Ink-jet head
Ink-jet head
Ink-jet head
Ink-jet head
Ink-jet head
Ink-jet head
Ink-jet head
Ink-jet head
Ink-jet head
Ink-jet head
Ink-jet head
Ink-jet head
Ink-jet head
Ink-jet head
Ink-jet head
Ink-jet head
Ink-jet head
Ink-jet head and connecting structure
Ink-jet head and control method thereof
Ink-jet head and driving method of the same