
A photo-sensitive printing plate automatic processing apparatus for holding a photo-sensitive printing plate upon which an image has been exposed, between pairs of conveyor rollers and processing it by processing liquids while conveying it along a conveyor path, has pipe members having spray outlets for spraying processing liquid, supported at both their ends on both sides of the conveyor rollers. One of the ends of each of these pipe members is provided with a spring to predispose the pipe memb...











