Ricoh Company, Ltd.

Kohhei Sakurada

Shinichi Akatsu

Tetsuya Muto

Keiji Kunimi

Hiroki Yamamura

Katsuya Akiba

Kohtaroh Harada

Yasuhito Shinchi

A printing system includes an image forming apparatus capable of performing visible printing and invisible printing and a terminal apparatus. The terminal apparatus includes first circuitry. The first circuitry adds a printing command instructing to invisibly print an image of a two-dimensional code obtained by two-dimensionally encoding a print target image to print data generated based on the print target image. The first circuitry transmits, to the image forming apparatus, the print data to which the printing command is added. The image forming apparatus including second circuitry. The second circuitry visibly prints the print target image based on the print data transmitted from the terminal apparatus, and invisibly prints the image of the two-dimensional code according to the printing command added.

Printing system for performing visible and invisible printing, terminal apparatus for the printing system, and non-transitory computer-executable medium for the printing system

An image forming apparatus includes an image forming device to form an image on an image bearer and circuitry configured to accept, from a user, an input of a density level selected from a plurality of different density levels and control an image forming condition under which the image forming device forms the image. The circuitry is configured to correct density unevenness of the image formed on the image bearer by the image forming device and correct the density unevenness of the image at the density level accepted. The density unevenness is unevenness appearing in a main scanning direction orthogonal to a direction of conveyance of the image bearer during image formation.

Image forming apparatus for correcting density unevenness

Growing community of inventors

Kanagawa, Japan

Kohhei Sakurada