This document stipulates the terms and definitions, basic requirements, promotion training requirements, evaluation requirements, application requirements, grade settings, work requirements for each grade, and promotion examination weight table of the professional evaluation standards for inkjet printing machine maintenance workers. This document is suitable for the professional skills evaluation of practitioners involved in the operation, repair, maintenance and upkeep of web-fed inkjet printing presses and similar equipment. The professional skills evaluation of employees working on other types of inkjet printing equipment can be used as a reference.