Patent ID: 9238561
Filing Date: 2016-01-19
CPC Classification: B41J,B65H,G03G

Claim Text:
1. An image forming apparatus comprising: a sheet feed section that includes a sheet feed cassette and a manual feed tray and that is configured to feed a sheet stored in the sheet feed cassette or a sheet loaded onto the manual feed tray; a sheet conveyance section that includes a sheet reversing mechanism for reversing sides of the sheet and that is configured to convey the sheet fed by the sheet feed section; a reception section configured to receive input pertaining to image formation; an image forming section configured to form an image on the sheet based on image data indicated by an image formation instruction received by the reception section; an exit tray onto which the sheet is ejected after the image has been formed thereon by the image forming section; and an operation control section configured to control operation of the sheet feed section, the sheet conveyance section, and the image forming section, wherein the operation control section controls the sheet conveyance section to reverse the sheet using the sheet reversing mechanism in order to perform duplex image formation on the sheet, and when duplex image formation is performed on one or more reused sheets each having a printed side and an unprinted side fed from the sheet feed cassette and the reused sheets on which the duplex image formation has been performed are loaded onto the manual feed tray, the operation control section: controls the sheet feed section to alternately feed sheets stored in the sheet feed cassette and the sheets loaded onto the manual feed tray; controls the image forming section to form, on the sheets fed from the sheet feed cassette, images that have been formed over the respective printed sides of the reused sheets in the duplex image formation at times at which the sheets stored in the sheet feed cassette are fed by the sheet feed section; controls the sheet conveyance section to eject onto the exit tray the sheets which have been fed from the sheet feed cassette and on which the images have been formed; controls the image forming section to not form an image at times at which the sheets loaded onto the manual feed tray are fed by the sheet feed section; and controls the sheet conveyance section to eject onto the exit tray the sheets that have been fed from the manual feed tray.