To provide an imaging apparatus in which predetermined information can be added onto a print image in order to facilitate tracking of a source printer upon occurrence of a crime.

An imaging system for forming images through a plurality of printers 300, 400, 500, 600 connected with a scanner 100 by a transmission medium 1000 through an image controller 2000 comprises means for grasping the imaging rates of the plurality of printers, means for grasping the transmission rate of the transmission medium between the image controller and each printer, and means for distributing an imaging amount to respective printers depending on the imaging rate and transmission rate thereof.