打印机的基本工作原理（国外英文资料）.docVIP

打印机的基本工作原理（国外英文资料） The basic principle of the printer The printer works based on their type, but not how the lnovo printer works! In other words: if you want to talk about how the laser printer works, you dont have to worry about the brand! The working principle of needle, laser and inkjet printer Stylus printer works like this: the host from the code, after dealing with the printer on the input interface circuit to the printer in the main control circuit, under the control of the control program, coding characters or graphics, drive the print head to print a list of bitmap graphics, word car lateral movement at the same time, the column spacing or word spacing, and print the next column, per column for printing; When the line is finished, start the paper body into the paper, generate the row spacing, and print the head back to the line and print the next line. The process is repeated until it is finished. The name of the pin printer is the structure of the print head. The structure of the printing head is more complex, roughly speaking, can be divided into print needles, drive coils, locators, motivators and so on. In short, the working process of the print head is this: when the print head from a driver circuit current pulse, electromagnet drive coil produces the magnetic field to attract print wire armature, drive hit ribbon printing needle, hit a point of graphic on the printing paper. The printer is called a needle printer because of its printing function. Inkjet printers work almost as well as needle printers, and the difference lies in the structure of the head. Inkjet printers print head, is made up of hundreds of thousands of tiny diameter (about a few microns) composition of the ink channels, the number of these channels, also is the number of inkjet printer nozzle, it directly decides the inkjet printing precision. Each channel is attached to an execution unit that produces vibrations or heat. When the control circuit of the print head receives the drive