Patent Number: 6,169,567

Title: System for controlling multiple optional units detachably connected to an image forming system

Abstract: A video controller generates a video signal from image data on the basis of a print instruction, and an engine controller controls a laser scanner in accordance with the generated video signal to record an image on recording paper by an image forming section. A master controller of an optional master unit performs overall control of a variety of optional units, such as a paper-deck optional unit and a sorter optional unit, in dependence upon a control instruction sent from the video controller. Accordingly, it is possible to provide an image recording apparatus to which a wide variety of optional units can be connected freely without raising the cost of the main body of the apparatus.

Inventors: Hashimoto; Hiroshi (Tokyo, JP), Kimizuka; Junichi (Yokohama, JP), Endo; Soya (Tokyo, JP)

Assignee: Canon Kabushiki Kaisha

International Classification: B41J 11/42 (20060101); B41J 29/393 (20060101); G02F 1/13 (20060101); G03G 15/00 (20060101); G02F 1/1362 (20060101); G02F 1/1333 (20060101); G02F 1/1368 (20060101); B41J 002/435 (); G01D 015/24 (); H01S 001/131 (); G11B 007/00 ()

Expiration Date: 01/02/2018