example of a determination table 824 a for determining a required stop time table as shown in fig1 the stop time table to be used changes depending on the type of the platen 20 and the resolution of the image in the example of fig1 three different stop time tables are prepared depending on three kinds of resolution for each type of the platen according to the determination table 824 a in fig1 a stop time table t 111 is selected when the type of the platen indicated as u201c identification number u201d in fig1 is u201c 1 u201d and the resolution of the image is 450 dpi a stop time table t 112 is selected when the type of the platen is u201c 1 u201d and the resolution of the image is 600 dpi a stop time table t 113 is selected when the type of the platen is u201c 1 u201d and the resolution of the image is 1200 dpi a stop time table t 121 is selected when the type of the platen is u201c 2 u201d and the resolution of the image is 450 dpi a stop time table t 411 is selected when the type of the platen is u201c 7 u201d and the resolution of the image is 450 dpi a.