Abstract: A roll holding apparatus includes a pair of holding members and an advancing/retracting support device. The pair of holding members is configured to be inserted into an inner periphery of a print-receiving paper roll. The pair of holding members is configured to rotatably support the print-receiving paper roll. The advancing/retracting support device is configured to support the holding member to switch an advancing/retracting state of the holding member into a first state, second state, or a third state. A tip end portion of the holding member protrudes to a first position in the first state. The tip end portion lies inward along an axial direction of the print-receiving paper roll than the first position in the second state. The tip end portion lies outward along the axial direction from the first position in the third state.

Abstract: A printing apparatus includes a printing part, an accommodating portion, a cover, a shaft portion, and an engaging portion. The cover is movable between a first position to close the accommodating portion and a second position to open the accommodating portion. The shaft portion extends in a first direction. The holding portion includes a first rotating member connected to the shaft portion and configured to rotate between a third position and a fourth position about the shaft portion. The first rotating member has a first part including a restricting portion configured to restrict the rotation of the first rotating member. The first rotating member has a second part having a thickness in the first direction greater than that of the first part.

Abstract: A printing apparatus includes a printing part, an accommodating portion, a cover, a shaft portion, and an engaging portion. The cover is movable between a first position to close the accommodating portion and a second position to open the accommodating portion. The shaft portion extends in a first direction. The holding portion includes a first rotating member connected to the shaft portion and configured to rotate between a third position and a fourth position about the shaft portion. The first rotating member has a first part including a restricting portion configured to restrict the rotation of the first rotating member. The first rotating member has a second part having a thickness in the first direction greater than that of the first part.

Abstract: A printing apparatus includes a first supporting portion, a second supporting portion, and an adjusting mechanism. The adjusting mechanism includes a first rack, a second rack, a pinion gear, and a third supporting portion configured to movably support the first and second racks and configured to rotatably support the pinion gear. The third supporting portion includes first to fourth ribs. The first and second racks are respectively movable in first and second areas in an axial direction. The first area and the second area define one end and another end. The first rib and the fourth rib are positioned close to the another end, and the second rib and the third rib are positioned close to the one end.

Abstract: A printing apparatus includes a printing part, an accommodating portion, a cover, a shaft portion, and an engaging portion. The cover is movable between a first position to close the accommodating portion and a second position to open the accommodating portion. The shaft portion extends in a first direction. The holding portion includes a first rotating member connected to the shaft portion and configured to rotate between a third position and a fourth position about the shaft portion. The first rotating member has a first part including a restricting portion configured to restrict the rotation of the first rotating member. The first rotating member has a second part having a thickness in the first direction greater than that of the first part.

Abstract: A printing apparatus includes a printing part, an accommodating portion, a cover, a shaft portion, and an engaging portion. The cover is movable between a first position to close the accommodating portion and a second position to open the accommodating portion. The shaft portion extends in a first direction. The holding portion includes a first rotating member connected to the shaft portion and configured to rotate between a third position and a fourth position about the shaft portion. The first rotating member has a first part including a restricting portion configured to restrict the rotation of the first rotating member. The first rotating member has a second part having a thickness in the first direction greater than that of the first part.

Abstract: A printing apparatus includes a first supporting portion, a second supporting portion, and an adjusting mechanism. The adjusting mechanism includes a first rack, a second rack, a pinion gear, and a third supporting portion configured to movably support the first and second racks and configured to rotatably support the pinion gear. The third supporting portion includes first to fourth ribs. The first and second racks are respectively movable in first and second areas in an axial direction. The first area and the second area define one end and another end. The first rib and the fourth rib are positioned close to the another end, and the second rib and the third rib are positioned close to the one end.

Abstract: The disclosure discloses a roll holding apparatus including a pair of holding members and an advancing/retracting support device. The pair of holding members are configured to be inserted into an inner periphery of a print-receiving paper roll. The pair of holding members are configured to rotatably support the print-receiving paper roll. The advancing/retracting support device is configured to support the holding member to switch an advancing/retracting state of the holding member into a first state, second state, or a third state. A tip end portion of the holding member protrudes to a first position in the first state. The tip end portion lies inward along an axial direction of the print-receiving paper roll than the first position in the second state. The tip end portion lies outward along the axial direction from the first position in the third state.

Abstract: A first roller is supported by the lid portion such that it can rotate. A second roller is provided such that it peels a label off of a release paper by nipping the release paper against the first roller. An elastic member is provided such that it switches a peeling mechanism from a first state to a second state. A moving portion is provided such that it switches the peeling mechanism from a second state to a third state by separating from a projecting portion in an open state and coming into contact with the projecting portion in a closed state. A first restricting portion is provided such that, when the peeling mechanism is in a fourth state, by coming into contact with the projecting portion and restricting the projecting portion from moving, it restricts the peeling mechanism from switching from the fourth state to the third state.

Abstract: This disclosure discloses a handheld printer comprising a battery power supply, a platen roller configured to feed the print-receiving paper, a thermal line head configured to perform desired printing on the print-receiving paper fed by the platen roller, a device main body comprising a battery storage chamber configured to store the battery power supply, and a battery chamber cover detachably configured to be mounted on the battery storage chamber.

Abstract: This disclosure discloses a printer comprising a feeder, a printing head, a substantially cuboid-like shaped housing, a touch panel, and a cover. The printing head performs desired printing on a print-receiving medium fed by the feeder. The touch panel is capable of executing desired operation input. The cover is provided to the housing or the touch panel. The cover comprises a plurality of locking hooks. The plurality of locking hooks is provided to areas other than a center part of the cover along a longitudinal direction. The housing or the touch panel comprises a plurality of locked parts to which the plurality of locking hooks is respectively to be locked.

Abstract: A printer including a roll supporting part, a feed roller, a printing head, and an urging device. The roll supporting part rotatably supports a print-receiving tape roll including a print-receiving tape in a rolled shape. The feed roller pulls out and feeds the print-receiving tape and the printing head prints on the print-receiving tape. The urging device slides to and contacts an outer peripheral surface of the print-receiving tape in the rolled shape and elastically presses the print-receiving tape roll supported by the roll supporting part while the print-receiving tape is fed.

Abstract: This disclosure discloses a handheld printer comprising a battery power supply, a platen roller configured to feed the print-receiving paper, a thermal line head configured to perform desired printing on the print-receiving paper fed by the platen roller, a device main body comprising a battery storage chamber configured to store the battery power supply, and a battery chamber cover detachably configured to be mounted on the battery storage chamber.

Abstract: This disclosure discloses a handheld printer comprising a battery power supply, a platen roller configured to feed the print-receiving paper, a thermal line head configured to perform desired printing on the print-receiving paper fed by the platen roller, a device main body comprising a battery storage chamber configured to store the battery power supply, and a battery chamber cover detachably configured to be mounted on the battery storage chamber.

Abstract: This disclosure discloses a printer comprises a roll storage part, a platen roller, a printing head, a separation plate, a first discharging exit, a pinch roller, a second discharging exit, and a first rib member. The platen roller contacts and feeds a print-receiving tape. The printing head is provided above the platen roller. The separation plate is provided on the other side than the platen roller and loops back a separation material layer toward a downward side and peel the print-receiving layer and the adhesive layer from the separation material layer. The first rib member is provided to a first section of a feeding path of the print-receiving tape and contacts the print-receiving tape from above, the first section being between a sandwiching position by the platen roller and the printing head and a support position of an end part of the separation plate.

Abstract: A printer comprising a roll storage part, a feeder, a printing head, a plurality of support rollers, and at least one guide member. The roll storage part rotatably stores a roll that winds a print-receiving tape around a predetermined axis. The feeder pulls out and feeds the print-receiving tape. The printing head performs desired printing on the print-receiving tape. The plurality of support rollers contact an outer peripheral surface of the roll and rotatably support the roll. The at least one guide member is provided to the roll storage part in an advanceable and retreatable manner and guides the print-receiving tape by contacting an end surface of the roll. The guide member comprises a plurality of through-holes configured to guide advancing and retreating of the guide member. A plurality of support rollers are respectively inserted along the width direction thorough the through-holes.

Abstract: A printer comprising a roll storage part, a feeder, a printing head, a first guide member, a second guide member, and a driving gear. The first and second guide members guide a print-receiving medium in a width direction and provided in an advanceable and retreatable manner. The driving gear makes the first and second guide members advance and retreat. The roll storage part comprises a first through-hole for guiding the first guide member in the width direction, and a second through-hole for guiding the second guide member in the width direction. The first guide member comprises a first driven part configured to mesh with the driving gear, and a first sandwiching part holding the first guide member. The second guide member comprises a second driven part configured to mesh with the driving gear, and a second sandwiching part holding the second guide member.

Abstract: This disclosure discloses a handheld printer comprising a battery power supply, a platen roller configured to feed the print-receiving paper, a thermal line head configured to perform desired printing on the print-receiving paper fed by the platen roller, a device main body comprising a battery storage chamber configured to store the battery power supply, and a battery chamber cover detachably configured to be mounted on the battery storage chamber.

Abstract: This disclosure discloses a handheld printer comprising a battery power supply, a platen roller configured to feed the print-receiving paper, a thermal line head configured to perform desired printing on the print-receiving paper fed by the platen roller, a device main body comprising a battery storage chamber configured to store the battery power supply, and a battery chamber cover detachably configured to be mounted on the battery storage chamber.

Abstract: This disclosure discloses a printer comprising a roll storage part, a feeder, a printing head, a pair of guide members, a guide driving mechanism, a cover, a pressing roller, and a recessed part. The printing head is configured to perform desired printing on the print-receiving tape fed by a feeder. The pair of guide members are configured to determine a width-direction position of the print-receiving tape while sandwiching the stored roll. The guide driving mechanism is configured to make the pair of guide members move close to and away from each other by advancing and retreating in tandem in a width direction of the roll. The pressing roller is configured to contact the print-receiving tape near a feed-out position. The recessed part is configured to house at least a part of the pressing roller, provided to each position of the pair of guide members.