As a laser printer that is different from common office use, the printer has been widely used in many occasions, such as shopping malls to print small tickets, invoices, printers for printing VAT invoices for financial companies, and so on. So what is the interface of the ticket printer? The following small series introduces you.
The interface of the ticket printer is somewhat different from the interface of other printers. In order to meet the needs of different printing environments, the interface type of the ticket printer has been developed very richly. Different printers have parallel port, serial port, network port and USB port for users to choose. Now let us look at the difference between these interfaces. .
1. Parallel port is also called parallel interface. At present, the computer is basically equipped with a parallel port, and the parallel interface is mainly used as a printer port, and a 25-pin D-shaped connector is used. The so-called "parallel" means that 8-bit data is transmitted simultaneously through parallel lines, so that the data transfer speed is greatly improved, but the length of the line for parallel transmission is limited, because the length is increased, the interference is increased, and the data is prone to error and no Suitable for printing environments such as kitchens and printing devices and computers.
2. The serial port is called serial interface. Today's PC generally has two serial ports COM 1 and COM 2. The serial port differs from the parallel port in that its data and control information are transmitted one by one. Usually COM 1 uses a 9-pin D-shaped connector, also known as the RS-232 interface, while COM 2 uses an old-fashioned DB25-pin connector, also known as the RS-422 interface. It has been rarely used.
3. Compared with the bulky and awkwardness of the parallel interface, the common square USB interface on the printer is now a lot of small and exquisite. The USB interface has a wide range of features and can be hot swapped. That is, when the user uses the external device, it does not need to turn off the camera and then turn on the computer, etc., but when the computer is working, the USB can be directly plugged into use. However, some people think that the stability of the USB interface needs to be improved compared with the parallel port that has been tested for a long time.
In addition to the above three interface networks, the network port is also a very convenient interface. By connecting the printing device to the LAN via a network cable, information can be easily transmitted. This interface works well for one computer to control multiple printers or multiple computers for one printer, but use a stable network and pay attention to the security of the network.
The ticket printer has such a rich interface. The top products cover the printers with different interfaces. Some high-end products support multiple interfaces at the same time. Users can choose the best printing solution according to their own office environment. The use of ticket printers is very extensive.
The interface of the ticket printer is somewhat different from the interface of other printers. In order to meet the needs of different printing environments, the interface type of the ticket printer has been developed very richly. Different printers have parallel port, serial port, network port and USB port for users to choose. Now let us look at the difference between these interfaces. .
1. Parallel port is also called parallel interface. At present, the computer is basically equipped with a parallel port, and the parallel interface is mainly used as a printer port, and a 25-pin D-shaped connector is used. The so-called "parallel" means that 8-bit data is transmitted simultaneously through parallel lines, so that the data transfer speed is greatly improved, but the length of the line for parallel transmission is limited, because the length is increased, the interference is increased, and the data is prone to error and no Suitable for printing environments such as kitchens and printing devices and computers.
2. The serial port is called serial interface. Today's PC generally has two serial ports COM 1 and COM 2. The serial port differs from the parallel port in that its data and control information are transmitted one by one. Usually COM 1 uses a 9-pin D-shaped connector, also known as the RS-232 interface, while COM 2 uses an old-fashioned DB25-pin connector, also known as the RS-422 interface. It has been rarely used.
3. Compared with the bulky and awkwardness of the parallel interface, the common square USB interface on the printer is now a lot of small and exquisite. The USB interface has a wide range of features and can be hot swapped. That is, when the user uses the external device, it does not need to turn off the camera and then turn on the computer, etc., but when the computer is working, the USB can be directly plugged into use. However, some people think that the stability of the USB interface needs to be improved compared with the parallel port that has been tested for a long time.
In addition to the above three interface networks, the network port is also a very convenient interface. By connecting the printing device to the LAN via a network cable, information can be easily transmitted. This interface works well for one computer to control multiple printers or multiple computers for one printer, but use a stable network and pay attention to the security of the network.
The ticket printer has such a rich interface. The top products cover the printers with different interfaces. Some high-end products support multiple interfaces at the same time. Users can choose the best printing solution according to their own office environment. The use of ticket printers is very extensive.
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