The present invention includes a main valve which is installed for the air injection into the ink tank 16 and the ink tank 16 containing that, the injection port 15 of the ink supplying method and a cleaning method of the package of the printing apparatus ( 1) at the start of its flow rate adjustment valves 6, and the ink tank (on-off valve 11 which is directly connected to the 16), a hose connected to the ink tank 16, 22, a hose 22 the pump chamber including a pump 23 provided in the middle (5) and, with the connection pipe 42 and the connector 25 receiving the ink by the pump 23, the buffer cylinder 26 and the one pump 23 for the operation and control, the position 1,2,3,4,5,6,7,8,9,10 pumps that control the respective pump (60,61,62,63,64, 65,66,67,68,69), and a washing operation with the switch 71, and a pump button 51 that controls the entire operation of the pump 23 for the washing operation panel package containing 100 in the ink supply apparatus of the automatic printing apparatus body, the parent Phase locking the valve; And filling the ink in the ink tank 16; After filling the ink, comprising the steps of exhausting the air in the ink supply line; When the air is completely fall stop the pump and, the position 1,2,3,4,5,6,7,8,9,10 pumps (60,61,62,63,64,65,66,67, 68 and 69) for pressing sequentially step by step by operating step of each of the pump determine the ink is the normal supply to the buffer tube (26); When the above operation has been verified, and characterized in that it comprises the step of connecting the connecting pipe 42 to the connector 25, the above-described air-exhaust phase, to separate the connection pipe 42 from the connector 25, step; Step opening connected to the ink tank 16 is installed able to deflate valve 7; Steps to open the valve 17 that is provided between the ink tank 16 and the buffer tube (26); Operation by pressing the panel pump button 51 from 100 in that it comprises the step of operating the pump, characterized in, that the cleaning method, the ink tank 16 is provided, and cleaning solution is connected to the wash tank 19 which contains, cleaning tank 19 is equipped with a main valve (1) and its flow rate adjustment valves 6 and the valve 10 to be directly connected to the washing tank 19, which air is supplied, the ink tank 16, the cleaning solution coupled vorticity return tank 32, cleaning fluid return tank 32 has a number of times, including a return pipe (28, 31) is cleaned from a wash tank (19) above washing liquid recovered cleaning solution to be introduced into the washing fluid return tank be so configured, and an end portion of the one return pipe (28), the connector 27 is installed, the cleaning operation when, the connection pipe 42 a is configured able to be connected to the connector on the connector (27), removed from the 25 packing in the ink washing device of the printing apparatus body, the stopper 20 of the cleaning tank 19 Filling the detergent sufficiently open; Comprising: pull out the connecting pipe 42 at the connector 25 is connected to the connector 27; After opening the valve 18 is provided so as to discharge the ink in the ink tank 16 is completely discharge the residual ink in the ink tank 16, further closing the valve 18; Steps to open the valve 21 provided in the connection between the washing tank 19 and the ink tank 16; By opening the main valve (1) for the air supply in the open position make the pressure of the pressure control valve 3, by supplying air directing the cleaning agent in the cleaning tank 19 to the ink tank (16); Locking the valve (21), and provided with connection valves 11 for air communication between the cleaning fluid return tank 32 and the ink tank 16, the discharge of the washing liquid is installed in the return pipe (28,31) placing successively opening the valve 29 to control; Through the pump button 51, the ink return pipe (28) with the cleaning agent the remaining operating the pump to the tank and pump lines by pressing the step of discharged through a discharge line (30); After locking the valve (29), locks the valve (11), comprising the steps of: opening the valve (21) transferring the cleaning agent in the ink tank (16); The step of locking the valve 21, stopping the pump operation when the open the valve 11, by pressing the pump button 51 appear to be completely freed and the cleaning agent is transferred in line bubble blossomed in the ink tank (16); Characterized by transferring the liquid in the post to lock the valve 11, cleaning fluid return tank 32 to the ink tank 16, and a step