INK AND CLEANING LIQUID SET, INKJET PRINTING DEVICE, INKJET PRINTING METHOD, AND METHOD OF CLEANING NOZZLE SURFACE OF INKJET DISCHARGING HEAD

摘要

An ink and cleaning liquid set includes an ink comprising a coloring material and a resin and a cleaning liquid comprising water and at least one type of organic solvent, wherein the ink in a dried form has a glass transition temperature of from 40 to 90 degrees C. and the swelling ratio calculated from a mass of a film of the ink in a dried form before and after immersion in the cleaning liquid is 10 percent or greater according to the following relationship 1: swelling ratio (percent)=100×[(B−A)/A] Relationship 1, where A represents the mass of the film before the immersion and B represents the mass of the film after the immersion.