US 10,890,856 B2
Image forming apparatus, method of controlling the same, and storage medium
Yukihiro Shindo, Abiko (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Aug. 20, 2019, as Appl. No. 16/545,360.
Claims priority of application No. 2018-160600 (JP), filed on Aug. 29, 2018.
Prior Publication US 2020/0073276 A1, Mar. 5, 2020
Int. Cl. G03G 15/04 (2006.01); G03G 15/043 (2006.01); G03G 15/01 (2006.01)
CPC G03G 15/04027 (2013.01) [G03G 15/0115 (2013.01); G03G 15/043 (2013.01); G03G 15/04018 (2013.01); G03G 15/04054 (2013.01)] 11 Claims
OG exemplary drawing
 
1. An image forming apparatus comprising:
a printer unit that prints an image on a sheet using a line head in which a plurality of light emitting devices are arranged;
a storage that stores information regarding light amounts corresponding to the light emitting devices of the line head;
a memory that stores instructions; and
a processor that executes the instructions stored in the memory to:
generate a mask pattern based on the information regarding the light amounts obtained from the storage and a target light amount, and
execute mask processing on halftone image data that is in positional correspondence with the light emitting devices using the generated mask pattern.