申请人:FUJI XEROX CO., LTD.
公开号:US20040254264A1
公开(公告)日:2004-12-16
Ink jet recording method and apparatus is provided in which a color image is recorded by discharging, onto a recording medium, a black ink and at least one of a cyan ink, a magenta ink and a yellow ink from a black-ink recording head that ejects the black ink onto the recording medium, and a color-ink recording head that ejects the at least one of a cyan ink, a magenta ink and a yellow ink onto the recording medium, wherein the black ink contains carbon black, water, a water-soluble organic solvent, and a water-soluble polymer having an anionic functional group, and has a drying time of 5 seconds or more on the recording medium, and at least one type of the color ink contains a color material, water, a water-soluble organic solvent, and a coagulating agent, and has a drying time of 5 seconds or less on the recording medium.
本发明提供了喷墨记录方法和设备,通过将黑色墨水喷射到记录介质上的黑色墨水记录头,以及将青色墨水、品红色墨水和黄色墨水中的至少一种喷射到记录介质上的彩色墨水记录头,将黑色墨水和青色墨水、品红色墨水和黄色墨水中的至少一种墨水喷射到记录介质上,从而记录彩色图像、其中,黑色墨水含有炭黑、水、水溶性有机溶剂和具有阴离子官能团的水溶性聚合物,在记录介质上的干燥时间为 5 秒或更长;至少一种彩色墨水含有色料、水、水溶性有机溶剂和凝固剂,在记录介质上的干燥时间为 5 秒或更短。