A printer includes: a transfer unit configured to transfer printing paper in a printing direction; a printing unit configured to print information on transferred printing paper; a detection unit installed to face discharged printing paper on a printing paper discharge portion side, and configured to acquire measured values by detecting light while printing paper is transferred or when the transfer of printing paper is stopped; and a control unit configured to collect measured values of the detection unit while printing paper is transferred, to calculate a reference value by using the collected measured values, and to determine whether printing paper has been removed by comparing the calculated reference value with a measured value acquired by the detection unit when the transfer of printing paper is stopped.

A printer includes: a transfer unit configured to transfer printing paper in a printing direction; a printing unit configured to print information on transferred printing paper; a detection unit installed to face discharged printing paper on a printing paper discharge portion side, and configured to acquire measured values by detecting light while printing paper is transferred or when the transfer of printing paper is stopped; and a control unit configured to collect measured values of the detection unit while printing paper is transferred, to calculate a reference value by using the collected measured values, and to determine whether printing paper has been removed by comparing the calculated reference value with a measured value acquired by the detection unit when the transfer of printing paper is stopped.

A printing apparatus that includes a holding unit configured to hold a roll sheet performs supplying the sheet by rotating the roll sheet held by the holding unit; nipping and conveying the supplied sheet; performing printing on the conveyed sheet; detecting occurrence of a print medium jam of the sheet; and, if the printing apparatus has detected a print medium jam of the sheet, performing a control process of supplying the sheet in a state in which the conveying is stopped.

A printer comprises a housing which is composed of a box-shaped main body section with an opening on one surface thereof and a cover for opening and closing the opening of the main body section and forming a paper discharge port between the cover and the main body section at the time the cover is located at a position to close the opening; a storage section houses a roll paper; a printing section carries out printing on the paper; a cutter which has a cutting edge used to cut the paper; a support section which supports the cutter in a manner of freely moving between a use position at the time of cutting the paper by the cutting edge and a non-use position close to an edge of the paper discharge port with respect to the use position.

A printer comprises a housing which is composed of a box-shaped main body section with an opening on one surface thereof and a cover for opening and closing the opening of the main body section and forming a paper discharge port between the cover and the main body section at the time the cover is located at a position to close the opening; a storage section houses a roll paper; a printing section carries out printing on the paper; a cutter which has a cutting edge used to cut the paper; a support section which supports the cutter in a manner of freely moving between a use position at the time of cutting the paper by the cutting edge and a non-use position close to an edge of the paper discharge port with respect to the use position.

There is provided a printing apparatus including: a holder configured to accommodate a printing medium; a conveyor configured to convey the printing medium along a conveying direction; a printer; a cutter configured to cut the printing medium; a first detector configured to detect front and rear ends of the printing medium; and a controller. A distance in the conveying direction between the first detector and the cutter is shorter than a length of one of media generated by dividing the printing medium into n-pieces of media. The controller is configured to: calculate a length in the conveying direction of the printing medium by using a result of the detecting of the front and rear ends, and set a cutting position of the printing medium; and cause the cutter to cut the printing medium at the set cutting position.

Disclosed is a cutter module to be used with a printing apparatus. The cutter module comprises a blade driving mechanism; and a rotary cutting blade driven by the blade driving mechanism. The blade driving mechanism comprises: a clutch mechanism selectively to enable the blade driving mechanism to drive the rotary cutting blade in a forward cutting direction or a backward direction. Also disclosed is a printing system comprising the cutter module and a method to be used with the cutter module.

Disclosed is a cutter module to be used with a printing apparatus. The cutter module comprises a blade driving mechanism; and a rotary cutting blade driven by the blade driving mechanism. The blade driving mechanism comprises: a clutch mechanism selectively to enable the blade driving mechanism to drive the rotary cutting blade in a forward cutting direction or a backward direction. Also disclosed is a printing system comprising the cutter module and a method to be used with the cutter module.

A printing device includes a housing, a printing head, and an input unit. The housing includes a cassette accommodating portion to which a tape cassette accommodating a roll of a printing tape is detachably attachable. The cassette accommodating portion has an insertion opening through which the tape cassette can be inserted in an insertion direction. The printing head includes heat-generating elements arrayed in a scanning direction crossing an imaginary plane perpendicular to the insertion direction. The housing has: a principal surface at which the input unit is provided; a side surface crossing the principal surface and the imaginary plane; and a discharge opening formed in the side surface. The insertion opening is positioned above the input unit. At the discharge opening, a normal direction of a printed surface of the printing tape and a normal direction of the principal surface define an interior angle of less than 45 degrees therebetween.

A cutting device includes: a cutter blade configured to perform one of a half-cutting operation and a full-cutting operation with respect to a cut target; a cutter holder holding the cutter blade; a cutter cradle movable between a half-cutting position and a full-cutting position; and a cutter lever and a cutter cradle lever those operated by a user. When only the cutter lever is operated by the user, the cutter blade is moved so that the cutter blade and the cutter cradle at the half-cutting position perform the half-cutting operation with respect to the cut target. When both the cutter lever and the cutter cradle lever are operated by the user, the cutter cradle is moved to the full-cutting position and the cutter blade is moved so that the cutter blade and the cutter cradle at the full-cutting position perform the full-cutting operation with respect to the cut target.