Back to results
US 2016/0349678 A1Published application
Image forming apparatus
AssigneeCanon Kabushiki Kaisha
InventorsMasanori Maeda, Daisuke Aoki
Life of this patent
Estimating the term…
Abstract
An image forming apparatus includes a drive unit including a first drive train through which a driving force from the drive source is transmitted to the discharge roller and a second drive train through which a driving force from the drive source is transmitted to the reverse roller, and a switching mechanism, provided on the second drive train, configured to switch a rotating direction of the reverse roller between the forward rotating direction and the reverse rotating direction with the discharge roller rotating in one direction.
Claims8
An image forming apparatus comprising:
- an image forming portion configured to form a toner image on a sheet;
- a fixing portion configured to fix the toner image, formed on the sheet by the image forming portion, to the sheet;
- a sheet discharge portion, comprising a discharge roller, configured to discharge the sheet, on which the toner image has been formed, to an outside of the apparatus;
- a reverse portion, comprising a reverse roller, configured to convey the sheet on which the toner image have been fixed on a first surface thereof by the fixing portion to the image forming portion again to form a toner image on a second surface opposite to the first surface thereof while the reverse roller rotating in a reverse rotating direction after rotating in a forward rotating direction;
- a drive source;
- a drive unit comprising a first drive train through which a driving force from the drive source is transmitted to the discharge roller, and a second drive train through which a driving force from the drive source is transmitted to the reverse roller;
- and
- a switching mechanism, provided on the second drive train, configured to switch a rotating direction of the reverse roller between the forward rotating direction and the reverse rotating direction with the discharge roller rotating in one direction.
5 more elements
Dependencies are inferred from the claim text.