Cartridge supply system and media

A cartridge (20) configured to be attached removably to a structure (600) mounting the cartridge device (50) printing, wherein the structure (600) of cartridge assembly is configured to receive a plurality of cartridges (20) fixed thereto and having a delivery tube of media, a terminal device side, a lever (800), a first (810) locking the device side and a second element (620 ) locking side device provided for each of the cartridges (20), and the supply tube impression material has a peripheral end to connect with the cartridge (20), wherein a Z axis is an axis parallel a central axis C of the delivery tube of media, an X axis represents an axis along which the supply tube media and terminal device side are arranged and which is perpendicular to axis Z and an axis Y represen ta an axis perpendicular to both the Z axis and the X axis, in a positive Z-axis direction represents a direction along the Z axis from a base end to the peripheral end of the supply tube media, a negative Z-axis direction represents a reverse direction to the positive direction of axis Z, a positive X-axis direction represents a direction along the X axis from the supply tube media to the terminal device side and a negative X-axis direction represents a reverse direction to the positive direction of the X axis, wherein the terminal device side is configured to be in contact with the cartridge (20) while a pressing force including applies a positive Z-axis component to the cartridge (20), so as to be electrically connectable with the cartridge (20), the first element (810) side locking device is configured as part the lever (800) to lock the cartridge (20) in a position on a positive side of the Z axis and on a positive side of the axis X of the terminal device side, the second element (620) side locking device it is configured to lock the cartridge (20) in a position on a positive side of the Z axis and on a negative side of the X axis of the delivery tube of media, and the lever (800) is configured to rotate about a center turning on a positive side of the Z axis on a positive side of the X axis of a locking position wherein the first element (810) side lock device locks the cartridge (20), so that moving the first element (810) side locking device locked position in the positive direction of the X axis and so allow the first element (810) side locking device locks and unlocks the cartridge (20), wherein a fixed state of the cartridge (20) to the structure (6 00) mounting the cartridge, the X axis, Y axis and Z relative to the cartridge axis corresponding to an axis X, Y axis and Z axis in the cartridge (20), the cartridge (20) comprising a first face (201) located on a negative side of the Z axis and a second face (202) located on a positive side of Z axis, as two sides facing each other in the Z axis direction; a third face (203) located on a positive side of the X axis and a fourth face (204) located on a negative side of the axis X, as two sides facing each other in the X axis direction and intersecting the first face (201 ) and the second side (202);