An image forming apparatus including: a forming section; a correction section configured to measure at least one of a position and a density of a formed image and perform a correction function for adjusting an image forming condition based on the measurement; a determination section configured to determine whether a color condition is satisfied; and a control section configured to selectively perform a first mode or a second mode if there is a print request while a correction execution condition satisfied, wherein in the first mode, the correction section is caused to perform the correction function, before a printing process begins in response to the print request, and wherein in the second mode, the correction section is caused to perform the correction function at least before the printing process to the color page data, on condition that the determination section determines that the color condition is satisfied.