Ink is used in pens and common inkjet printer ink cartridges, including red, blue, yellow, black and other inks; toner is used in toner cartridges of laser printers, mostly black, but also color toner.
Currently, color toners used in color copiers, color printers, color fax machines, and color printing machines are generally chemically synthesized polymerized toners. This chemically polymerized toner is mainly made of other auxiliary materials such as emulsions, pigments and cross-linking agents. The preparation method is as follows: first put together other auxiliary materials such as emulsion, pigment and cross-linking agent, and stir uniformly to make granular material. Then, add acid and detergent to clean the granular material to wash off the floating material on the granular material. After that, the cleaned granular material is dried. Finally, auxiliary materials such as silicon dioxide are added to the dried granular material, and the mixture is uniformly mixed.
There are generally 48 or more independent nozzles on the printing nozzle, and each nozzle can spray more than 3 different colors: blue-green, red-purple, yellow, light blue-green and light red-purple. Generally speaking, the more nozzles, the faster the inkjet process is completed, that is, the faster the printing speed. These small ink droplets of different colors fall on the same point, forming different complex colors.

On the other hand, they all improve the technology in terms of color blending. Common methods include: increasing the number of colors, changing the size of the ejected ink droplets, and reducing the basic color density of the ink cartridge. Among them, it is effective to increase the number of colors. For example, the 6-color ink cartridge we mentioned just now, when the printer sprays 6 different colors of ink droplets on the same spot, the color combination can be up to 64 kinds. If three different sizes of ink droplets are combined, it may produce 4096 different colors.
Color printers only work when you have toner in each box. Even if you select color but detect that your content is black and white, it will automatically select black to print.
I have a black and white laser printer, because I want to print some red-headed documents, that is, a single red document. The inkjet printer is not water-resistant. Does anyone know if I can buy another drum and replace the powder inside with red toner. , so when you want red, you can replace this drum, and when you want black, you can replace it with another drum. Is this okay? To be considered, but the toner of the replacement drum needs to be suitable for this printer, and the red header file needs to be modified into a red header file, a blank black file, and the paper needs to be printed twice, if the red header file is not allowed to be changed. did it