Ricoh Company, Ltd.

Ryusaku Hida

Kazuaki Kamihara

Kohki Asada

Hiroshi Sawase

Kenji Nozawa

Masato Ogawa

Genichiroh Kawamichi

Yoshihiro Takahashi

Takayuki Seki

Daisuke Nakamura

Shun Saito

Kazuhiro Shimojima

A conveyance device includes a conveyance member, a guide, and a rotator. The conveyance member has a conveyance surface with a joint, the conveyance member to convey an object to be conveyed, with the object on the conveyance surface. The guide approaches the conveyance surface and guides the object from or to the conveyance member. The rotator contacts the conveyance surface. The guide displaces in a direction perpendicular to the conveyance surface, in conjunction with displacement of the rotator when the rotator contacts the joint.

Conveyance device, drying device, image forming apparatus, and liquid discharge apparatus

A heating device includes a conveyor configured to convey a sheet, the sheet having a first surface on which a liquid is applied and a second surface contacting the conveyor, a first heater facing the first surface opposite to the second surface of the sheet, the first heater configured to heat the sheet, and a second heater configured to heat the conveyor.

Heating device, dryer, liquid discharge apparatus, and printer

A heater includes an irradiator configured to irradiate a heating object including a liquid attachment region, onto which a liquid is applied, with an active energy ray, and circuitry configured to control an output of the active energy ray emitted from the irradiator to an edge portion in the liquid attachment region of the heating object to be larger than an output of the active energy ray emitted from the irradiator to a non-edge portion in the liquid attachment region excluding the edge portion.

Heater, liquid discharge apparatus, and printer

A liquid discharge apparatus includes a first liquid that generates heat in an absorption wavelength region of an active energy ray, a first discharger configured to discharge the first liquid, a second liquid that starts polymerization in the absorption wavelength region of the active energy ray, a second discharger configured to discharge the second liquid, and an irradiator configured to irradiate the first liquid and the second liquid with the active energy ray.

Liquid discharge apparatus, printer, and liquid discharge method

A sheet heater includes a first conveyance belt configured to convey a sheet on which a liquid has been discharged in a conveyance direction, a heating unit facing the first conveyance belt, the heating unit configured to heat the sheet conveyed by the first conveyance belt, and a second conveyance belt disposed upstream of the first conveyance belt in the conveyance direction, the second conveyance belt configured to convey the sheet to the first conveyance belt. A surface temperature of the second conveyance belt is lower than a surface temperature of the first conveyance belt when the first conveyance belt and the second conveyance belt convey the sheet.

Sheet heater, liquid discharge apparatus, and printer

A heating device includes a blower configured to blow air, the blower comprising a channel member defining a channel of the air, and a heater disposed outside the channel member. The channel member has end portions and a central portion in a longitudinal direction, each of the end portions having higher heat absorption property than the central portion, and said each of end portions of the channel member faces the heater.

Heating device, liquid discharge apparatus, and printer

A dryer includes a first airflow generator configured to generate a first airflow to be blown to a sheet conveyed in the blower, a second airflow generator configured to generate a second airflow to exhaust air in the blower outside the blower, and circuitry configured to control the first airflow generator and the second airflow generator to control a blowing amount of the first airflow and an exhaust amount of the second airflow according to a type of the sheet.

Dryer, printer, and blower

A sheet conveyor includes a conveyance belt configured to rotate to convey a sheet on which a liquid has been applied in a conveyance direction, and a guide configured to guide the sheet to the conveyance belt, a position of the guide being variable in the conveyance direction.

Liquid discharge head, liquid discharge device, and liquid discharge apparatus

A sheet conveyor includes an endless conveyance belt configured to rotate to convey a sheet, a belt heater configured to heat the conveyance belt; and circuitry configured to control the conveyance belt to rotate. The conveyance belt has a belt joint joining both ends of a sheet member to form the conveyance belt, and the circuitry controls the conveyance belt to rotate to receive the sheet in an area of the conveyance belt other than the belt joint of the conveyance belt.

Sheet conveyor, sheet heater, liquid discharge apparatus, and printer

A heating device includes a heat irradiator configured to heat a sheet on which a liquid is applied and is conveyed in a conveyance direction, an ultraviolet irradiator on a downstream of the heat irradiator in the conveyance direction, the ultraviolet irradiator configured to heat a portion of the sheet, and a circuitry configured to control an output of the heat irradiator and an output of the ultraviolet irradiator based on a thickness of the sheet.

A heating device includes a conveyor configured to convey a sheet onto which a liquid is applied in a conveyance direction, an irradiator including a light emitter on an irradiation surface of the irradiator, the light emitter configured to emit light onto the sheet to heat the sheet with the light, a channel plate between the conveyor and the irradiation surface of the irradiator, an airflow generator configured to generate an airflow along the irradiation surface between the irradiation surface of the irradiator and the channel plate, and a suction device configured to suck and discharge the airflow in a direction from the irradiation surface of the irradiator toward the conveyor.

Growing community of inventors

Kanagawa, Japan

Ryusaku Hida