Patent ID: 7382472
Filing Date: 2008-06-03
Classification: H04N

Abstract:
1. An image forming apparatus which forms an image onto recording paper, comprising: an image processing control unit for processing image information from an external apparatus; an image forming control unit for controlling said image forming apparatus on the basis of a control signal from said image processing control unit; a conveying unit for conveying the recording paper; and a detecting unit for outputting information regarding the presence or absence of the recording paper which is conveyed by said conveying unit, wherein said image forming control unit discriminates defective conveyance of said recording paper on the basis the information regarding the presence or absence of said recording paper which is outputted from said detecting unit, discriminates which of a plurality of types of defective conveyance said defective conveyance is, and transmits information regarding the defective conveyance to said image processing control unit, and when the information regarding said defective conveyance which is received from said image forming control unit is information showing the occurrence of specific defective conveyance, said image processing control unit transmits a defective conveyance cancelling signal to cancel said specific defective conveyance to said image forming control unit.