Supply liquid cartridge, and image forming apparatus having the supply liquid cartridge
AssigneeNoritsu Koki Co., Ltd.
InventorYoshihisa Sugata
Life of this patent
Estimating the term…
Abstract
An ink jet printer of the invention is comprised of: an ink cartridge including an ink pack enclosing an ink and an air injection pack arranged adjacent to the ink pack; and an air feed unit for feeding the air to the inside of the air injection pack on the basis of the control of a controller. When the air is injected from the air feed unit into the air injection pack, the volume of the ink pack is decreased so that the ink is discharged from the ink pack, as the volume of the air injection pack is increased. And, the ink, as discharged from the ink pack, is fed to a printing head so that it is discharged to a paper.
Claims8
A supply liquid cartridge comprising:
- an enclosing member enclosing a supply liquid;
- and
- a pressure member arranged adjacent to said enclosing member and enabled to decrease the volume of said enclosing member, as its volume is increased by a pressure medium fed to its inside.
An image forming apparatus comprising:
- a supply liquid cartridge comprising an enclosing member enclosing a supply liquid;
- a pressure member arranged adjacent to said enclosing member and enabled to decrease the volume of said enclosing member, as its volume is increased by a pressure medium fed to its inside;
- a pressure medium feed device capable of feeding the pressure medium to the inside of said pressure member;
- a control device for controlling the quantity of the pressure medium to be fed from said pressure medium feed device to the inside of said pressure member;
- and
- a discharge unit for discharging the supply liquid, as discharged from said enclosing member, to a recording medium.
Dependencies are inferred from the claim text.