Patent · US Active

Image forming apparatus and method to adjust amount of sheet medium between upstream roller and downstream roller in conveyance direction

US12296578B2 · kind B2 · utility

0Cited by
0References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 22, 2022
Grant dateMay 13, 2025
Priority date
Expiry dateMay 5, 2043

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41J11/663
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

An image forming apparatus includes a controller that performs one or more times a first image forming process including performing image formation on a sheet medium, and conveying the sheet medium in a conveyance direction by rotating a first roller by a first number of rotations and rotating a second roller disposed downstream of the first roller in the conveyance direction by a second number of rotations smaller than the first number of rotations. When a count of times the first image forming process has been performed becomes a particular number of times, the controller performs a second image forming process including performing image formation on the sheet medium, and conveying the sheet medium by rotating the first roller by a third number of rotations smaller than the first number of rotations and rotating the second roller by the second number of rotations.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.