Image forming system

An image forming system comprising:

• a plurality of image forming apparatuses that cause a can body to make an orbital movement around a center of movement as a center, each of the plurality of image forming apparatuses including a plurality of image forming portions that form an image onto the can body, being arranged in a state of including the plurality of image forming portions, and being arranged radially around a center of arrangement as a center;
• and
• a conveying unit that passes through each of the plurality of image forming apparatuses and conveys a can body to each of the plurality of image forming apparatuses,
• wherein the conveying unit is provided to pass through a side closer to the center of arrangement than the center of movement of each image forming apparatus that constitutes the plurality of image forming apparatuses.

An image forming system comprising:

• a plurality of image forming apparatuses that are arranged radially around a predetermined center of arrangement as a center, form an image on a received can body, and discharge the can body on which the image has been formed;
• a first conveying unit that conveys a can body to a can-body receiving position provided in each of the plurality of image forming apparatuses;
• and
• a second conveying unit that conveys a can body discharged from a can-body discharging position provided in each of the plurality of image forming apparatuses,
• wherein the can-body receiving position and the can-body discharging position provided in each of the plurality of image forming apparatuses are provided on a side closer to the center of arrangement.

An image forming system comprising:

• a first image forming portion that forms an image on an outer circumferential surface of a can body rotating in a circumferential direction;
• a first obtaining unit that obtains information related to rotation angle of the can body when image formation by the first image forming portion is started;
• a second image forming portion that forms an image on the can body rotating in the circumferential direction after the image is formed on the can body by the first image forming portion;
• a second obtaining unit that obtains information related to rotation angle of the can body when image formation by the second image forming portion is started;
• a data storing portion that stores image data of the image formed by the second image forming portion;
• and
• a determination unit that determines a starting position of reading of image data used by the second image forming portion based on the information related to the rotation angle obtained by the first obtaining unit and the information related to the rotation angle obtained by the second obtaining unit,
• wherein the second image forming portion forms an image on the outer circumferential surface of the can body rotating in the circumferential direction by use of the image data successively being read from the starting position of reading determined by the determination unit.