Producing document quality prints - using water-soluble ink, e.g. in franking machine, and coating prints with lacquer immediately after printing

摘要

A method of producing document quality prints using water soluble inks in ink jet printers involves covering each print, immediately after printing, with a transparent coating similar to lacquer which protects it against being changed by moisture. The coating can be applied to the print by spraying or roller and can be a cellulose or hardened resin lacquer. USE - E.g. for producing document quality prints from a franking machine