摘要:
A method for printing a reproduction of an image, using toner particles, comprising the steps of:
a) obtaining disgital image data of at least two density separations of said image, b) feeding image data corresponding to one of the sub-images to a printing station containing toner particles with a first chromaticity and a first optical density, c) image-wise applying the toner particles on an image receiving member thus forming a first toner image in correspondence to the image data and d) repeating, with toner particles having a chromaticity substantially equal to the first chromaticity and an optical density substantially equal to the first optical density, steps b) and c) at least once more for bringing at least one further toner image, corresponding to a further sub-image, on the image receiving member in register with the first toner image.
摘要:
Techniques for achieving high resolution, high-speed gray scale printing with binary spatial light modulators. A spatial light modulator array is divided into subarrays, and the subarrays are illuminated at various levels (510, 512, 514, 516) of a modulated light source. Additionally, each pixel (520) can be divided up into four phases and printed in phase pairs.