US 12,092,982 B2
Image forming apparatus and control method thereof
Keita Hidaka, Tsukuba (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Mar. 24, 2022, as Appl. No. 17/703,450.
Application 17/703,450 is a continuation of application No. 16/713,990, filed on Dec. 13, 2019, granted, now 11,300,914.
Claims priority of application No. 2018-246039 (JP), filed on Dec. 27, 2018.
Prior Publication US 2022/0214637 A1, Jul. 7, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. G03G 15/00 (2006.01)
CPC G03G 15/607 (2013.01) [G03G 15/5062 (2013.01); G03G 15/55 (2013.01); G03G 15/6558 (2013.01)] 14 Claims
OG exemplary drawing
 
1. An image forming apparatus comprising:
a printer;
a scanner to scan a recording medium;
a scanner bed;
an operation portion; and
one or more controllers including one or more processors and one or more memories, wherein the one or more controllers are configured to perform operations including:
causing the printer to form images on a plurality of recording mediums,
causing the scanner to scan, based on a first scan instruction received, a first image formed on at least a first recording medium placed on the scanner bed, wherein the first recording medium is selected from among the plurality of recording mediums, and then scan, based on a second scan instruction received separately from the first scan instruction, a second image formed on at least a second recording medium placed on the scanner bed, wherein the second recording medium is different from the first recording medium and is selected from among the plurality of recording mediums, and
generating correction data using data obtained by scanning the first image formed on the first recording medium and data obtained by scanning the second image formed on the second recording medium.