Image processing apparatus for viewing progress status of image output processing

A non-transitory storage medium having a program stored thereon and readable by a processor, the program, when executed by the processor, causing the processor to function as:

• a display controller configured to control a display to display a screen including a first display area and a second display area adjacent to the first display area and display in the first display area a processing page on which a processing is currently performed, the processing page including:
• a first part, on which the processing has not yet been performed;
• and
• a second part, on which the processing has already been performed,
• wherein the display controller is configured to control the display to display the first part of the processing page and the second part of the processing page in different display modes,
• wherein the display controller is configured to control the display to further display, simultaneously with the processing page, a plurality of processed pages on which the processing has already been performed in the second display area such that each time when the processing on the processing page on which the processing is currently performed has been completed, the completed processing page is displayed on a top of the plurality of processed pages to be overlapped thereon as the plurality of processed pages are shifted in relation to one another.