Toner usage estimation system

G - Physics – 03 – G

Patent

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G03G 15/08 (2006.01) G03G 21/02 (2006.01)

Patent

CA 2316210

A toner usage estimation system is provided, in which an image file is analyzed to determine the relative usage of one or more toners used to define an image on a substrate. The image file is analyzed as a basis for estimating the cost of processing a particular print job. In one embodiment, a pixel coverage counter is added in the hardware path of a printer to count pixel coverage mapping, which allows the consumable usage of toner to be determined. In another embodiment, a software approximation on the coverage of toner is determined, based on the use of a reduced resolution thumbnail of an image.

L'invention concerne un système permettant d'estimer l'usage du toner, dans lequel un fichier image est analysé de façon à déterminer l'usage relatif d'un ou plusieurs toners utilisés pour définir une image sur un substrat. Le fichier image est analysé de façon à servir de base pour l'estimation du coût du traitement d'une tâche d'impression particulière. Dans l'un des modes de réalisation, un compteur de couverture des pixels, ajouté dans le trajet matériel d'une imprimante, calcule le mappage de la couverture des pixels, ce qui permet de déterminer la consommation de toner. Dans un autre mode de réalisation, une approximation logicielle du pouvoir couvrant du toner est déterminée sur la base de l'utilisation d'une image de moindre résolution.

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