Fuji Photo Film Company, Limited

Sonosuke Miyazaki

Masao Nakamura

Tomoaki Takekoshi

A photosensitive lithographic printing plate processing apparatus in which at least one of a gum solution and a plate baking conditioner stored in respective reservoirs is applied to a surface of a photosensitive lithographic printing plate that has been subject to developing processing. A solution-replenishing device supplies at least one of the gum solution and the plate baking conditioner to the respective reservoirs. A water-supplying device supplies water to the reservoirs. A concentration-measuring device measures a concentration of at least one of the gum solution and the plate baking conditioner which are stored in the respective reservoirs. A concentration-regulating device regulates the concentration of at least one of the gum solution and the plate baking conditioner by operating at least one of the water-supplying device and the solution-replenishing device in at least one of a case in which a measured value of the concentration, which is measured by the concentration-measuring device, differs from a predetermined value and a case in which the measured value of the concentration lies outside a predetermined range.

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Tokyo, Japan

Sonosuke Miyazaki