To provide an image formation apparatus which prints the most necessary part based on the remaining amount of paper, when the remaining amount of paper for print completion is insufficient, according to change in printing conditions ordered by a user.

The number of paper sheets required for carrying out image formation in accordance with main print data and print conditions is compared with the remaining amount of the paper sheets placed on a paper tray of the image formation apparatus to determine whether all of the main print data can be subjected to image formation without changing the print conditions. When all of the main print data stored in the storage unit cannot be subjected to image formation without changing the print conditions, that fact is informed to an operation display part of the image formation apparatus. Along with the informing, a print condition changing order reception screen is shown, and change of the print conditions ordered by the user is received. Based on the changed print conditions, the main print data stored in the storage unit is subjected to image formation on predetermined paper.