INK JET HEAD, INK JET CARTRIDGE, PRINTER, AND INK JET PRINTING METHOD

摘要

PURPOSE: To provide an ink jet head which allows optimal use of advance supply or/and follow-up supply can be made in ink jet printing. CONSTITUTION: In an ink jet head equipped with an ink discharge head to discharge ink and a liquid discharge head to discharge a print quality improving liquid which is given to a printing medium to improve the printing quality in ink jet printing, a liquid discharge head 2002 is arranged in such a manner that allows it to be pinched by a pair of color ink discharge heads 2001 and 2003 which discharge color ink.