A print device comprising: a housing having an opening formed in, with respect to an up-down direction, an upper portion thereof and internally housing a print portion (50, 60) and a control portion, the print portion (50, 60) configured to print on a print medium, and the control portion configured to control driving of the print portion (50, 60); a lid body being a plate-shaped member and disposed on the upper portion of the housing, the lid body configured to open and close the opening of the housing by a second end portion side of the lid body pivoting around a predetermined rotation axis provided at a first end portion of the lid body; an input device including an operation portion, the operation portion configured to receive an input of a command to the control portion; and a mounting portion provided on an upper portion of the lid body when the opening of the housing is closed, the mounting portion and the input device being configured for attachment to and detachment of the input device to and from the mounting portion along an attachment/detachment direction with respect to the lid body, characterized in that the attachment/detachment direction is a direction parallel with the rotation axis and orthogonal to the tangent line of a circumferential direction of the rotation axis at a position of the second end portion of the lid body; wherein: the mounting portion has a pair of collar portions (3B, 4B) respectively provided at the first end portion and the second end portion of the lid body, the pair of collar portions (3B, 4B) protruding in a mutually facing direction and extending along the attachment/detachment direction and the input device has a pair of groove portions (77B, 77D), the pair of groove portions (77B, 77D) being respectively engaged with the pair of collar portions (3B, 4B) when the input device is mounted on the mounting portion. a housing having an opening formed in, with respect to an up-down direction, an upper portion thereof and internally housing a print portion (50, 60) and a control portion, the print portion (50, 60) configured to print on a print medium, and the control portion configured to control driving of the print portion (50, 60); a lid body being a plate-shaped member and disposed on the upper portion of the housing, the lid body configured to open and close the opening of the housing by a second end portion side of the lid body pivoting around a predetermined rotation axis provided at a first end portion of the lid body; an input device including an operation portion, the operation portion configured to receive an input of a command to the control portion; and a mounting portion provided on an upper portion of the lid body when the opening of the housing is closed, the mounting portion and the input device being configured for attachment to and detachment of the input device to and from the mounting portion along an attachment/detachment direction with respect to the lid body, characterized in that the attachment/detachment direction is a direction parallel with the rotation axis and orthogonal to the tangent line of a circumferential direction of the rotation axis at a position of the second end portion of the lid body; wherein: the mounting portion has a pair of collar portions (3B, 4B) respectively provided at the first end portion and the second end portion of the lid body, the pair of collar portions (3B, 4B) protruding in a mutually facing direction and extending along the attachment/detachment direction and the input device has a pair of groove portions (77B, 77D), the pair of groove portions (77B, 77D) being respectively engaged with the pair of collar portions (3B, 4B) when the input device is mounted on the mounting portion.