A terminal receives contents to be written on a note by a user, a server stores and manages print data generated by a plurality of users and outputs the print data to an image forming apparatus which outputs the print data in the form of an adhesive note. The image forming apparatus includes a de-curl unit for correcting the curl of a recording medium and causes the recording medium on which printing is performed to be popped out through an outlet. The server communicates with a plurality of terminals and includes a control unit which generates a virtual conference space by assigning a storage address to the virtual conference space when a request of generating a virtual conference space and identification information on an image forming apparatus to be used in the virtual conference space from among the plurality of terminals is received.