Image forming apparatus, image forming system and image forming method

An image forming system comprising:

• an image forming unit that prints an image on a transfer medium based on a job;
• a conveyance unit that conveys the transfer medium;
• and
• a control unit that controls the image forming unit and the conveyance unit,
• wherein the control unit has a function of printing a first additional image outside an image forming area of the transfer medium by the image forming unit, and
• wherein, when printing the first additional image, the control unit is capable of control of inhibiting printing of the first additional image on one or both of a leading transfer medium and a final transfer medium in a bundle of piled up transfer media.

An image forming method comprising:

• an image forming step of executing printing of an image to a transfer medium based on a job;
• and
• an additional image printing step of printing a first additional image outside an image forming area of the transfer medium,
• wherein, in the additional image printing step, a job of printing the first additional image to the transfer medium is inhibited from printing the first additional image to the transfer medium which is one or both of a leading medium and a final medium in a bundle of piled up transfer media.

An image forming method comprising:

• an image forming step of making printing of an image to a transfer medium be executed based on a job;
• and
• an additional image printing step of making a first additional image be printed outside an image forming area of the transfer medium,
• wherein, in the additional image printing step, a job of printing the first additional image to the transfer medium is inhibited from printing the first additional image to the transfer medium which is one or both of a leading medium and a final medium in a bundle of piled up transfer media.