Multi-function printer

A multi-function printer, comprising:

• a printing module having a channel and a accommodation portion with a lateral wall;
• a scanning module rotatably disposed on the printing module;
• a guiding element disposed in the accommodation portion and adjacent to the lateral wall and moving between a first position and a second position;
• and
• a supporter with one end disposed on the scanning module and the other end slidably disposed in the channel through the guiding element, wherein when the scanning module is opened to an predetermined angle with respect to the printing module, the supporter slides from the channel to be positioned between the guiding element which is in the first position and the lateral wall, and when the scanning module is about to be closed, the scanning module is further opened to move the guiding element to the second position, and the scanning module descends and the supporter is guided by the guiding element into the channel, and when the scanning module is completely closed, the guiding element returns the first position.