A cassette includes: a lower case having a box-like shape; a ribbon roll which is a roll of an ink ribbon; a take-up spool configured to take up the ink ribbon from the ribbon roll; and a protrusion provided in the lower case. The lower case includes: a front wall; a rear wall; a left wall; a right wall; a first inner wall; a second inner wall; a third inner wall; and a fourth inner wall. The protrusion protrudes rightward from a portion of the fourth inner wall other than a front edge and a rear edge of the fourth inner wall. The protrusion is configured to contact a widthwise center portion of the ink ribbon to cause the ink ribbon to be curved along a width of the ink ribbon so that the widthwise center portion of the ink ribbon protrudes rightward.

A printer includes a conveyor, a print head, a platen roller, an actuator, and a controller. The platen roller applies a conveying force by rotating while pinching a medium between the platen roller and the print head. The controller is configured to: enable a saving mode in which the print head is moved to a first position when a first area of the medium passes, and the print head is moved to a second position when a second area of the medium passes; detect a difference between a first conveyance amount of the medium when the actuator is in the saving mode, and a second conveyance amount of the medium when the print head is in the first position; and adjust a setting corresponding to the first conveyance amount so as to eliminate the difference.

A printer includes a conveyor, a print head, a platen roller, an actuator, and a controller. The platen roller applies a conveying force by rotating while pinching a medium between the platen roller and the print head. The controller is configured to: enable a saving mode in which the print head is moved to a first position when a first area of the medium passes, and the print head is moved to a second position when a second area of the medium passes; detect a difference between a first conveyance amount of the medium when the actuator is in the saving mode, and a second conveyance amount of the medium when the print head is in the first position; and adjust a setting corresponding to the first conveyance amount so as to eliminate the difference.

A printer includes a first holder for an ink ribbon, a first pair of rollers configured to convey the ink ribbon along a conveyance path, a print head configured to press the ink ribbon against a print medium to print an image on the print medium, and a second pair of rollers disposed on a downstream side of the first pair of rollers in the conveyance path and capable of crosscutting the ink ribbon.

A printer includes a first holder for an ink ribbon, a first pair of rollers configured to convey the ink ribbon along a conveyance path, a print head configured to press the ink ribbon against a print medium to print an image on the print medium, and a second pair of rollers disposed on a downstream side of the first pair of rollers in the conveyance path and capable of crosscutting the ink ribbon.

An auxiliary tape cassette includes a roll configured of a wound auxiliary tape and a case housing the roll. The auxiliary tape is for printing on a printing tape. The case has a discharge port for discharging the printing tape and a guide surface for guiding the printing tape toward the discharge port. The guide surface is defined on an inner surface or an outer surface of the case. The printing tape is wrapped around the guide surface to form a spiral portion whose angle of rotation about a central axis of the spiral portion is greater than or equal to 180 degrees. The central axis is parallel to a winding axis of the roll. The guide surface includes a curved surface for guiding at least a portion of the spiral portion on an upstream side of the discharge port in a discharging direction of the printing tape.

An auxiliary tape cassette includes a roll configured of a wound auxiliary tape and a case housing the roll. The auxiliary tape is for printing on a printing tape. The case has a discharge port for discharging the printing tape and a guide surface for guiding the printing tape toward the discharge port. The guide surface is defined on an inner surface or an outer surface of the case. The printing tape is wrapped around the guide surface to form a spiral portion whose angle of rotation about a central axis of the spiral portion is greater than or equal to 180 degrees. The central axis is parallel to a winding axis of the roll. The guide surface includes a curved surface for guiding at least a portion of the spiral portion on an upstream side of the discharge port in a discharging direction of the printing tape.

A tape cassette includes: a tape roll in which a tape is wound; a ribbon spool about which an ink ribbon is wound; a ribbon take-up spool configured to take up the ink ribbon; a housing having a first opening; a first gear configured to transmit a drive force to the ribbon take-up spool; and a second gear configured to operate in response to an operation of the first gear. The housing includes: a partition plate partitioning an internal space of the housing into a first space in which the tape roll and the ribbon spool are positioned and a second space in which the first gear and the second gear are positioned; and an arm having a second opening allowing the tape and the ink ribbon to be discharged through the second opening to an outside of the housing.

A tape cassette includes: a tape roll in which a tape is wound; a ribbon spool about which an ink ribbon is wound; a ribbon take-up spool configured to take up the ink ribbon; a housing having a first opening; a first gear configured to transmit a drive force to the ribbon take-up spool; and a second gear configured to operate in response to an operation of the first gear. The housing includes: a partition plate partitioning an internal space of the housing into a first space in which the tape roll and the ribbon spool are positioned and a second space in which the first gear and the second gear are positioned; and an arm having a second opening allowing the tape and the ink ribbon to be discharged through the second opening to an outside of the housing.

A tape cassette includes: a tape roll in which a tape is wound; a ribbon spool about which an ink ribbon is wound; a housing having a first opening; a first gear; and a second gear configured to operate in response to an operation of the first gear. The ribbon spool is rotatable about a first axis extending in a first direction. The housing includes: a partition plate partitioning an internal space of the housing into a first space in which the tape roll and the ribbon spool are positioned and a second space in which the first gear and the second gear are positioned; and an arm having a second opening allowing the tape and the ink ribbon to be discharged through the second opening to an outside of the housing. The second gear is exposed to the outside of the housing through the first opening.