Recently, the demand of Inkjet printers is remarkably increasing for office use. High-speed printing on plain papers, however, have been producing unsatisfactory image quality in terms of feathering, optical density, print through and so forth. On the other hand, double-sided printing by inkjet printers require long drying time so that the practical use has been limited.As an efficient inkjet printer for practical office use, the performance of high-speed printing and double-sided printing quality have to be improved.Then, we made quick-drying and restrained feathering ink by changing pigment content and solvent composition. We compared and examined print characteristics among samples with different surface tension and viscosity.As a result, we developed ink with high plain paper compatibility for inkjet printers.