High Depth Color Print Control Technology

Electrophotographic printers are required to provide photograph quality printing with the rapid implementation of color in an office environment and meet the needs for POD*1). The printing quality of conventional color electrophotographic printers is no longer capable of adequately satisfying the needs of customers. Furthermore, printing systems with a high resolution are used in the pre-press process for digital plate making systems that comprise a portion of offset printing processes, as the popularization of digital printing systems continues. Thus, a higher printing quality is required even in such markets. The ProQ Multi-level technology is a high depth color control system developed to respond to such needs with a more reasonable price range. This system realized the reproduction of gradation at the engine level for the first time with electrophotographic printers, our core product competence, which use a high definition LED printheads as the light source. This paper introduces a newly developed ProQ Multilevel technology, as well as related peripheral technologies.