OPTICAL PRINTING HEAD FOR OPTICAL PRINTING APPARATUS

摘要

An optical printing apparatus includes an optical printing head and a photosensitive member. Utilization of a light-emitting diode array as the optical printing head makes it possible to effect esthetically pleasing printing quietly. The diode array printing head suffers, however, from some problems: the head is difficult to drive, and dot pitch and brightness are difficult to adjust. These problems adversely affect printing quality. The optical printing head of the present invention has overcome the driving difficulty, although it is statically driven, by efficient distribution of data transfer. The printing head features a selective printing timing which makes it possible to improve the printing quality.