Ricoh Company, Ltd.

Screen Holdings Co., Ltd.

Seiya Murata

Yoshinari Suzuki

Kazuki Yasu

Yukihito Niino

Honriku Jo

Yoshitaka Akiyama

Disclosed is an image forming apparatus including an image forming unit that ejects droplets from an image forming apparatus, and forms an image on a surface of a printing medium, a pre-processing unit that applies a pre-processing liquid to the surface of the printing medium before the image is formed by the image forming unit, and a post-processing unit that applies a post-processing liquid different from the pre-processing liquid to the surface of the printing medium after the image is formed by the image forming unit. The pre-processing unit applies an amount of the pre-processing liquid which is determined based on a type of the printing medium and the post-processing unit applies an amount of the post-processing liquid which is determined based on the type of the printing medium.

Image forming apparatus using a pre-processing liquid and a post-processing liquid, and an image forming method using a pre-processing liquid and a post-processing liquid

An image forming apparatus discharges ink onto a recording medium to form an image on a surface of the recording medium. The image forming apparatus includes a preprocessing unit that applies preprocess liquid on the surface of the recording medium before the image is formed; and a postprocessing unit that applies postprocess liquid, which is different from the preprocess liquid, onto the recording medium after the image is formed. An application quantity of the preprocess liquid is determined based at least on a kind of the ink, and an application quantity of the postprocess liquid is determined based at least on the kind of the ink.

Image forming apparatus, image forming system, image forming method and printing method of printed matter

An ink cartridge container includes an ink bag made of flexible material to store ink internally, the ink bag having a corner at an internal bottom surface thereof and an ink outlet at an upper part thereof, an ink delivery tube made of elastic material and situated inside the ink bag to deliver the ink to the outside through the ink outlet, an ink outlet connector connected to the ink delivery tube at the ink outlet to supply the ink to the outside, and a bending part to have the ink delivery tube inside be curved to have the end thereof in contact with the corner at the internal bottom surface, wherein the ink delivery tube inside the ink bag is positioned to have an end thereof in contact with the corner at the internal bottom surface by the bending part.

Growing community of inventors

Kanagawa, Japan

Seiya Murata