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DEVELOPMENT REPLENISHER SUPPLEMENT METHOD OF AUTOMATICALLY DEVELOPING MACHINE FOR PHOTOSENSITIVE LITHOGRAPHIC PRINTING PLATE
DEVELOPMENT REPLENISHER SUPPLEMENT METHOD OF AUTOMATICALLY DEVELOPING MACHINE FOR PHOTOSENSITIVE LITHOGRAPHIC PRINTING PLATE
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机译:光敏石印版自动制版机的开发补充方法
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摘要
PROBLEM TO BE SOLVED: To provide a development replenisher supplement method of an automatically developing machine for a photosensitive lithographic printing plate by which variation of sensitivity of a developer to the change of a developing treatment condition using a development replenisher having concentration of an electrolyte and a dregs dispersant higher than that of the developer can be suppressed to the minimum and dregs are not generated while a developing part of the automatically developing machine is made to be a simple and inexpensive construction.;SOLUTION: The development replenisher having concentration of the electrolyte and the dregs higher than that of the developer is supplemented for compensating reduction of development activity at the time of working and/or suspension of the automatically developing machine based on a preset supplement condition. After the development replenisher is supplemented for compensating reduction of developer activity due to treatment of a photosensitive material based on the preset supplement condition, when a measured value of electric conductivity of the developer to which the replenisher is supplemented is greater than the target value of electric conductivity calculated by using a replenisher replacement ratio and/or a supplement ratio in time and/or a developer dilution ratio, a dilution liquid is supplemented in a development vessel until the measured value of the electric conductivity is made to be lower than the target value of the electric conductivity.;COPYRIGHT: (C)2005,JPO&NCIPI
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