Patent ID: 6788322
Filing Date: 2004-09-07
Classification: G03G,G06K,H04N

Abstract:
An image forming apparatus comprising:an image forming section that forms an image of an original on a sheet; a resist roller that conveys the sheet to said image forming section in predetermined timing; a sheet reading section having a plurality of read pixels for reading an image of the sheet and disposed in an area which the sheet passes, between said image forming section and said resist roller in such a fashion that the plurality of read pixels are arranged in a direction perpendicular to a direction in which the sheet is fed; a leading edge detecting section that detects a leading edge of the sheet by repeatedly reading the plurality of read pixels with a predetermined period; and a start time determining section that determines timing for starting image formation by said image forming section, based on the leading edge of the sheet detected by said leading edge detecting section.