the image forming apparatus from the second mode to the first mode when the detection part detects that one of the paper cassettes attached to the predetermined section is being detached, the shift part maintaining the second mode until detection by the detection part that all the plurality of paper cassettes have been attached to the predetermined section, whereby the shift part shifts the image forming apparatus from the second mode to the first mode when the detection part detects that all of the paper cassettes are attached to the predetermined section.