| 摘要 |
An image forming device for registration of images built up of pixels (pixel patterns), provided with: one or more image registration units each including a number of image forming elements and electronic drivers in order to energize each image forming element separately to form the pixels, a control unit 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 unit determines, 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.
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