| 摘要 |
An inkjet image-forming apparatus includes an inkjet head having a length corresponding to a width of a paper and a nozzle unit on which a plurality of nozzles are formed, and a maintenance unit that is formed on a lower side of the inkjet head to reciprocally move in a lengthwise direction of the inkjet head to maintain the inkjet head, and includes a carriage and a development maintaining unit attachably and detachably installed on the carriage, wherein the development maintaining unit includes a washing unit that washes away foreign materials contaminating the nozzle unit, using solvent waves generated by applying ultrasonic waves of an ultrasonic wave generation unit to a solvent contained in the washing unit, a wiping blade that wipes the foreign materials and the solvent remaining on a surface of the nozzle unit by contacting with the nozzle unit, and an ink container that contains ink ejected from the nozzles by a spitting operation of the nozzles.
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