Ink-jet recording apparatus

摘要

The invention provides an ink jet recording apparatus comprising an ink jet recording head (7) for jetting an ink droplet in accordance with printing data; an ink cartridge (9,10) supplying ink to said recording head (7); capping means (13) for sealing said recording head; a suction pump (18) for evacuating said capping means to a negative pressure; suction control means (29) for controlling suction processing for discharging said ink by sucking said recording head (7) with said suction pump (18); and remaining ink level judging means (35) comprising means for judging a remaining ink level of said ink cartridge (9;10); wherein said remaining ink level judging means (35) integrates quantities of ink discharged from said recording head (7) to judge said remaining ink level; and wherein said suction control means (29) forbid to suck ink when said remaining ink judgement means (35) judges said remaining ink level to be equal to or smaller than said first judgement level. <IMAGE>