Printing apparatus, printing method and medium for previewing change in image quality

A printing method used in a printing apparatus, the printing apparatus including:

• a first nozzle configured to discharge an ink of a basic color to a print medium based on image data;
• and
• a second nozzle configured to discharge an ink of a special color different from the basic color to the print medium based on the image data,
• the method comprising:
• displaying, on a display, a first preview image together with a second preview image, the display being configured to display a preview image based on the image data, the first preview image corresponding to a first image to be formed by the ink of the basic color based on the image data, the second preview image corresponding to a second image to be formed by both of the ink of the basic color and the ink of the special color based on the image data;
• printing the first image by using the first nozzle, or printing the second image by using the first nozzle and the second nozzle, based on a selected preview image selected, by a user, from the first preview image and the second preview image;
• presenting the user with a plurality of items each indicating a priority item to be prioritized in formation of an image, corresponding to the preview image, on the print medium;
• generating first image data and second image data corresponding to the first preview image and the second preview image respectively;
• and
• sorting the first image data and the second image data, based on the priority item indicated by one of the plurality of items selected by the user.

A non-transitory computer-readable medium storing a print program that is executable by a controller of a printing apparatus, the printing apparatus including:

• a first nozzle configured to discharge an ink of a basic color to a print medium based on image data;
• and
• a second nozzle configured to discharge an ink of a special color different from the basic color to the print medium based on the image data,
• the program is configured to cause the controller to:
• display, on a display, a first preview image together with a second preview image, the display being configured to display a preview image based on the image data, the first preview image corresponding to a first image to be formed by the ink of the basic color based on the image data, the second preview image corresponding to a second image to be formed by both of the ink of the basic color and the ink of the special color based on the image data;
• print the first image by using the first nozzle, or print the second image by using the first nozzle and the second nozzle, based on a selected preview image selected, by a user, from the first preview image and the second preview image;
• present the user with a plurality of items each indicating a priority item to be prioritized in formation of an image, corresponding to the preview image, on the print medium;
• generate first image data and second image data corresponding to the first preview image and the second preview image respectively;
• and
• sort the first image data and the second image data, based on the priority item indicated by one of the plurality of items selected by the user.