Patent attributes
A printing apparatus includes a first circulation pump which is provided in a channel between a print head and a first storage tank and which supplies ink from a second storage tank to the print head. The printing apparatus further includes a second circulation pump which is provided in a channel between the first storage tank and the second storage tank which supplies ink from the first storage tank to the second storage tank. The printing apparatus further includes a control unit which controls the driving of the first circulation pump and second circulation pump, and a detecting unit which detects the amount of ink stored in the second storage tank. The control unit controls the driving of the second circulation pump on the basis of a detection result by the detecting unit.