Abstract: A mobile printer having an electronic (e)—book function and a printing method thereof. The mobile printer includes a liquid crystal display (LCD) to display an electronic (e)—book, a printing part to print a text corresponding to a printing range selected of the electronic (e)—book displayed on the LCD, and a controlling part to control the printing part to display the electronic (e)—book on the LCD and to print the text corresponding to the selected printing range. Accordingly, it is possible to view and print the electronic (e)—book anywhere and anytime, so that a user's convenience increases.

Abstract: A ribbon cartridge, comprising an ink ribbon formed of a transparent sheet with ink layers thereon, the ink ribbon including counting holes arranged at predetermined intervals in a winding direction of the ink ribbon to allow for a counting of a number of printed pages printed with the ink ribbon, and a mechanical counter having a side thereof to engage with and disengage from the counting holes while the counting holes are moved in order to count the number of printed pages.

Abstract: A printing medium information acquisition method and apparatus for acquiring printing medium information by sensing a plurality of barcodes containing the printing medium information with a plurality of barcode sensors are provided. The printing medium information acquisition apparatus includes a sensing unit having a plurality of sensors for sensing a plurality of barcodes containing printing medium information; and a read-out unit for reading out data of the barcodes based on sense signals of the barcode sensors.