A sheet carrying device has a mechanism that prevents a sheet from being fed backward into a carriage path after once discharged from the device, and the sheet carrying device includes a carriage surface that guides a sheet, a reverse roller attached to a rotation shaft of a sheet discharging portion,...http://www.google.fr/patents/US7628397?utm_source=gb-gplus-shareBrevet US7628397 - Sheet carrying device, and document carrying apparatus and image forming apparatus using the sheet carrying device
Sheet carrying device, and document carrying apparatus and image forming ...
