Image forming apparatus that ensures trial printing and recording medium therefor

A non-transitory computer-readable recording medium storing a program for controlling a computer of an image forming apparatus, the program causing the computer of the image forming apparatus to operate as:

• an image obtaining unit that obtains and stores original images of a plurality of pages;
• a copy number obtaining unit that obtains a first count of print copies;
• a set value obtaining unit that obtains and stores a set value that is applied to the original images;
• a set value applying unit that applies each of the one or more set values to the original images obtained by the image obtaining unit to generate and store one or more set value applied images;
• and
• a print performing unit that prints a specific count of copies of the set value applied images as trial printing, and prints, when one of the one or more set value applied images is selected as a print target, a second count of print copies of the selected one of the one or more set value applied images, the second count of copies being found by subtracting the specific count of copies from the first count of print copies
• the one or more set value applied images include at least a first set value applied image and a second set value applied image to which a different set value from the first set value applied image is applied,
• the set value obtaining unit obtains a replacement of at least one page of the first set value applied image with an identical page of the second set value applied image, as one of the one or more set values,
• the set value applying unit applies the different set value to the at least one page of the original images obtained by the image obtaining unit to newly generate the identical page of the second set value applied image to which the different set value is applied, and
• the set value applying unit replaces the at least one page of the first set value applied image with the newly generated identical page.