To provide a simple and hand-held ink-jet printer which is a hand-held type and prints by injecting ink droplets in a noncontact state to a printing medium.

The hand-held ink-jet printer consists of an ink tank 1 for storing ink, an ink jet head 2 for forming images by injecting the stored ink, an ink supply part 3 for supplying the ink in the ink tank 1 to the ink jet head 2, an injection control part 4 for controlling the injection of ink droplets, a printing indication button 5 for indicating starting, stopping and ending of printing, an input part 6 for inputting printing data or conditions, a controller part 7 for controlling the injection control part 4 based on printing data or conditions, a built-in battery 8 for supplying electric power to each part, a frame 9 for integrally supporting the above each part, and a grip part 10 integrally formed with the frame 9.