主权项 |
1. A method comprising:
automatically forming a queue of image descriptors, using a computerized device, each image descriptor in said queue comprising a number of pixels marked on an image and a time of marking said image using an image marking device, said queue comprising said image descriptors recorded over a selected time window; responsive to a new image descriptor being added to said queue, said new image descriptor having a new time mark:
automatically determining a queue window based on said new time mark and said selected time window, using said computerized device, andautomatically calculating a total number of pixels marked on images for all image descriptors in said queue window, using said computerized device; and automatically determining toner usage in said queue window based on said total number of pixels, using said computerized device. |