Image output device for improving image resolution and tone expression

A color ink cartridge, installed in an image output device, having a yellow ink tank filled with yellow ink, a magenta ink tank filled with magenta ink, and a cyan ink tank filled with cyan ink, the color ink cartridge further comprising:

• a yellow ink nozzle, connected with the yellow ink tank, for ejecting the yellow ink;
• a magenta ink nozzle, connected with the magenta ink tank, for ejecting the magenta ink;
• and
• a cyan ink nozzle, connected with the cyan ink tank, for ejecting the cyan ink,
• wherein a diameter of the magenta ink nozzle is different from a diameter of the yellow ink nozzle, and a diameter of the cyan ink nozzle is different from the diameter of the yellow ink nozzle in the same time.

An image output device, comprising:

• a first color ink cartridge, having a yellow ink tank filled with yellow ink, a first magenta ink tank filled with magenta ink, and a first cyan ink tank filled with cyan ink, the first color ink cartridge further comprising:
• a yellow ink nozzle, connected with the yellow ink tank, for ejecting the yellow ink;
• a first magenta ink nozzle, connected with the first magenta ink tank, for ejecting the magenta ink;
• and
• a first cyan ink nozzle, connected with the first cyan ink tank, for ejecting the cyan ink;
• a second color ink cartridge, having a black ink tank filled with black ink, a second magenta ink tank filled with magenta ink, and a second cyan ink tank filled with cyan ink, the second color ink cartridge firther comprising:
• a black ink nozzle, connected with the black ink tank, for ejecting the black ink;
• a second magenta ink nozzle, connected with the second magenta ink tank, for ejecting the magenta ink;
• and
• a second cyan ink nozzle, connected with the second cyan ink tank, for ejecting the cyan ink,
• wherein a diameter of the second magenta ink nozzle is smaller than a diameter of the first magenta ink nozzle, and a diameter of the second cyan ink nozzle is smaller than a diameter of the first cyan ink nozzle.

An image output device, comprising:

• a first color ink cartridge, having a first yellow ink tank filled with yellow ink, a first magenta ink tank filled with magenta ink, and a first cyan ink tank filled with cyan ink, the first color ink cartridge further comprising:
• a first yellow ink nozzle, connected with the first yellow ink tank, for ejecting the yellow ink;
• a first magenta ink nozzle, connected with the first magenta ink tank, for ejecting the magenta ink;
• and
• a first cyan ink nozzle, connected with the first cyan ink tank, for ejecting the cyan ink;
• a second color ink cartridge, having a second yellow ink tank filled with yellow ink, a second magenta ink tank filled with magenta ink, and a second cyan ink tank filled with cyan ink, the second color ink cartridge further comprising:
• a second yellow ink nozzle, connected with the second yellow ink tank, for ejecting the yellow ink;
• a second magenta ink nozzle, connected with the second magenta ink tank, for ejecting the magenta ink;
• and
• a second cyan ink nozzle, connected with the second cyan ink tank, for ejecting the cyan ink,
• wherein a diameter of the first magenta ink nozzle is different from a diameter of the first yellow ink nozzle, and a diameter of the first cyan ink nozzle is different from the diameter of the first yellow ink nozzle in the same time.