Roll-paper holder for a printer

摘要

There is provided a printer for recording a rolled recording paper (S), the printer comprising: a print head and a roll-paper holder (17) for locating the rolled recording paper (S) at a predetermined position as a roll diameter of the recording paper (S) becomes smaller and when said roll-paper holder (17) is mounted horizontally; said roll-paper holder (17) comprising: a bent portion (17b) for supporting the recording paper (S) at least in a state when the recording paper (S) has a medium diameter; a first supporting face (17c) provided between said bent portion (17b) and said print head (39) for supporting the recording paper (S) in said state when the recording paper (S) has the medium diameter; a groove-like guiding portion (38) provided between said bent portion (17b) and said first supporting face (17c) for supporting the recording paper (S) in said state when the recording paper (S) has a small diameter which is smaller than the medium diameter; said groove-like guiding portion (38) comprising a second supporting face (17d) provided between said bent portion (17b) and said print head, and a third supporting face (17e) provided between said bent portion (17b) and said second supporting face (17d), wherein said second supporting face (17d) and said third supporting face (17e) are directed so as to oppose each other.