| 摘要 |
PURPOSE: To economically correct the density irregularity of an image caused by the temp. rise of a head within a real time. CONSTITUTION: When the image data supplied from an external device 101 is transmitted in synchronous relation to the printing timing of a head 103 from a head data transmitting control part 107, effective data is counted from image data by a dot count control part 108 and, when the count value reaches a predetermined value, a parameter altering request signal INT is supplied to an MPU 104 and, by this constitution, the width of a pulse signal for emitting ink is made variable and the heating time of a heater is shortened and temp. control is performed within a real time. |
