| 摘要 |
A roll paper supply mechanism always suitably stores roll paper without being affected by variations in the roll paper supply mechanism (10) or the paper width of the roll paper. When the first side wall (41) in the roll paper supply mechanism (10) of the printer is moved in the storage width direction to adjust the paper storage width of the roll paper compartment (11), the paper urging member (46) disposed to the first side wall (41) is held in a neutral position between a protruding position (46A) and retracted position. After adjustment, the paper urging member (46) still has a range of movement in the protruding direction and the retracting direction. This range of movement in either direction absorbs deviations in the roll paper supply mechanism (10) and the paper width of the paper roll that is stored. The roll paper supply mechanism can therefore hold paper roll without play and with appropriate pressure applied.
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