公开(公告)号：US20180015726A1

公开(公告)日：2018-01-18

申请号：US15716728

申请日：2017-09-27

Applicant: SHIBAURA MECHATRONICS CORPORATION

Inventor： Hitoshi AOYAGI ,  Azusa HIRANO ,  Yasutsugu TSURUOKA

IPC: B41J2/175 ,  A61J3/06 ,  B05C11/10 ,  B05D1/26

CPC classification number: B41J2/175 ,  A61J3/007 ,  A61J3/06 ,  B05C5/00 ,  B05C11/10 ,  B05D1/26 ,  B05D2258/02 ,  B41J2/17509 ,  B41J2/17566

Abstract: According to one embodiment, a tablet printing apparatus includes: a conveyor; an inkjet head configured to eject ink from a nozzle to a tablet conveyed by the conveyor to perform printing; an ink tank configured to contain the ink to be supplied to the inkjet head; a moving device configured to change the height of the ink tank; and a control unit configured to control the moving device. The control unit controls the moving device to change the height of the ink tank based on a use amount of the ink figured out in advance to maintain a head difference between the height of the liquid level of the ink in the ink tank and the height of a nozzle forming surface, where the nozzle is formed in the inkjet head, at a predetermined value.