What's the difference between a paper printer interface _ printing equipment problems

by:Xprinter     2020-05-07

paper printer interface with other printer interface is somewhat different, let's take a look at.

in order to meet the needs of different printing environment, paper printer interface type has very rich, different printers have parallel, serial port, so, for the user to choose USB port, but we are all very easy to overlook these small the effects of interface on the office efficiency and cost. Now let's take a look at what is the difference between these interfaces.

parallel port is also known as parallel interface. At present computer basically equipped with parallel port, parallel interface mainly as a printer port, use the 25 needles D shape connector. Parallel, refers to the 8 bits of data at the same time through the parallel line transmission, so data transmission speed is greatly increased, but the parallel transmission line length is limited, because the length increases, the interference will increase, the data are easy to get wrong, and does not apply to separate kitchen and other printing equipment and computer printing environment.

a serial port is called a serial interface, the PC now generally has two serial COM and COM 1 2. Serial port is different from the parallel port in its data and control information is sent one by one,. Though this speed will be slower, but longer transmission distance is parallel port, so if you want to for a long distance communication, serial port should be used. COM usually use 9-pin 1 D coupling, also called RS - 232 interface, and some use COM 2 is old-fashioned DB25 pin connector, also known as RS - 422 interface, this interface is now rarely used.

compared with parallel interface of bulky clumsy, now the common square on the printer USB interface is small and exquisite, USB interface has the characteristics of wide application, can be hot plug. Is a user in the use of an external device, don't need to turn it off again on such action, but in front of the computer at work, can be used directly to the USB plug in. But there are also people who believe that compared with the parallel port inspection after long time practice, the stability of the USB interface needs to be improved.

in addition to the above three kinds of interface network, so an interface is also very convenient. Through the cable printing devices connected to the LAN can easily transmit information. The interface for a computer to control more printer or several computers using a printer conditions are applicable, but using stable network and pay attention to network security.

paper printers have so rich interface optional, top products covers different interface in paper printers, part of the high-end products support multiple interfaces at the same time, the user can choose according to their own office environment the best printing solutions.

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