Druckkopfsteuerschaltung und Flüssigkeitsausstossgerät

Details

Veröffentlichungs-Nr.

EP4116100

Aktenzeichen

EP22183274

Anmeldetag

6. Juli 2022

Veröffentlichung

14. August 2024

Erteilung

14. August 2024

Rechtsraum

EP

IPC

B41J2/045

Abstract

In a printhead control circuit causing a printhead to execute printing, the printhead performing abnormality detection in response to a first signal inputted to a second terminal in a state in which the potential of a first terminal is a first potential and a second signal inputted to the second terminal in a state in which the potential of the first terminal is a second potential, one of the first and second potentials is higher than the potentials of the first and second signals, and a signal circuit is configured to output the first and second signals. The signal circuit outputs the first signal to the second wire electrically coupled to the second terminal in a state in which the first wire is being supplied with a first voltage signal at the first potential and outputs the second signal to the second wire after outputting the first signal in a state in which the first wire is being supplied with a second voltage signal at the second potential, which is different from the first potential, to cause the printhead to execute the abnormality detection in response to the first signal, the second signal, the first voltage signal, and the second voltage signal.

Anmelder

Firma

Seiko Epson Corporation

Land

🇯🇵 Japan

Fachgebiete