Printer

A printer comprising:

• a hopper having an input port which receives a roll wound with a long medium to be printed;
• a print head which prints an image on the medium drawn from the roll;
• a platen roller which presses the medium on the print head and provides the medium with a conveying force in a direction where the medium is drawn from the roll by rotation;
• an inner casing including the hopper and one of the print head and the platen roller;
• a rotating frame which is provided rotatably around a first rotating shaft provided at an edge of the input port with respect to the inner casing and which is provided with the other of the print head and the platen roller at a distal end thereof, to press the print head and the platen roller which are fixed to the inner casing;
• an outer casing which houses the inner casing and having an opening overlapping the input port through which the roll is allowed to be inserted;
• and
• a cover provided rotatably around a second rotating shaft provided at an edge of the opening with respect to the outer casing between a closed position in which the opening is covered and an opened position in which the opening is opened.