KR20240000426U - A card payment terminal comprising for a residual amount detection module of printer paper - Google Patents

Abstract

The card payment terminal of the present invention includes a printer paper receiving portion formed on one side of the card payment terminal to accommodate roll-shaped printer paper on which payment information for card payment is printed and output; and a printer paper remaining amount detection module fixed to one end of the printer paper receiving portion to measure the remaining amount of printer paper, wherein the printer paper remaining amount detection module has a rod-shaped structure, and when the printer paper is received, the remaining amount of printer paper is detected. a remaining amount measuring stick unit including a fixing member whose end is rotatably connected so that a rod-shaped structure is placed on top of the printer paper; A horizontal support formed at one end of the printer paper receiving unit, the center of which is connected to the fixing member of the remaining amount measuring stick portion, is formed with a certain area at the center open so that the rod-shaped structure of the remaining amount measuring stick portion penetrates and is supported. , a guide portion formed with a vertical hole that guides the remaining amount measurement stick portion to move only vertically; and a sensor unit that measures the remaining amount of printer paper from an angle value according to a change in inclination of the remaining amount measuring stick portion.

Description

{A card payment terminal comprising for a residual amount detection module of printer paper}

The present invention relates to a card payment terminal. More specifically, it relates to a card payment terminal including a module for detecting the remaining amount of printer paper.

The most commonly used payment methods today when purchasing products or services are credit cards, check cards, and other cards.

Additionally, in recent years, in addition to payment methods such as various cards or cash, with the development of mobile communications, mobile payment methods using mobile communication terminals have also been used. Mobile pay, which pays by installing it on a mobile device, is also popular.

Users of these various cards make payments through card terminals within affiliated stores that sell products or services. When making a card payment in this way, a receipt is issued for the product or service purchased at the card terminal. If the remaining paper is insufficient while the cylindrical, scroll-shaped receipt paper is being issued, you can directly replace the paper provided in the card terminal with a new one. Replace with paper.

Additionally, in situations where a receipt is not being issued, the seller visually checks the remaining amount of receipt paper and replaces it with new paper if the remaining amount of receipt paper is insufficient.

In this way, unless a receipt is issued to customers who purchased a product or service or the seller directly visually checks the remaining amount of receipt paper, it is difficult to determine the remaining amount of receipt paper provided in the card terminal.

Also, when a customer purchases a product or service and makes a card payment, if the receipt paper is insufficient, an incorrect receipt may sometimes be printed during the card payment, so the receipt paper must be replaced, and payment is made by reissuing the receipt. Problems arise such as time issues or inefficiency from an economic standpoint.

The present invention is intended to solve the above problems, by providing a card payment terminal configured to allow a buyer to purchase a product or service and measure the remaining amount of printer paper on which payment information is printed, so that the seller can provide the payment service. The purpose is to provide a card payment terminal that includes a module for detecting the remaining amount of printer paper that can easily check the remaining amount of printer paper.

A card payment terminal according to the present invention includes a printer paper receiving portion formed on one side of the card payment terminal to accommodate roll-shaped printer paper on which payment information for card payment is printed and output; and a printer paper remaining amount detection module fixed to one end of the printer paper receiving portion to measure the remaining amount of printer paper, wherein the printer paper remaining amount detection module has a rod-shaped structure, and when the printer paper is received, the remaining amount of printer paper is detected. a remaining amount measuring stick unit including a fixing member whose end is rotatably connected so that a rod-shaped structure is placed on top of the printer paper; A horizontal support formed at one end of the printer paper receiving unit, the center of which is connected to the fixing member of the remaining amount measuring stick portion, is formed with a certain area at the center open so that the rod-shaped structure of the remaining amount measuring stick portion penetrates and is supported. , a guide portion formed with a vertical hole that guides the remaining amount measurement stick portion to move only vertically; and a sensor unit that measures the remaining amount of printer paper from an angle value according to a change in inclination of the remaining amount measuring stick portion.

According to the present invention, by providing a card payment terminal equipped with a module for detecting the remaining amount of printer paper, the seller can recognize the remaining amount of printer paper without directly checking it with the naked eye, and thus the seller can directly check the remaining amount of printer paper. It is possible to prevent the inconvenience of reissuing receipts and the additional time required to reissue receipts due to occasional printer paper shortages, and to improve the quality of payment services.

1 is a configuration diagram showing a financial transaction system of a card payment terminal according to an embodiment of the present invention.
Figure 2 is an upper front and rear view showing the printer paper receiving portion of the card payment terminal according to an embodiment of the present invention.
Figure 3 is a diagram showing the structure of a remaining amount detection module of a card payment terminal into which printer paper is inserted according to an embodiment of the present invention.
Figure 4 is a diagram showing the structure of a remaining amount detection module of a card payment terminal without printer paper according to an embodiment of the present invention.
Figure 5 is a block diagram showing the configuration of a card payment terminal according to an embodiment of the present invention.
Figure 6 is a diagram for explaining screen output according to insertion of printer paper into a card payment terminal according to an embodiment of the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

First, the terms used in the specification of the present invention will be briefly defined, and then an embodiment of the present invention will be described.

“Terminals” described in this specification may include mobile phones, smart phones, laptop computers, digital broadcasting terminals, PDAs (Personal Digital Assistants), PMPs (Portable Multimedia Players), navigation systems, etc. The present invention is not limited to this and may be a variety of devices capable of user input and information display.

Additionally, “server” may refer to a server that processes information related to financial transactions. For example, financial servers include a bank server that brokers transactions between financial accounts, a VAN company server that brokers financial card electronic payments, a card company server that processes payment approval for credit card transactions, and various other types of servers. These may apply. Additionally, depending on the specific function, there may be a form where the actual financial transaction function and other additional functions are separated into a separate server.

1 is a configuration diagram showing a financial transaction system of a card payment terminal according to an embodiment of the present invention.

Referring to FIG. 1, a financial transaction system using a card payment terminal 100 according to an embodiment of the present invention includes a mediation server 300 and a card company server 400, and the card payment terminal 100 is a general It is connected to the mobile communication network 30 or the IP network 50 and can communicate with the mediation server 300 for card payment.

As an example, the card payment terminal 100 may be a POS (Point Of Sales) terminal for card payments, and those skilled in the art will recognize various POS terminals for providing payment services. The functional configuration of can be inferred.

Basically, the card payment terminal 100 may include a POS-specific function for point-of-sale management and a basic configuration for implementing an electronic payment function according to a card payment method.

Accordingly, the card payment terminal 100 basically includes a control unit, a memory unit, a payment information input unit, a screen output unit, and a print output unit, and may include a power supply unit that supplies predetermined power, and can perform card reading. It may further include a separate card reader module for. In particular, the card reader module may include at least one magnetic card reader, a barcode reader, an RFID reader, and an IC card reader.

Additionally, the card payment terminal 100 can control components provided for secure payment processing through encryption of card information.

As such, the card payment terminal 100 is not only implemented as a POS terminal, but is also a personal portable terminal capable of transmitting and receiving data with an IP (Internet Protocol) network 50 such as the Internet by connecting to a mobile communication network 30. (Personal Digital Assistant; PDA), etc. may also be exemplified.

Additionally, the mediation server 300 is an example of a server from a Value Added Network (VAN) company that provides payment agency services in an electronic payment system using credit cards.

However, the present design is not limited to this, and the mediation server 300 may be a server that only mediates ticket purchases in addition to a server that acts as a payment agent, and includes various forms such as a simple mediation server connected to a general credit card company server. Additionally, the card company server 400 represents the server of the card company that issued the card.

In addition, in an embodiment of the present invention, the mediation server 300 shown in FIG. 1 receives information on sellers using the card payment terminal 100 from an affiliated store in advance and stores it. Here, the seller information includes the seller's phone number, and may additionally include the seller's name, the name of the affiliated store to which the seller belongs, and a business registration number.

In addition, the mediation server 300 can manage the transaction information of the seller or affiliated store by assigning an identification ID to each seller or affiliated store.

At this time, the mediation server 300 can be directly managed by the VAN company, and manages transaction information of the seller or affiliated store through a separate additional server. Additionally, the mediation server 300 may provide a payment program provided in the seller's card payment terminal 100.

For example, to provide the payment program, the seller accesses an affiliate site on the Internet or an open application market such as the Android Market or App Store, enters information about the seller and the seller's terminal, registers as a member, and authenticates. After completing the procedure, you can also download the payment program from the web.

At this time, payment program upload, update information, or other management may be performed in the relay server 400 or other types of servers.

Accordingly, the card payment terminal 100 equipped with a payment program receives credit card information and processes credit payment by sending a transaction approval request message and requesting approval to the mediation server 300 using the payment program. Perform.

In addition, when the card payment terminal 100 approves or cancels a transaction using this payment program, a message containing a receipt related to transaction approval or cancellation is sent to the buyer's terminal, and a receipt related to the issuance or cancellation of a cash receipt is sent to the buyer's terminal. You can create and transmit a message.

Figure 2 is an upper front and rear view showing the printer paper receiving portion of the card payment terminal according to an embodiment of the present invention.

First, referring to FIG. 2(a), the card payment terminal 100 according to an embodiment of the present invention may include a payment information input unit 110 and a printer paper receiving unit 130.

First, the payment information input unit 110 may be an input unit for inputting payment information for card payment and may be formed in one area of the upper surface of the card payment terminal 100.

In addition, the printer paper receiving portion 130 may be formed on one side of the lower portion of the cover excluding the input portion on the upper surface of the card payment terminal 100 to accommodate printer paper having a cylindrical roll shape of a certain diameter. The input payment information can be printed and output on such printer paper, and its thickness can gradually vary according to the rotation of the center of the roll for printing output.

More specifically, the printer paper receiving portion 130 may be formed in a concave curved shape with a first depth to correspond to a certain diameter of the printer paper, and the printer paper may be formed so that the center of the roll of the printer paper is fixed. It can accommodate printer paper of various specifications, including a printer paper fixing part formed by opening some areas on both sides of the receiving part.

In one embodiment, the printer paper is 2-inch printer paper for a wired terminal with a width of 57 mm and a thickness of 50 mm, or 3-inch printer paper for a wired terminal with a width of 79 mm and a thickness of 70 mm or 79 mm in width and a thickness of 80 mm, or the size of a portable card terminal. It may be a small printer paper for wireless terminals with a width of 57 mm and a thickness of 30 mm.

As described above, depending on the purpose of the card payment terminal 100, the specifications of the printer paper may be different, and the card payment terminal 100 according to an embodiment of the present invention provides accurate printing regardless of the paper size of the printer. Enables residual amount measurement and detection.

To this end, the printer paper receiving unit 130 may include a printer paper remaining amount detection module 131 at one end of the printer paper receiving unit 130 that measures the remaining amount of printer paper.

Referring to FIG. 2(b), the card payment terminal 100 according to an embodiment of the present invention has some areas opened on both sides of the printer paper receiving portion 130 to fix the center of the roll of the printer paper. It may include a printer paper fixing unit 133, and the printer paper remaining amount detection module 131 may be fixed to a horizontal support formed at a position spaced a certain distance away from the printer paper fixing unit 133. .

Figure 3 is a diagram showing in more detail the structure of the remaining amount detection module of the card payment terminal into which printer paper is inserted according to an embodiment of the present invention.

First, Figures 3(a) to 3(c) illustrate a card payment terminal 100 that accommodates printer paper. The card payment terminal 100 according to an embodiment of the present invention includes a remaining amount of printer paper. A printer paper remaining amount detection module 131 that measures may be provided at one end of the printer paper receiving portion 130.

Here, the printer paper remaining amount detection module 131 may include a remaining amount measuring stick part 131a, a fixing member 131b, and a guide part 131c.

As shown in FIG. 3(a), the remaining amount measuring stick portion 131a has a rod-shaped structure, and when the printer paper is received, one end of the rod-shaped structure is positioned on top of the printer paper. It includes a fixing member 131b that is rotatably fixed and connected.

Accordingly, the sensor unit and the control unit, which will be described later, can accurately measure the remaining amount of printer paper in real time based on the angle value according to the change in inclination of the rod-shaped structure.

For example, when the printer paper is used up, the remaining amount measuring stick portion 131a may have an angle value due to its inclination that changes compared to the initial value as the printer paper moves downward toward the core around which the printer paper is wrapped. Changes in the remaining amount of printer paper can be measured. Here, the initial value can be specified as the maximum value, and can be automatically updated by inserting printer paper according to calibration. Additionally, the minimum value may be a common value for the state in which only the core of the printer paper remains.

And, as shown in FIGS. 3(b) and 3(c), the guide portion 131c may be configured as a horizontal support provided to span the printer paper receiving portion 130.

That is, the guide portion 131c is a horizontal support formed at one end of the printer paper receiving portion and its center is connected to the fixing member 131b of the remaining amount measuring stick portion 131a, and is a bar of the remaining amount measuring stick portion 131a. A certain area at the center may be opened so that the shape structure penetrates and is supported, and a vertical hole may be formed to guide the remaining amount measurement stick portion 131a to move only vertically.

In addition, the fixing member 131b is fixed to the guide part 131c, so that the other end of the rod-shaped structure penetrates the guide part 131c and is placed on the top of the printer paper, while one end of the rod-shaped structure is fixed to the guide part 131c. It can be fixedly connected to the guide portion 131c to enable vertical rotation.

Here, the vertical hole formed in the guide portion 131c may be formed in close contact with the remaining amount measurement stick portion 131a so that it can move up and down at an angle of up to 180 degrees.

And, as shown in FIGS. 3(a) to 3(c), when new printer paper is inserted into the printer paper receiving portion 130, the angle formed by the remaining amount measuring stick portion 131a is the maximum angle value. It can be initially calibrated, and the angle when the printer paper is completely consumed can be fixed to the lowest angle value.

Accordingly, the remaining amount of printer paper calculated based on the variable angle value may be digitized and output in real time on the screen of the card payment terminal 100. Additionally, the angle sensing value of the remaining amount measurement stick portion 131a by the printer paper may be digitized and output on the screen of the card payment terminal 100.

Figure 4 is a diagram showing the structure of a remaining amount detection module of a card payment terminal without printer paper according to an embodiment of the present invention.

Referring to FIG. 4, the card payment terminal 100 according to an embodiment of the present invention is a diagram showing a case in which all cylindrical roll-shaped printer paper is used.

Here, as described above, the fixing member 131b is fixed to the guide part 131c, and the other end of the rod-shaped structure penetrates the guide part 131c and is placed on the top of the printer paper. Also, one end of it can be fixedly connected to the guide portion 131c to enable vertical rotation.

Accordingly, as the printer paper is used, the remaining amount measurement stick portion 131a gradually descends, and an angle value according to the inclination can be measured.

For example, while the remaining amount measuring stick part 131a is spread over new printer paper inserted by the seller, as payment information input to the payment information input unit 110 is continuously printed and output on the new printer paper. , the new printer paper is consumed.

Accordingly, the remaining amount measuring stick portion 131a may be draped over the roll core of the printer paper fixed to the printer paper fixing portion 133, and in this case, the sensor unit is adjusted according to the inclination of the remaining amount measuring stick portion 131a. The following angle value can be recognized as the minimum value.

Here, the remaining amount measuring stick part 131a is preferably in a form that moves up and down so as not to be shaken left or right due to external factors such as vibration or shock. For this, the hole through which the remaining amount measuring stick part 131a passes is It is formed vertically in a certain area of the guide portion 131c and induces only vertical movement.

In this way, the printer paper on which card payment information is printed and output is inserted into the printer paper receiving part 130, and the minimum remaining amount of the printer paper can be measured by the remaining amount measuring stick part 131a. .

Accordingly, so that the seller can quickly recognize the remaining amount of printer paper, a screen output unit that outputs an angle value according to the lowest inclination of the remaining amount measuring stick portion 131a and a corresponding paper replacement notification is provided at the card payment terminal ( 100).

Figure 5 is a block diagram showing the configuration of a card payment terminal according to an embodiment of the present invention.

Referring to FIG. 5, the card payment terminal 100 may basically include a power supply unit 105 that supplies predetermined power, a payment information input unit 110 for inputting payment information for card payment, and a control unit. (120), a paper remaining amount detection module 131, a screen output unit 140, a print output unit 150, and a memory unit 160 may be provided.

Here, the control unit 120 may include a payment information processing unit 123 and an encryption unit 125, and may further include a calibration processing unit 121 that sets the initial angle of the remaining amount measurement stick unit 131a. You can.

In addition, the control unit 120 can control the card payment terminal as card payment information for payment of goods or services is input and processed.

In more detail, the calibration processing unit 121 uses the sensor unit 1311 provided in the remaining paper amount detection module 131 to update the initial position of the remaining amount measuring stick unit 131a every time the printer paper is replaced. ) and is characterized by being interconnected.

Here, as shown in FIG. 5, the remaining paper amount detection module 131 may include the remaining amount measuring stick part 131a and the remaining amount measuring part 131d, and the remaining amount measuring part 131d is, It may include the sensor unit 1311.

More specifically, the remaining amount measuring unit 131d may measure the remaining amount of printer paper using the sensing information from the sensor unit 1311 and transmit it to the control unit 120. For example, the sensing information may be It may be an angle change corresponding to a change in inclination of the remaining amount measurement stick portion 131a.

Accordingly, when the printer paper is replaced and inserted, the calibration processing unit 121 may update the initial angle information of the remaining amount measurement stick unit 131a and transmit it to the sensor unit 1311.

In addition, the control unit 120 can guide the setting phrase of the initial angle value when the printer paper is inserted, and outputs the angle value corresponding to the inclination of the remaining amount measurement stick unit 131a to the screen output unit 140. It can be printed through .

Accordingly, when the printer paper is replaced and inserted, the control unit 120 calculates the current remaining amount information as the maximum value according to the update of the initial angle information of the remaining amount measuring stick part 131a, and outputs the information on the screen. It can be output through unit 140.

For example, when new printer paper is inserted into the printer paper receiving unit 130, the remaining amount measuring stick portion 131a is placed on the inserted printer paper, and the calibration processing unit 121 detects the updated remaining amount measuring stick. The angle value of the sensor unit 1311 corresponding to the inclination of the unit 131a can be updated and set to the maximum value.

In addition, as the printer paper is used, the remaining amount measuring stick part 131a gradually moves downward and is placed on the core surrounding the printer paper, and the sensor part 1311 fixes the angle value corresponding to the inclination. The value can be sensed as the lowest value.

More specifically, the calibration processing unit 121 may automatically update and set the inclination of the remaining amount measurement stick unit 131a to the maximum value after the printer paper is inserted into the printer paper receiving unit 130.

Accordingly, the sensor unit 1311 may update and set the maximum angle value of the remaining amount measurement stick unit 131a according to the inclination. In addition, the sensor unit 1311 senses the angle change corresponding to the change in inclination, and the remaining amount of paper can be accurately measured in real time based on the recognized sensing value of the sensor unit 1311.

In this way, the calibration processing unit 121 can automatically set the height of the remaining amount measurement stick 131a according to the printer paper to the maximum value each time the printer paper is inserted into the printer paper insertion unit 130. Automatic calibration can be performed.

Additionally, the calibration processing unit 121 may fixedly set the tilt of the remaining amount measurement stick portion 131a to a minimum tilt of 0 in relation to the preset core state of the printer paper.

In addition, since the specifications of the printer paper may change each time it is updated, the control unit 120 controls the remaining amount measurement stick unit 131a each time new printer paper is inserted into the printer paper receiving unit 130. A setting text for the initial angle value can be output to the screen output unit 140 for guidance.

In this way, the sensor unit 1311 can sense the change in inclination of the axis as an angle change, and an acceleration sensor, a gyro sensor, etc. can be used as a sensing method.

For example, the sensor unit 1311 sets the x and y planes, and if this sensor is tilted by θ, the acceleration applied to the axis of this sensor can measure the current angle (θ) according to the following mathematical operation. You can.

In Equation 1 above, g means acceleration due to gravity, and k means the sensed sensor value. Accordingly, the tilt of each axis can be calculated according to the gravitational acceleration applied to each axis.

Meanwhile, a screen output unit that outputs an angle value corresponding to the inclination of the remaining amount measuring stick portion 131a in response to the inclination value so that the seller can quickly recognize the inclination value of the remaining amount measuring stick portion 131a. 140 may be further provided in the card payment terminal 100.

In addition, the payment information processing unit 123 may process payment information for products or services input through the payment information input unit 110, and may use a typical credit card electronic payment method based on the received card payment information. The following services can be performed.

Additionally, the control unit 120 including the payment information processing unit 123 may further include a print output unit 150 that prints and outputs the payment information on the printer paper.

In addition, the encryption unit 125 encrypts information of a credit card used to pay for a product or service and may be provided for secure payment processing, and includes a calibration processing unit 121, a payment information processing unit 123, and The control unit 120 in which the encryption unit 125 is configured may further include a memory unit 160.

Here, the memory unit 160 stores and manages records such as the slope value of the remaining amount measurement stick unit 131a or payment history information for products or services required for operation and control of the card payment terminal 100. Contains one or more recording media.

Figure 6 is a diagram for explaining screen output according to insertion of printer paper into a card payment terminal according to an embodiment of the present invention.

First, referring to FIG. 6(a), an example is shown in which a text for setting the initial angle value of the remaining amount measurement stick unit 131a is displayed on the screen output unit 140 of the card payment terminal 100.

Here, since the specifications of the printer paper actually used are diverse, each time new printer paper is inserted into the printer paper receiving part 130 by the seller, the height of the remaining amount measurement stick part 131a may be different, and accordingly, It may be desirable to provide a text for automatically setting the initial angle value of the remaining amount measurement stick portion 131a.

For example, as the seller replaces and inserts new printer paper, the card payment terminal 100 recognizes the insertion of the printer paper and, as shown in FIG. 5(a), is guided by a text and clicks OK. The angle value corresponding to the current inclination of the remaining amount measurement stick portion 131a may be set as the initial maximum value.

And, referring to FIG. 6(b), it is a diagram showing an example of updating the initial angle value set for the remaining amount measurement stick unit 131a on the screen output unit 140 of the card payment terminal 100.

In this way, as the seller replaces and inserts new printer paper, the card payment terminal 100 recognizes the insertion of the printer paper, and the sensor unit 1311 provided in the remaining amount measuring unit 131d detects the remaining amount measuring stick part. As the initial angle value of 131a is recognized and set, as shown in FIG. 5(b), the angle formed by the remaining amount measurement stick unit 131a at the top of the screen output unit 140 is set to the initially set maximum value. can be printed.

Additionally, the remaining paper amount according to the angle formed by the remaining amount measuring stick portion 131a may be updated and output at the top of the screen output unit 140.

As shown in FIG. 6(b), as the remaining amount of paper according to the angle formed by the remaining amount measuring stick portion 131a at the top of the card payment terminal 100 is output in real time, the seller determines the remaining amount of printer paper. can be recognized without directly checking with the naked eye, and improved quality payment services can be provided to consumers.

The above has described preferred embodiments of the card payment terminal 100 according to the present invention, but the present invention is not limited to these embodiments, and the present invention described in the claims by a person with ordinary knowledge in the relevant technical field The present invention may be modified and changed in various ways without departing from the technical spirit and scope of the present invention.

100: card payment terminal 110: payment information input unit
130: Printer paper receiving portion 131: Printer paper remaining amount detection module
300: mediation server 400: card company server

Claims (7)

In the card payment terminal,
a printer paper receiving portion formed on one side of the card payment terminal to accommodate roll-shaped printer paper on which payment information for card payment is printed and output; and
A printer paper remaining amount detection module is fixed to one end of the printer paper receiving unit and measures the remaining amount of printer paper,
The printer paper remaining amount detection module,
A remaining amount measuring stick unit having a rod-shaped structure and including a fixing member whose end is rotatably connected so that the rod-shaped structure is placed on top of the printer paper when the printer paper is received;
A horizontal support formed at one end of the printer paper receiving unit, the center of which is connected to the fixing member of the remaining amount measuring stick portion, is formed with a certain area at the center open so that the rod-shaped structure of the remaining amount measuring stick portion penetrates and is supported. , a guide portion formed with a vertical hole that guides the remaining amount measurement stick portion to move only vertically; and
A sensor unit that measures the remaining amount of printer paper from an angle value according to a change in inclination of the remaining amount measuring stick part.
Card payment terminal. According to paragraph 1,
The card payment terminal is,
Further comprising a control unit that controls to output the remaining amount information of the printer paper obtained from the sensor unit through a screen output unit.
Card payment terminal. According to paragraph 2,
The control unit,
Further comprising a calibration processing unit that sets the initial angle of the remaining amount measurement stick portion.
Card payment terminal. According to paragraph 3,
The calibration processing unit,
When the printer paper is replaced and inserted, the initial angle information of the remaining amount measuring stick unit is updated and transmitted to the sensor unit.
Card payment terminal. According to paragraph 3,
When the printer paper is replaced and inserted, the control unit calculates the current remaining amount information as the maximum value according to the update of the initial angle information of the remaining amount measuring stick portion and outputs it through the screen output unit.
Card payment terminal. According to paragraph 3,
It further includes a print output unit that prints the payment information input for the card payment on the printer paper.
Card payment terminal. According to paragraph 1,
The printer paper receiving part,
A printer paper fixing portion formed by opening some areas on both sides of the printer paper receiving portion so that the center of the roll of the printer paper is fixed.
Card payment terminal.