| 摘要 |
A printing device has a platen roller, a print head for printing on a sheet material, and a sheet cutting device for cutting the sheet material on which printing has been performed. The sheet cutting device has a stationary blade and a movable blade for cutting the sheet material in a pressing contact state with respect to the stationary blade. A release mechanism is disposed in the stationary blade frame and is movable to first and second positions to release the stationary and movable blades. In the first position of the release mechanism, the blades are in the pressing contact state, the platen roller is in contact with the print head, and ends of a platen roller shaft of the platen roller are disposed adjacent to one end of respective elongated holes of a stationary blade frame supporting the stationary blades. In the second position of the release mechanism, the blades are moved out of the pressing contact state, the platen roller is in contact with the print head, and the ends of the platen roller shaft are disposed adjacent to the other end of the respective elongated holes of the stationary blade frame.
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