The lower price can be provided for green laser pointer if the order is large enough.
HSB model is closest to the reality of a color model used, is consistent with the general habits of the user to adjust color. Note: HSB mode of another title for the HLS model, that Hue (Hue), brightness (Luminance), Saturation (Saturation). Translated into Chinese, Indexed Color that we often say “indexed color mode.” In this mode, the image defines a full color image stored in the area, known as the “palette.” Color of each pixel in the image corresponds to the “palette” of a certain color. Thermal inkjet technology is the use of heating simply put bubbles of ink, the ink through the nozzles spray the process to the print media. Thermal inkjet technology early, mature technology, equipment and low cost. But in the hot bubble and ink cartridges under pressure to produce, so the cartridge must be integrated with the nozzle structure, so supplies are relatively expensive. Epson’s Micro Piezo print technology is based on the voltage across the piezoelectric crystal in the case of changes in the characteristics of stretch or shrink, spray ink evenly and accurately, resulting in high precision color printout of the image. Micro Piezo ink head nozzle and the cartridge is in the discrete structure, such a nozzle can support multiple cartridges, thus saving the user’s cost. The customer asks for the earlier dispatch of green laser pointer .
However, the Micro Piezo print technology, there are many inherent shortcomings, such as the slim nozzle easily blocked, so the use of such technology requires frequent cleaning of the printer nozzle, relatively Fei Mo. Secondly, such a print head is also more delicate, high failure rate, relatively large power at work, vibration, noise. Changing the original bitmap: The raster image processor, laser printers will print the page into a bitmap, and then converted to electrical signals sent to the laser scanning unit. Bitmap variable charge “negative image”: in the laser scanning unit, the image on the page point bitmap is converted to a laser signal transmission to the imaging drum, in the bitmap corresponds to each pixel, there is a pixel value when the emission a laser beam, not value-free emission. Laser emission produced on the imaging drum when a small light point, imaging drum with a charge in advance, by the laser beam will be discharged to the point, not to the point of exposure is still with the charge, through this process, the page position map was converted into the charge on the imaging drum “negative image.” Charge “negative image” to Toner “As”: toner and imaging drum with the same nature on the charge, imaging drum rotation, the charge “negative image” after the developer roller, the discharge point will be charged on the adsorption toner, and the point of discharge is not repulsion is not as same-sex absorb the toner, so that charge “negative image” was turned into a toner “As.” The worker should perform the manufacture in accordance with the production plan of green laser pointer to ensure the output of green laser pointer .
Toner “just as” a piece of paper into a bitmap: With the drum rotating drum also was charged when the paper through the drum, toner is attracted to the paper as printed images. As the toner is easy to fall off, so the paper to go through a heating roller so that toner tightly adsorbed on the paper. As color laser printers use four-color toner, so the above first charge “negative image” and Toner “just as” the generation of steps to be repeated four times, each time on the adsorption of different color toner, drum will form the final cyan, magenta, yellow, black four-color images. It is precisely because there is a color laser printer is repeated four times in steps, so the color print speed was slower than the speed of black and white print. Latest color laser printing technology is the so-called “time imaging” technology. Key to this technology is the need to do the laser light-emitting tube is small enough, a light pipe in the existing location to put down four colors corresponding to the four light-emitting tube. Currently this process is too expensive, so “one image” of the color laser printer can not afford the average user, but there is no doubt that this is the future direction of development. The place and date should be included in the improvement action table of green laser pointer .