Patent ID: 8081343

Claim:
An image forming system comprising: a resource information storage unit that stores form data to be combined with input print data; a first setting unit that determines a first image characteristic of the stored form data; a second setting unit that determines a second image characteristic of the input print data; a color conversion unit that determines that the first image characteristic and the second image characteristic are different and, in response to determining that the first image characteristic and the second image characteristic are different, performs color conversion on the form data based on the first image characteristic and performs color conversion on the print data based on the second image characteristic; a temporary storage unit that stores the color converted form data; a combining unit that combines the color converted form data with the color converted print data; and a limitation unit that performs color material amount limitation on a total color material amount of the color converted print data and the color converted form data in an overlap area, in which the color converted form data and the color converted print data overlap each other, to become equal to or less than a predetermined value.