Patent ID: 7880903
Filing Date: 2011-02-01
Classification: G03G

Abstract:
1. An image forming device comprising: a printer which prints a color image in a color mode, prints a monochrome image in a monochromatic mode, and prints a two-color image in a two-color mode; a plurality of division counters which are associated with divisions to which users belong, respectively; a division undefined counter which is not associated with any specific division; a first counting unit which counts the number of pages printed by the printer in each mode by the division counters corresponding to the divisions to which users belong, if a division management function is valid and a color management function is invalid; a setting unit which sets whether to count the number of pages printed out by the printer in the two-color mode by the division counters or the division undefined counter, if both the division management function and the color management function are valid; and a second counting unit which counts the number of pages printed out by the printer in the monochromatic mode by the division undefined counter, the number of pages printed out by the printer in the color mode by the division counters corresponding to the divisions to which users belong, and the number of pages printed out by the printer in the two-color mode by the counter which is configured in the setting unit, if both the division management function and the color management function are valid.