INK RIBBON FOR PRINTING INFORMATION OR THE LIKE PRINTED TO PHOTOGRAPHIC PAPER, AND IMAGE FORMING METHOD ONTO PHOTOGRAPHIC PAPER

摘要

PROBLEM TO BE SOLVED: To improve the reliability of an automatic developing machine having a printer by a method wherein the more satisfactory information quality of a photograph given from the developing machine is realized.;SOLUTION: This ink ribbon is one for a dot-impact type printer for printing information or the like printed on the rear side of a photographic paper. As the ink infiltrated into the ink ribbon, an ink composition consisting of an oil-based agent component made of at least one kind or more selected from the group consisting of an unsaturated fatty acid, a phosphate and a nitrogen- containing type nonionic surface active agent and a nigrosine-based dye is employed.;COPYRIGHT: (C)2001,JPO