US 2023/0341804 A1 · IMAGE FORMING APPARATUS

Abstract

An image forming apparatus includes an image forming portion, an oblique movement correcting portion including a first registration roller pair and a first moving portion, a reversing portion, and a re-feeding portion. The reversing portion includes a reversing roller pair and a second moving portion. The re-feeding portion includes a second registration roller pair. When an image is formed on a second surface of a sheet opposite from a first surface of the sheet, a side end position of the sheet is corrected by the second moving portion and oblique movement of the sheet is corrected, and then the side end position of the sheet is corrected again by the first moving means and the sheet is fed to the image forming portion.

Claims10

Dependent claims

1-13 (canceled)

An image forming apparatus comprising:

an image forming portion configured to form an image on a sheet;
a first conveying roller pair configured to nip and convey the sheet on which the image is formed on a first surface by the image forming portion;
a first moving portion configured to move the sheet in a widthwise direction of the sheet perpendicular to a feeding direction of the sheet in a state in which the sheet is nipped by the first conveying roller pair;
a second conveying roller pair disposed upstream of the image forming portion in the feeding direction, and configured to nip and convey the sheet to form, by the image forming portion, an image on a second surface of the sheet opposite to the first surface of the sheet;
and
a second moving portion configured to move the sheet nipped by the second conveying roller pair in the widthwise direction, after the sheet is moved in the widthwise direction by the first moving portion.

3 more elements

Dependencies are inferred from the claim text.

Facts

Application

18/346,991Filed 5 Jul 2023

Priority

JP 2020-0954081 Jun 2020

Published

26 Oct 2023

Term ends

Not estimatedThe source records don’t support an estimate.

Classification11 codes

G03G 15/6567
Feeding path after the copy sheet preparation and up to the transfer point, e.g. registering; Deskewing; Correct timing of sheet feeding to the…:…
B65H 7/10
Responsive to presence of faulty articles or incorrect separation or feed: responsive to incorrect side register
B65H 9/002
Registering, e.g. orientating, articles; Devices therefor: changing orientation of sheet by only controlling movement of the forwarding means,…
G03G 15/235
By inverting and refeeding the image receiving material with an image on one face to the recording member to transfer a second image on its…

Image forming apparatus

Life of this patent

Image forming apparatus

Life of this patent

Abstract

Claims10