Patent ID: 9446596
Filing Date: 2016-09-20
CPC Classification: B41J

Claim Text:
1. An inkjet printer for changing, depending on a plurality of printing modes, a conveyance amount and a carriage speed of a recording medium to be conveyed intermittently, ejecting ink from a recording head, and recording an image onto the recording medium, the inkjet printer comprising: the recording head for ejecting the ink to the recording medium from a plurality of nozzles; a conveyance device for conveying the recording medium; a carriage having the recording head mounted therein, the carriage being reciprocable in a direction intersecting with a conveyance direction of the recording medium; a platen arranged so as to be opposed to a surface of the recording head on which the plurality of nozzles are arranged, for holding the recording medium being conveyed by the conveyance device; a housing having at least the platen and the carriage accommodated therein; a first ionizer for generating a positive ion; a second ionizer for generating a negative ion; a first drive circuit for driving the first ionizer; a second drive circuit for driving the second ionizer; a controller for controlling the first drive circuit and the second drive circuit; a storage device for storing a plurality of parameters respectively for the plurality of print modes, each of the plurality of parameters being for supporting an on operation and an off operation of each of the first ionizer and the second ionizer in association with a corresponding one of the plurality of the printing modes; a housing-suction device arranged on a rear surface side of the housing, for sucking a gas from an outside to an inside of the housing; a front paper guide provided on a downstream side of the platen in the conveyance direction, for guiding the recording medium onto which the images has been recorded; and a cover arranged so that a distal end thereof is located at a distance from the front paper guide, the distal end being located lower in a vertical direction than the surface of the recording head on which the plurality of nozzles are arranged, the cover being connected to the housing so as to be rotatable, wherein the first drive circuit and the second drive circuit are controlled by the control means independently of each other, wherein the controller acquires one of the plurality of printing modes of the inkjet printer, acquires a corresponding one of the plurality of parameters associated with the acquired printing mode from the storage device, and controls, based on the acquired parameter, in each scan of the carriage, the on operation and the off operation of the first ionizer and the second ionizer, wherein the cover is arranged so as to approach the front paper guide toward the distal end, wherein the front paper guide is curved in the vertical direction, and wherein a part of the gas sucked by the housing-suction device is discharged from a portion between the front paper guide and the cover.