Inkjet recording apparatus

摘要

Curing processing is realized according to differences in absorption characteristics of activation light among inks and characteristics of layers to be formed with the inks. A scanning device reciprocally moves in a first direction an inkjet head including a first nozzle array ejecting a first ink and a second nozzle array ejecting a second ink; a relative movement device relatively moves a recording medium in a second direction with respect to the head; an ejection control device divides the nozzle array into regions in the second direction and controls ink ejection for each unit of the divided nozzle region; an activation light irradiation device irradiates the inks deposited on the medium with the activation light; an irradiation region dividing device divides an irradiation range into divided irradiation regions corresponding respectively to the divided nozzle regions; and a light quantity control device controls light quantities respectively for the divided irradiation regions.

主权项

1. An inkjet recording apparatus, comprising:
an inkjet head which has a plurality of nozzle arrays including a first nozzle array in which a plurality of nozzles configured to eject a first ink that is cured by irradiation with activation light are arranged, and a second nozzle array in which a plurality of nozzles configured to eject a second ink that has a curing characteristic different from a curing characteristic of the first ink are arranged; a scanning device which is configured to reciprocally move the inkjet head in a first direction with respect to a recording medium on which the first ink and the second ink ejected from the inkjet head are deposited; a relative movement device which is configured to relatively move the recording medium with respect to the inkjet head in a second direction that is not parallel to the first direction; an ejection control device which is configured to control ink ejection of the inkjet head for each of units of divided nozzle regions obtained by dividing each of the nozzle arrays into a plurality of regions in the second direction; an activation light irradiation device which is configured to irradiate the inks deposited on the recording medium with the activation light; an irradiation region dividing device which is configured to divide a range irradiated with the activation light by the activation light irradiation device into a plurality of divided irradiation regions corresponding respectively to the divided nozzle regions; and a light quantity control device which is configured to control light quantities respectively for the divided irradiation regions divided by the irradiation region dividing device, wherein the activation light irradiation device includes: a first activation light irradiation device which is moved with the inkjet head by the scanning device and serves as a temporary curing device that is configured to irradiate the inks deposited on the recording medium with the activation light of such a level as to incompletely cure the inks; and aside from the first activation light irradiation device, a second activation light irradiation device which serves as a permanent curing device that is configured to irradiate the inks deposited on the recording medium with the activation light of such a level as to permanently cure the inks, wherein the light quantity control device is configured to control emission light amounts of the first activation light irradiation device respectively for the divided irradiation regions.