Patent ID: 7222935
Filing Date: 2007-05-29
Classification: B41J

Abstract:
1. An apparatus for ink-jet recording, the apparatus for printing by emitting of a jet of ink onto a printing paper comprising: ink tanks installed removably in the apparatus, and configured to store ink; a reservoir tank configured to temporarily store waste ink generated by a printing head, said printing head configured for jetting ink supplied from the ink tanks onto the printing paper; waste ink tanks formed in one piece with the ink tanks, and configured to store waste ink discharged from the reservoir tank; a discharging unit configured to discharge waste ink from the reservoir tank into the waste ink tanks; a control unit configured to discriminate whether or not the waste ink tanks are empty, and to control the discharging unit to discharge waste ink of a predetermined quantity stored in the reservoir tank into the empty waste ink tank; and a waste ink sensor configured to detect the quantity of waste ink stored in the reservoir tank, wherein when the control unit detects that the quantity of waste ink stored in the reservoir tank exceeds a predetermined quantity based on a detection result of the waste ink sensor, the control unit controls the discharging unit to discharge waste ink of the predetermined quantity stored in the reservoir tank into the empty waste ink tank.