Inkjet technology is a new, non-contact, pressure-free, print-free printing technology that converts information stored in an electronic computer into an inkjet printer for printing. According to the working principle, inkjet printing technology can be divided into solid inkjet and liquid inkjet. The main working methods of liquid inkjet printers are divided into thermal foaming and micro-piezoelectric, and these two technologies are still the mainstream of today's office printing market.
At present, mainstream printing brands such as Hewlett-Packard on the market, although using different spray techniques, are inseparable from the two pillar technologies of thermal foaming and micro-piezoelectric.
The printing technology used in HP inkjet printers is thermal foaming. It wins with speed. The basic principle is that by heating the nozzle, the ink is bubbled and sprayed onto the printing medium, which belongs to high temperature and high pressure printing technology.
â–²The working principle of thermal foaming inkjet technology
Using a thin film resistor, the ink of less than 5 picoliters is instantaneously heated to above 300 ° C in the ink ejection zone, forming numerous tiny bubbles, which are aggregated into large bubbles and expanded at an extremely fast speed (less than 10 microseconds), forcing The ink droplets are ejected from the nozzle. The bubble continues to grow for a few microseconds and disappears back to the resistor. As the bubble disappears, the ink in the nozzle retracts. The surface tension then creates a suction force that pulls the new ink back into the ink ejection area for the next cycle of printing.
Since thermal foaming is carried out under higher temperature conditions, it is required that the ink jet is required to have a good circulation system and high tensile properties. HP has SPT's comprehensive printing technology that enables high-speed printing through the design of ink cartridges, nozzles and smart chip controls and printer software.
HP Original Ink has a smaller ink drop and a higher frequency of ink drops, resulting in a richer blend of colors and superior print quality. not only that! It's an integrated design that combines ink and printheads, and it's always new, so you don't have to worry about nozzle clogging. Each time the ink cartridge is replaced, it is replaced with a new one, and the replacement cost is low.
Buy original HP ink cartridges for exceptional print speeds and consistently reliable prints – this is HP's consistent commitment to you.
The basic principle of micro-piezoelectric printing technology is that the ink droplets are pressed out of the nozzle by the deformation of the crystal, which belongs to the normal temperature and normal pressure printing technology.
â–²The working principle of micro piezoelectric printing technology
Micro-piezoelectric inkjet technology prints well, but concentrates most of the nozzles on one printhead, slowing down the print speed and clogging the printer's ink head. In this way, not only does it need to waste a large amount of ink to clean the ink head, but also it takes an expensive price to replace the print head, which inevitably increases the purchase cost.
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