Differences among thermal sublimation printer, stylus printer, inkjet printer and laser printer
June 02,2022
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According to the printing principle, common printers include needle printer, laser printer, inkjet printer, thermal sublimation printer, etc.
Dye sublimation printer
Thermal sublimation technology has entered China for about ten years. Thermal sublimation printer is mainly an instrument that transfers pigments to printing media by using heat energy. It can control the proportion and intensity of colors through different temperatures adjusted by semiconductor heating elements.
For example, the card printer adopts this technology, which has the characteristics of continuous color scale, so it performs very well in the fidelity and reducibility of the image, especially suitable for the printing of color photos. Compared with other printers, thermal sublimation printer has the advantages of super color expressiveness and long-term preservation of printed products. It has unique charm when printed on PVC card or photo paper. However, due to its advantages, compared with other types of printers, the purchase price and printing cost are higher, the printing speed is slow, and the printing environment requirements are high.
Needle printer is also called dot matrix printer.
The stylus printer uses 24 needles in the print head to strike the copy paper to form a font. In use, users can select multiple sheets of paper according to their needs. Generally, the commonly used multiple sheets of paper include 2 sheets, 3 sheets and 4 sheets, including 6 sheets of printer paper. Only the stylus printer can complete the multi sheet printing at one time, while the inkjet printer and laser printer cannot realize the multi sheet printing.
For a long time, stylus printers have occupied a very important position. Today, they have gradually faded out of the mainstream stage of printers. It has the characteristics of low price, low printing cost and wide format printing, but the shortcomings of low printing quality and high noise make it unable to adapt to high-quality and high-speed commercial printing. At present, needle printers are rare in general office, mainly used for printing invoices, statements and other bills; There is also a micro needle printer, which is widely used in banks, supermarkets and other units. At present, there are many needle printers in the market, such as Deshi, Yingmei, Epson and so on.
Laser printer
The laser printer is fixed through the selenium drum. The data signal is changed into a laser beam. The laser is emitted by the laser hair, refracted to the photosensitive selenium drum by the prism hand, and then the toner is heated and solidified on the paper.
Laser printing technology first appeared in the sixties and seventies. The original laser printer used the electronic laser tube filled with helium neon gas as the laser transmitter, which was large in volume. With the rapid maturity of laser printing technology, many technicians have successively designed semiconductor laser printers based on the technology of electrostatic copier, combined with laser technology and computer technology. Compared with needle printer, laser printer not only has good printing quality, fast output speed, very low noise, but also has high printing load, so it has been quickly popularized and applied. However, the initial investment cost of laser printer is large, the price of consumables is also relatively high, multi-layer replication is not allowed, and the requirements for printing media are also relatively high.
Ink jet printer
Ink jet printer is realized through ink cartridge, which allows ink to pass through nozzle, vaporize ink to form bubbles under the action of strong electric field, and spray it onto the surface of output paper to form patterns or characters.
Inkjet printing technology appeared in the early 1980s. Ink jet printing is that the ink is sprayed on the printing medium intermittently or continuously through the nozzle to form words or images. The ink jet printer has simple mechanical structure, light volume, low noise, low power consumption and high printing quality; The disadvantage is that the cost of consumables is high, there is no multi-layer replication capability, and the nozzle is easy to be blocked. At present, inkjet printers, needle printers and laser printers have become the three giants in the printer field.
Other types of printers include LED, magnetic, ionic and electrostatic printers.
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