To provide a technique for conducting proper printing control in response to an element used for forming an image.

In a recorder 1 for forming the image on a sheet based on printing data sent from an apparatus for forming printing data, information showing the kind of a sheet to be loaded in the recorder 1 is acquired by a sheet information reader 168, and the information showing the kind of the acquired sheet is stored by an EEPOM 165. A printing mode setting process system 200 for conducting the setting of the printing mode of the recorder acquires the information showing the kind of the sheet from the recorder 1, and conducts a mode setting process for setting the mode of the printing based on the information showing the kind of the acquired sheet.