Patent Number: 6,308,946

Title: Image forming machine with foreign material removal apparatus

Abstract: An image forming apparatus with a foreign material removal apparatus is formed of a sheet feeding table which is vertically movable and supports printing sheets thereon; a sheet feeding device for feeding the printing sheets stacked on-the sheet feeding table one by one; an image forming device for forming an image on the printing sheet fed by the sheet feeding means; a detecting device situated adjacent to the sheet feeding means and detecting the printing sheets fed by the sheet feeding device; and a foreign material removal device for removing foreign material covering the detecting device. The foreign material removal device includes a pump attached to the sheet feeding device and driven by vertical movements of the sheet feeding table to flow air, and a nozzle situated adjacent to the detecting device and attached to the pump. When the sheet feeding table moves vertically, the pump allows air to flow through the nozzle to remove the foreign material covering the detecting means.

Inventors: Saitoh; Takeshi (Ibaraki-ken, JP)

Assignee: Riso Kagaku Corporation

International Classification: B65H 1/18 (20060101); B65H 1/08 (20060101); B65H 1/14 (20060101); B65H 1/16 (20060101); B65H 005/22 ()

Expiration Date: 10/30/2018