| 摘要 |
PROBLEM TO BE SOLVED: To provide an image forming device capable of accurately controlling a replenishment amount to a head tank. SOLUTION: A negative pressure detection lever 106, which is displaced according to negative pressure, is provided displaceably in the head tank 35. When an ink filling (replenishment supply) operation is executed to the head tank 35, ink supply is executed until an opening amount of the negative pressure detection lever 106 becomes a decided opening amount after deciding the opening amount of the negative pressure detection lever 106 on the basis of opening amount data of the negative pressure detection lever 106 in the head tank 35. COPYRIGHT: (C)2007,JPO&INPIT |
