公开(公告)号：US20210178767A1

公开(公告)日：2021-06-17

申请号：US16987541

申请日：2020-08-07

Applicant: Keyence Corporation

Inventor： Atsushi KITAMURA ,  Takanori ANDO ,  Minoru TANEDA ,  Mamoru IDAKA

IPC: B41J2/165 ,  B41J2/17

Abstract: To prevent a printing head not placed on a cleaning placing unit from being cleaned and prevent contamination of an ambient environment by cleaning liquid. An ink jet recording system includes a placement detecting unit configured to detect that a printing head 1 is placed on a cleaning placing unit 200. The placement detecting unit is configured to, when detecting that the printing head 1 is placed, transmit a signal based on placement confirmation for the printing head 1 to a controller connected to the printing head 1 placed on the cleaning placing unit 200.

公开(公告)号：US20210070054A1

公开(公告)日：2021-03-11

申请号：US16987531

申请日：2020-08-07

Applicant: Keyence Corporation

Inventor： Mamoru IDAKA ,  Atsushi KITAMURA

IPC: B41J2/165 ,  B41J2/045

Abstract: An ink jet recording apparatus I includes a printing head 1 configured to house, on the inside, a nozzle 12, a charging electrode 13, a deflection electrode 15, and a gutter 16, a maintenance-pattern storing unit 102b configured to store, respectively in association with types of abnormalities, a plurality of kinds of maintenance operations executable in the ink jet recording apparatus I, a flag storing unit 102a configured to store occurrence of an abnormality in the ink jet recording apparatus I as an error flag corresponding to a type of the abnormality, and a control unit 101 configured to select, based on the type of the abnormality corresponding to the error flag stored in the flag storing unit 102a, one maintenance operation out of the plurality of kinds of maintenance operations stored in the maintenance-pattern storing unit 102b and execute the maintenance operation.