Disclosed herein is a method of managing a printing apparatus including a thermal print head. The method of managing a printing apparatus includes: starting, by the controller of a printing apparatus, the cleaning of a thermal print head when a predetermined condition is satisfied; selecting, by the controller, a cleaning method based on at least one the satisfied condition and previously stored information; and cleaning, by the controller, the thermal print head by driving at least one of heating elements, included in a plurality of recording elements constituting the thermal print head, according to the selected cleaning method.
B41F 31/30 - Arrangements for tripping, lifting, adjusting, or removing inking rollersSupports, bearings, or forks therefor
B41J 2/165 - Prevention of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
B41J 2/32 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
B41J 2/35 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads providing current or voltage to the thermal head
Disclosed is a printing device including a main body part including a body part configured to provide an internal space in which recording paper for printing certain information thereon is transferred and an opening or closing part configured to control opening or closing of the internal space, a printing part configured to print the certain information on the recording paper transferred in the internal space, and a recording paper separation part located on a downstream side of the printing part and configured to cut or cut off and separate recording paper on which particular information is printed by the printing part from the other recording paper. Here, the main body part includes a protruding part configured to prevent an adhesive attached to the surface opposite the adhesive surface from being accumulated by decreasing a contact area with the surface opposite the adhesive surface.
B41J 15/04 - Supporting, feeding, or guiding devicesMountings for web rolls or spindles
B41J 2/32 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
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.
B41J 11/00 - Devices or arrangements for supporting or handling copy material in sheet or web form
B41J 3/407 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
B41J 11/70 - Applications of cutting devices cutting perpendicular to the direction of paper feed
B41J 29/393 - Devices for controlling or analysing the entire machine
Disclosed herein are a printing apparatus that is mounted with roll-shaped drawable printing paper made of thermal paper whose color changes by heat, performs printing on the printing paper and cuts the printing paper via a cutter, and a printing method that is performed by the printing apparatus.
B41J 2/32 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
5.
Method of managing thermal printer and thermal printer for performing the same
Disclosed herein is a method of managing a printing apparatus including a thermal print head. The method of managing a printing apparatus includes: starting, by the controller of a printing apparatus, the cleaning of a thermal print head when a predetermined condition is satisfied; selecting, by the controller, a cleaning method based on at least one the satisfied condition and previously stored information; and cleaning, by the controller, the thermal print head by driving at least one of heating elements, included in a plurality of recording elements constituting the thermal print head, according to the selected cleaning method.
B41F 31/30 - Arrangements for tripping, lifting, adjusting, or removing inking rollersSupports, bearings, or forks therefor
B41J 2/32 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
B41J 2/35 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads providing current or voltage to the thermal head
Disclosed is a printing device including a main body part including a body part configured to provide an internal space in which recording paper for printing certain information thereon is transferred and an opening or closing part configured to control opening or closing of the internal space, a printing part configured to print the certain information on the recording paper transferred in the internal space, and a recording paper separation part located on a downstream side of the printing part and configured to cut or cut off and separate recording paper on which particular information is printed by the printing part from the other recording paper. Here, the main body part includes a protruding part configured to prevent an adhesive attached to the surface opposite the adhesive surface from being accumulated by decreasing a contact area with the surface opposite the adhesive surface.
B41J 15/04 - Supporting, feeding, or guiding devicesMountings for web rolls or spindles
B41J 2/32 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
7.
PRINTING APPARATUS FOR PERFORMING PRINTING ACCORDING TYPE OF PRINTING PAPER DETERMINED BY RECOGNIZING BAR PATTERN
Presented is a printing apparatus for performing printing on printing paper, in which a plurality of labels constituting a printing area are sequentially arranged and mounted in a wound state, to be withdrawable, and a bar pattern corresponding to paper information is formed on at least one of the plurality of labels. The printing apparatus comprises: an input/output unit for receiving an input of a user and transmitting or receiving data to or from an external apparatus; a printing unit for performing printing on the printing paper; a sensor unit for recognizing a black mark and a bar pattern formed on the printing paper; a storage unit storing paper information corresponding to the bar pattern recognized by the sensor unit and storing a program for performing a printing operation on the basis of the paper information; and a control unit including at least one processor, wherein the control unit, by executing the program, recognizes the bar pattern while feeding the printing paper, collects the paper information, detects an error on the basis of the collected paper information, does not perform the printing operation when an error is detected, and performs the printing operation when no error is detected.
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.
B41J 11/00 - Devices or arrangements for supporting or handling copy material in sheet or web form
B41J 3/407 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
B41J 11/70 - Applications of cutting devices cutting perpendicular to the direction of paper feed
B41J 29/393 - Devices for controlling or analysing the entire machine
Disclosed is a printing device including a main body part including a body part configured to provide an internal space in which recording paper for printing certain information thereon is transferred and an opening or closing part configured to control opening or closing of the internal space, a printing part configured to print the certain information on the recording paper transferred in the internal space, and a recording paper separation part located on a downstream side of the printing part and configured to cut or cut off and separate recording paper on which particular information is printed by the printing part from the other recording paper. Here, the main body part includes a protruding part configured to prevent an adhesive attached to the surface opposite the adhesive surface from being accumulated by decreasing a contact area with the surface opposite the adhesive surface.
B41J 15/04 - Supporting, feeding, or guiding devicesMountings for web rolls or spindles
B41J 2/32 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
Disclosed is a printing device including a main body portion including a body portion configured to provide an internal space in which recording paper for printing certain information thereon is transferred and an opening or closing portion configured to control opening or closing of the internal space, a printing portion configured to print the certain information on the recording paper transferred in the internal space, and a recording paper separation portion located on a downstream side of the printing portion and configured to cut or cut off and separate recording paper on which particular information is printed by the printing portion from the other recording paper. Here, the main body portion includes a protruding portion configured to prevent an adhesive attached to the surface opposite the adhesive surface from being accumulated by decreasing a contact area with the surface opposite the adhesive surface.
B41J 15/04 - Supporting, feeding, or guiding devicesMountings for web rolls or spindles
B41J 2/32 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
12.
Paper cutting device for kiosk printer and kiosk printer equipped with the same
The paper cutting device includes: a lower frame configured such that a platen roller and a thermal head are disposed on the top surface thereof and provide a paper movement path and a drive unit is contained therein; an upper frame configured to form the paper movement path in association with the lower frame, and to open the paper movement path; a fixed cutter configured to be disposed on the upper frame, and to cut the roll paper; a movable cutter configured to be disposed on the lower frame, to cut the roll paper, and to allow the roll paper to move; and a jam control unit configured to detect a jam of the roll paper, and to detect the opening of the paper movement path and lower the movable cutter.
B41J 11/70 - Applications of cutting devices cutting perpendicular to the direction of paper feed
B41J 2/32 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
B41J 15/04 - Supporting, feeding, or guiding devicesMountings for web rolls or spindles
B41J 11/00 - Devices or arrangements for supporting or handling copy material in sheet or web form
Disclosed herein is a paper roll support device for a printing apparatus. The paper roll support device includes: first and second paper guides arranged to be opposite to each other, and configured to support a paper roll; a support panel configured to fix the first and second paper guides; first and second transfer rods installed such that first ends thereof are fixed to the first and second paper guides, and configured to be movable in conjunction with each other; a pulley provided to be rotatable coaxially with the pinion gear; a belt installed such that one end thereof is fixed to one side of the outer circumference of the pulley and the other end thereof is fixed to one end of one of the first and second transfer rods, and configured to rotate the pulley; and an elastic member configured to reversely rotate the pulley to its original position.
Disclosed herein is a device for fixing a platen roller for a printing apparatus. The device includes: a fixing frame installed in the housing of the printing apparatus; roller bearings respectively coupled to both ends of the platen roller in the longitudinal direction of the platen roller, and configured to allow the platen roller to be rotated; bearing holders installed on the fixing frame, and configured to provide coupling portions for the roller bearings and to allow the roller bearings to enter and exit in a horizontal direction corresponding to the longitudinal direction of the platen roller; and a locking part configured to fix the platen roller and the roller bearings to the bearing holders in the state of preventing the horizontal movement of the platen roller and the roller bearings while restraining at least one of the both ends of the platen roller to the bearing holder.
B41J 2/35 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads providing current or voltage to the thermal head
B41F 31/30 - Arrangements for tripping, lifting, adjusting, or removing inking rollersSupports, bearings, or forks therefor
B41J 11/24 - Detents, brakes, or couplings for feed rollers or platens
B41J 2/32 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
Disclosed herein is a method of managing a printing apparatus including a thermal print head. The method of managing a printing apparatus includes: starting, by the controller of a printing apparatus, the cleaning of a thermal print head when a predetermined condition is satisfied; selecting, by the controller, a cleaning method based on at least one the satisfied condition and previously stored information; and cleaning, by the controller, the thermal print head by driving at least one of heating elements, included in a plurality of recording elements constituting the thermal print head, according to the selected cleaning method.
B41J 2/32 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
B41J 2/165 - Prevention of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
B41J 2/35 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads providing current or voltage to the thermal head
B41F 31/30 - Arrangements for tripping, lifting, adjusting, or removing inking rollersSupports, bearings, or forks therefor
Disclosed is a printing device including a main body portion including a body portion configured to provide an internal space in which recording paper for printing certain information thereon is transferred and an opening or closing portion configured to control opening or closing of the internal space, a printing portion configured to print the certain information on the recording paper transferred in the internal space, and a recording paper separation portion located on a downstream side of the printing portion and configured to cut or cut off and separate recording paper on which particular information is printed by the printing portion from the other recording paper. Here, the main body portion includes a protruding portion configured to prevent an adhesive attached to the surface opposite the adhesive surface from being accumulated by decreasing a contact area with the surface opposite the adhesive surface.
B41J 15/04 - Supporting, feeding, or guiding devicesMountings for web rolls or spindles
B41J 2/32 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
A printer comprises: a transfer unit for transferring printing paper in a printing direction; a printing unit for printing information on the transferred printing paper; a detection unit that is installed to face the printing paper discharged toward a discharging portion for the printing paper, and acquires measured values by detecting light while the printing paper is being transferred and when the transfer of the printing paper is stopped; and a control unit that collects the measured values of the detection unit while the printing paper is being transferred, calculates a reference value by using the collected measured values, and compares, with the calculated reference value, the measured value acquired by the detection unit when the transfer of the printing paper is stopped, to determine whether or not the printing paper has been removed.
B41J 11/00 - Devices or arrangements for supporting or handling copy material in sheet or web form
B41J 11/70 - Applications of cutting devices cutting perpendicular to the direction of paper feed
B41J 29/393 - Devices for controlling or analysing the entire machine
G01J 1/02 - Photometry, e.g. photographic exposure meter Details
18.
Printing apparatus to acquire print data and transmits a request to an external apparatus to close websocket communication when predetermined time period elapsed
Disclosed are a printing method using websocket communication and a management method for a websocket communication channel. The printing method includes establishing, by a printing apparatus, a websocket channel for communicating with an external apparatus, requesting, by the printing apparatus, print data from the external apparatus through the websocket channel, determining, by the printing apparatus, whether a predetermined condition associated with an acquisition of the print data is satisfied in response to the request for the print data, and controlling, by the printing apparatus, a channel duration time of the websocket channel when the predetermined condition is satisfied.
The paper cutting device includes: a lower frame configured such that a platen roller and a thermal head are disposed on the top surface thereof and provide a paper movement path and a drive unit is contained therein; an upper frame configured to form the paper movement path in association with the lower frame, and to open the paper movement path; a fixed cutter configured to be disposed on the upper frame, and to cut the roll paper; a movable cutter configured to be disposed on the lower frame, to cut the roll paper, and to allow the roll paper to move; and a jam control unit configured to detect a jam of the roll paper, and to detect the opening of the paper movement path and lower the movable cutter.
B41J 11/70 - Applications of cutting devices cutting perpendicular to the direction of paper feed
B41J 2/32 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
B41J 15/04 - Supporting, feeding, or guiding devicesMountings for web rolls or spindles
B41J 11/00 - Devices or arrangements for supporting or handling copy material in sheet or web form
20.
Method for supplying power using printing apparatus, and printing apparatus for performing the same
A printing apparatus supporting USB type-C includes: a USB type-C interface configured to support a connection with an external device; a printing unit configured to perform printing; and a controller configured to control the supply of power to the external device. The controller checks a reception power received from an external power source, predicts the estimated power consumption of at least one of the printing apparatus and the external device, determines a supply power to be transmitted to the external device based on the reception power and the estimated power consumption, and transmits the supply power to the external device via the USB type-C interface.
A printing apparatus supporting USB type-C comprises: a USB type-C interface unit supporting connection with an external device; a printing unit for performing printing; and a control unit for controlling the power supply to the external device, wherein the control unit confirms the amount of power received from an external power source, estimates estimated power consumption of the printing apparatus and/or the external device, determines the amount of power supply which is to be transmitted to the external device on the basis of the amount of power received and the estimated power consumption, and transmits the amount of power supply to the external device by means of the USB type-C interface unit.
B41F 33/00 - Indicating, counting, warning, control or safety devices
B41J 29/48 - Applications of alarms, e.g. responsive to approach of end of line responsive to breakage or exhaustion of paper or approach of bottom of paper
B41J 29/393 - Devices for controlling or analysing the entire machine
G06F 1/26 - Power supply means, e.g. regulation thereof
A printer and a printing method are proposed. The printer and the printing method include transferring printing paper until a cutting target marker first disposed after a location at which the printing of a unit output has been completed based on the transfer direction of the printing paper reaches a cutting position, and cutting the corresponding location when the printing paper is transferred until the cutting target marker reaches the cutting position.
B41J 3/407 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
B41J 29/38 - Drives, motors, controls, or automatic cut-off devices for the entire printing mechanism
Disclosed herein are a method and apparatus for performing print jobs in a printing system including a host device and a printing device. The method of performing print jobs in a printing system including a host device and a printing device includes: requesting printing while transmitting print data and identifications (IDs) corresponding to one or more print jobs, included in a job list, to the printing device; if an identification (ID) corresponding to at least one completed print job is received from the printing device, updating the job list by deleting a print job corresponding to the received ID from the job list; if an error has occurred in the printing system, determining whether the error has been resolved; and if it is determined that the error has been resolved, resuming printing.
Provided is an unwinding device for unwinding a sheet from a sheet roll, the sheet roll being inserted onto the device. The unwinding device includes a shaft, a first rotating member and a second rotating member which are inserted onto the shaft, configured to be rotatable with rotation of the sheet roll, the sheet roll being inserted onto the first rotating member and the second rotating member, a first elastic member disposed between the first rotating member and the shaft, the first elastic member being configured to provide first back tension to the sheet when the first rotating member rotates, a second elastic member disposed between the second rotating member and the shaft, the second elastic member being configured to provide second back tension to the sheet when the second rotating member rotates, and a back tension controlling member disposed between the second elastic member and the shaft.
B41J 15/16 - Means for tensioning or winding the web
B65H 23/182 - Registering, tensioning, smoothing, or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in unwinding mechanisms or in connection with unwinding operations
25.
Printing apparatus to acquire print data and transmit a request to an external apparatus to close websocket communication when predetermined time period elapses
Disclosed are a printing method using websocket communication and a management method for a websocket communication channel. The printing method includes establishing, by a printing apparatus, a websocket channel for communicating with an external apparatus, requesting, by the printing apparatus, print data from the external apparatus through the websocket channel, determining, by the printing apparatus, whether a predetermined condition associated with an acquisition of the print data is satisfied in response to the request for the print data, and controlling, by the printing apparatus, a channel duration time of the websocket channel when the predetermined condition is satisfied.
Provided is an unwinding device for unwinding a sheet from a sheet roll, the sheet roll being inserted onto the device. The unwinding device includes a shaft, a first rotating member and a second rotating member which are inserted onto the shaft, configured to be rotatable with rotation of the sheet roll, the sheet roll being inserted onto the first rotating member and the second rotating member, a first elastic member disposed between the first rotating member and the shaft, the first elastic member being configured to provide first back tension to the sheet when the first rotating member rotates, a second elastic member disposed between the second rotating member and the shaft, the second elastic member being configured to provide second back tension to the sheet when the second rotating member rotates, and a back tension controlling member disposed between the second elastic member and the shaft.
A recording paper cutting device enables cutting of a boundary between a first area of a recording paper and a second area of the recording paper placed at an upstream side of the first area, so that the first area is separately discharged from the second area after the first area is printed. The recording paper cutting device includes first and second cutting parts. The first cutting part of the second cutting parts moves in an approaching or departing direction so that the boundary is cut. The first cutting part includes a first cutting surface inclined by a first angle in the departing direction from the second cutting part and a second cutting surface that extends from the first cutting surface and is inclined by a second angle, which is smaller than the first angle, in the departing direction from the second cutting part.
B41J 11/70 - Applications of cutting devices cutting perpendicular to the direction of paper feed
B26D 1/01 - Cutting through work characterised by the nature or movement of the cutting memberApparatus or machines thereforCutting members therefor involving a cutting member which does not travel with the work
B41J 15/04 - Supporting, feeding, or guiding devicesMountings for web rolls or spindles
B41J 2/32 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
B26D 1/00 - Cutting through work characterised by the nature or movement of the cutting memberApparatus or machines thereforCutting members therefor
A printer and a printing method are provided. The printer and the printing method are configured such that printing paper is delivered until a marker to be cut reaches a cutting position, the maker being initially arranged behind a position at which a unit output material is completely printed on the basis of the delivery direction of the printing paper, and cutting is made at the corresponding position when the marker to be cut reaches the cutting position during the delivery of the printing paper.
B41J 3/407 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
A recording paper cutting device enables cutting of a boundary between a first area of a recording paper and a second area of the recording paper placed at an upstream side of the first area, so that the first area is separately discharged from the second area after the first area is printed. The recording paper cutting device includes first and second cutting parts. The first cutting part of the second cutting parts moves in an approaching or departing direction so that the boundary is cut. The first cutting part includes a first cutting surface inclined by a first angle in the departing direction from the second cutting part and a second cutting surface that extends from the first cutting surface and is inclined by a second angle, which is smaller than the first angle, in the departing direction from the second cutting part.
B26D 1/02 - Cutting through work characterised by the nature or movement of the cutting memberApparatus or machines thereforCutting members therefor involving a cutting member which does not travel with the work having a stationary cutting member
B41J 11/70 - Applications of cutting devices cutting perpendicular to the direction of paper feed
B26D 1/01 - Cutting through work characterised by the nature or movement of the cutting memberApparatus or machines thereforCutting members therefor involving a cutting member which does not travel with the work
B41J 15/04 - Supporting, feeding, or guiding devicesMountings for web rolls or spindles
B26D 1/00 - Cutting through work characterised by the nature or movement of the cutting memberApparatus or machines thereforCutting members therefor
B41J 2/32 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
30.
POS peripherals controlling device, mobile host device, and control method thereof
Provided is a POS peripherals controlling device including: a wireless communication unit; an interface part including at least one interface unit; and a controller determining whether data received from a mobile POS host device through the wireless communication unit includes control data for controlling at least one POS peripheral connected through the interface part, when the received data includes control data, checking a target POS peripheral where the control data is to be delivered among the at least one peripheral, and transmitting control data included in the received data to the checked POS peripheral through a first interface unit connected to the checked target peripheral among the at least one interface unit, wherein the control data is generated by the mobile POS host device and is generated in a format corresponding to the target peripheral that is to receive the control data.
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
Provided is a POS peripherals controlling device including: a wireless communication unit; an interface part including at least one interface unit; and a controller determining whether data received from a mobile POS host device through the wireless communication unit includes control data for controlling at least one POS peripheral connected through the interface part, when the received data includes control data, checking a target POS peripheral where the control data is to be delivered among the at least one peripheral, and transmitting control data included in the received data to the checked POS peripheral through a first interface unit connected to the checked target peripheral among the at least one interface unit, wherein the control data is generated by the mobile POS host device and is generated in a format corresponding to the target peripheral that is to receive the control data.
G06F 13/10 - Program control for peripheral devices
H04W 4/00 - Services specially adapted for wireless communication networksFacilities therefor
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
A printer according to an embodiment of the present invention is a printer which prints predetermined information on paper unwound by a rotation of roll paper, and enables the paper to move in a first direction and be discharged to the outside through a discharge port. The printer comprises: an accommodation part for providing a space in which the roll paper is accommodated; and a rotation member for providing a rotation shaft of the roll paper accommodated in the accommodation part, the rotation member providing the paper unwound by the rotation of the roll paper with tension toward a second direction, which is the opposite direction to the first direction.
B41J 15/16 - Means for tensioning or winding the web
B65H 23/08 - Registering, tensioning, smoothing, or guiding webs longitudinally by retarding devices, e.g. acting on web-roll spindle acting on web roll being unwound
33.
METHOD FOR TRANSMITTING PRINTING COMMAND FOR POINT OF SALES (POS) PRINTER AND RECORDING MEDIUM IN WHICH PROGRAM FOR PERFORMING SAME METHOD IS RECORDED
Provided is a method for transmitting a printing command for a POS printer, comprising the steps of: receiving printing data including first printing data configured by a first font which can be recognized by the POS printer and second printing data configured by a second font which cannot be recognized by the POS printer, from an application; identifying size change information; generating a first printing command on the basis of a first character string of the first printing data and the size change information; generating a second printing command on the basis of a second character string of the second printing data and the size change information; and transmitting the first printing command and the second printing command to the POS printer.
According to the present invention, provided is a POS peripheral device controller comprising: a wireless communication unit; an interface unit comprising at least one interface unit; and a control unit which determines whether data received from a mobile POS host device through the wireless communication unit includes control data for controlling at least one POS peripheral device connected through the interface unit, and, when the received data includes the control data, identifies an objective POS peripheral device to which the control data is to be transferred from among the at least one POS peripheral device, and transmits the control data included in the received data to the identified object POS peripheral device through a first interface unit connected to the identified object POS peripheral device from among the at least one interface unit, wherein the control data is generated by the mobile POS host device and is generated in a format corresponding to the object peripheral device which is to receive the control data.
The present invention relates to a printing apparatus having an automatic status back function, and to a method for controlling same. More particularly, the present invention relates to a technique which detects the status of the printing apparatus for every predetermined status detection cycle, stores the value of the changed status to an automatic status back buffer if the status value of the printing apparatus has changed, checks the automatic status back buffer for every predetermined automatic status back buffer check cycle, and transmits only the most recently changed status value to a host apparatus, to thereby reduce the transmission of unnecessary data to the host apparatus and to reduce data processing loads on the host apparatus.
Disclosed is an auto-cutter which is installed in a roll paper printer which prints a receipt, a barcode, a label or the like on paper and outputs it. The auto-cutter functions to automatically cut a section of roll paper off. A casing is provided in a main body of the roll paper printer. A step motor is installed in the casing and connected to a movable cutting blade through spur gears. Therefore, a paper cutter structure and a full and partial cut structure can be simplified. In particular, the present invention can prevent a cutter jam, thus enhancing reliability of the operation of cutting.
B41J 3/407 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
09 - Scientific and electric apparatus and instruments
Goods & Services
Printers; receipt printers; label printers, bar-code printers; and printer mechanisms for Electronic Cash Register, Point Of Sale Systems and Electronic Fund Transfer Terminal
09 - Scientific and electric apparatus and instruments
Goods & Services
Printers; receipt printers; label printers; bar-code printers; and mechanisms for Electronic Cash Register (ECR), Point Of Sales (POS) and Electronic Fund Transfer Terminal (EFT).
