Liquid spraying apparatus and method

Abstract

A printer is provided which sprays ink from nozzles to print recording paper P. It includes a paper feed/delivery mechanism () to carrying the paper P to which the ink is to adhere, nozzles () to spray the ink as droplets, an ink-spraying head () to spray the ink from the nozzles toward the paper P having been carried to a position opposite to the nozzles, an ink-spraying controller () to control the ink-spraying head () to spray the ink from the nozzles in predetermined timing, a temperature sensor () to detect the ambient temperature and/or humidity when spraying the ink from the nozzles, a speed discrimination unit () to judge whether the carrying speed of the paper P has been changed, a memory () having stored therein ink-spraying control data intended for controlling the spraying timing correspondingly to the type of the paper P, and a controller () to delay, when the carrying speed of the paper P has been increased in the process of printing, the timing of spraying ink in other color than black based on the temperature detected by the temperature sensor and ink-spraying control data for the type of the paper P, pre-stored in the memory, in relation to that which is before the carrying speed of the paper P is increased, thereby projecting the other ink than the black ink to a position to which the black ink is to be projected.