DEVICE CONTROLLING LEAK OF LIQUID FROM EQUIPMENT, AS WELL AS PROVIDING HUMIDITY TO SHEET AT SAME TIME, AND PRINTING DEVICE

PROBLEM TO BE SOLVED: To provide a device furnishing humidity, as well as preventing a water leakage outside a system. SOLUTION: This device is, incorporating a reservoir for storing liquid of a certain quantity, a pair of rolls 103 and 105 being mutually held in contact with one other so as to define a nip on respective external periphery, and the metering roll 109 associated with the reservoir and one roll 103 of the pair of rolls. The metering roll 109, is forming the nip in company with the one roll 103 of the pair of rolls, and making the flow of controlled liquid directed from the reservoir oriented toward the nip area. A sealing 104 arranged on both ends of the metering roll 109 and the roll 103 forming the nip in company is, let to hold excessive liquid in the nip.