Image forming system having main power source turned off in stand-by condition

摘要

The present invention provides an image forming system comprising a recording sheet supply portion, image forming means for forming an image on a recording sheet supplied from the recording sheet supply portion, a main power source for supplying electric power to the image forming means, recording sheet detecting means for detecting the fact that the recording sheet is set on the recording sheet supply portion, a sub power source for supplying electric power to the recording sheet detecting means, and main power source activating means for turning ON the main power source when the recording sheet detecting means detects the recording sheet.