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199results about How to "Guaranteed high-quality imaging" patented technology

Inkjet recording apparatus and recording method

An inkjet recording apparatus has: a recording head of an inkjet type having a liquid ejection surface where a plurality of nozzles which eject liquid are arranged, a supply port which supplies the liquid to an internal flow channel connected to the plurality of nozzles, and an outlet port which is connected to the supply port via the internal flow channel and through which the liquid in the internal flow channel is expelled; a first liquid chamber which is connected to the supply port of the recording head via a first external flow channel; a second liquid chamber which is connected to the outlet port of the recording head via a second external flow channel; a liquid buffer chamber which stores the liquid supplied from a liquid supply source; a first connecting flow channel which connects the first liquid chamber to the liquid buffer chamber; a second connecting flow channel which connects the second liquid chamber to the liquid buffer chamber; a first pressure determination device which determines an internal pressure of the first liquid chamber; a second pressure determination device which determines an internal pressure of the second liquid chamber; a liquid movement device which moves the liquid between the first liquid chamber, the second liquid chamber and the liquid buffer chamber; and a pressure control device which controls the liquid movement device in accordance with determination results of the first pressure determination device and the second pressure determination device in such a manner that interiors of the first liquid chamber and the second liquid chamber respectively assume prescribed pressures, wherein the pressure control device controls the liquid movement device so as to adjust the internal pressures of the first liquid chamber and the second liquid chamber in such a manner that a prescribed pressure differential between the internal pressures of the first liquid chamber and the second liquid chamber is produced and a prescribed back pressure is applied to the liquid inside the plurality of nozzles of the recording head.
Owner:FUJIFILM CORP +1

Image forming apparatus and method

The image forming apparatus comprises: a first inkjet head which ejects ink for forming a first image to be recorded on a recording medium; a first intermediate transfer medium on which the first image is formed by the ink ejected from the first inkjet head, the first intermediate transfer medium having a structure that includes an elastic body in a first image formation area in which the first image is formed; a second inkjet head which ejects ink for forming a second image to be recorded on the recording medium; a second intermediate transfer medium on which the second image is formed by the ink ejected from the second inkjet head, the second intermediate transfer medium having a structure that includes an elastic body in a second image formation area in which the second image is formed; and a transfer recording device which transfers and records the first image and the second image to a first surface of the recording medium in contact with the first image formation area and a second surface of the recording medium in contact with the second image formation area, while holding the recording medium between the first intermediate transfer medium and the second intermediate transfer medium, and conveying the recording medium with respect to the first intermediate transfer medium and the second intermediate transfer medium.
Owner:FUJIFILM CORP

Image forming apparatus

The image forming apparatus comprises: a liquid ejection head including a plurality of nozzles arranged in a prescribed pattern in a first direction and a plurality of pressure generating elements provided to correspond with the plurality of nozzles respectively, wherein liquid is ejected toward a recording medium from the nozzles by supplying drive signals to the pressure generating elements; a plurality of drive waveform generating circuits which generate drive signal waveforms for driving the pressure generating elements; a circuit selection device which selectively switches the drive waveform generating circuits for applying the drive signal waveforms to the pressure generating elements, of the plurality of drive waveform generating circuits; a power source which supplies power to the pressure generating elements via the drive waveform generating circuits; and a control device which selects a first drive waveform generating circuit used for driving each of the pressure generating elements, with respect to each of the pressure generating elements, of the plurality of drive waveform generating circuits, in such a manner that the liquid ejected from the nozzles is deposited substantially linearly in the first direction on the recording medium, and controls the circuit selection device in such a manner that the first drive waveform generating circuit is connected to each of the pressure generating elements.
Owner:FUJIFILM CORP
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