Image forming device with separately energisable image forming elements

摘要

An image forming device for registration of images built up of pixels (pixel patterns), provided with: one or more image registration units (7) each comprising a number of image forming elements and electronic drivers in order to energise each image forming element separately to form the pixels, control means (10) for controlling the various image forming functions of the image forming device, wherein the electronic drivers are provided with a circuit for measuring the output characteristic of each driver and in that the control means (10) comprise means for determining, by reference to the measured output characteristic, any malfunctioning of the image forming element driven by the associated driver and correction means for eliminating the malfunction or eliminating the visible effect thereof on the prints produced by the image forming device. <IMAGE>