Image forming system and image forming method

An image forming method performed in an image forming system comprising an image forming unit that forms a normal image or an image to be foil-pressed on a recording material by use of at least one of a plurality of toners based on image data, and a foil pressing unit that transfers foil onto the image to be foil-pressed, the method comprising:

• receiving an operation of selecting a foil pressing mode of causing the image forming unit to form the image to be foil-pressed or a normal mode of causing the image forming unit to form the normal image;
• analyzing the image data and acquiring the amount of each toner used for forming an image based on the image data;
• and
• determining whether to interrupt the image forming operation based on the image data and based on the amount of each used toner acquired in the analyzing step,
• wherein when the amount of toner not used for the image to be foil-pressed is a predetermined first threshold or more based on the amount of each used toner acquired in the image data analysis step in the foil pressing mode, the image forming operation based on the image data is determined to interrupt in the determining step.

A non-transitory recording medium storing a computer readable program, the program executed by a computer in an image forming apparatus used in an image forming system comprising an image forming unit that forms a normal image or an image to be foil-pressed on a recording material by use of at least one of a plurality of toners based on image data, and a foil pressing unit that transfers foil onto the image to be foil-pressed, and the program causing the computer to perform:

• receiving an operation of selecting a foil pressing mode of causing the image forming unit to form the image to be foil-pressed or a normal mode of causing the image forming unit to form the normal image;
• analyzing the image data and acquiring the amount of each toner used for forming an image based on the image data;
• and
• determining whether to interrupt the image forming operation based on the image data and based on the amount of each used toner acquired in the image data analyzing step,
• wherein when the amount of toner not used for the image to be foil-pressed is a predetermined first threshold or more based on amount of each used toner acquired in the image data analysis step in the foil pressing mode, the image forming operation based on the image data is determined to interrupt in the determining step.