| 摘要 |
An image forming device comprises a printer having a color mode and a monochromatic mode and a display unit which displays an operation screen. The image forming device holds identification information of a division to which a user belongs, the identification information being input by the user, in a management mode to manage the number of pages printed in a color mode by the printer for each division to which each user belongs. In a case where the operation mode of the printer is changed to the color mode, the image forming device displays the operation screen to accept a printing request in the color mode, when the identification information is held, and displays an input guidance to urge that the identification information of the division to which the user belongs be input, when the identification information is not held.
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