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For The Identification Of For TOSHIBA Toner Quality

Edit: Guangzhou Peng Trade Co.,Ltd      Date:Jun 09, 2017

1, the size and distribution of particles: the size and distribution of For TOSHIBA Toner particles directly affect the performance of the toner, which is related to the manufacturer's process equipment. Small particles can increase the resolution of the copy, in the development unit Easy to charge, easy to make copies of high density, and large particles to improve the mobility of For TOSHIBA Toner, thus ensuring a good delivery in the development unit, but they only carry a relatively small amount of charge, so they It is easy to remain and accumulate in the developing unit, and the presence of them on the secondary print results in a low resolution and a poor fixation on the copy. The particle size of the ingot is generally in the range of 7 to 10 m In this range, the distribution is also concentrated in these particles.While the size of the domestic powder is generally 10-14 microns, the distribution is also very wide and not concentrated, like this particle size will cause poor stability for the For TOSHIBA Toner, Rate difference, fixing is not strong.

2, Caking temperature: small agglomeration temperature is defined at this temperature, the physical properties of toner changes, such as unwanted sintering. Test method can be placed in a thermostat oven, After a certain period of time to determine whether the signs of agglomeration, the appropriate temperature range of 40-50 ℃

3, blackness: the black value of the calculation is the black value of the test before the first launch of a certain number of strong light beam, shot to the measured graphics, and then reflected back to the black value of the tester, calculate the beam to be absorbed, and then fixed The value of the calculation program. Laser printer copier is mainly designed for office, so the average blackness value is generally around 1.48. And in my country some models of the printer, is used to film or sulfuric acid paper and the like print media, these print media fibers are subject to special chemical treatment, relatively ordinary printing paper, the resin is more difficult for For TOSHIBA Toner Melting into the paper fiber, so the requirements for the For TOSHIBA Toner is relatively high. In the case of ensuring the state of the drum, the average blackness value is generally around 1.50 (individual models average blackness up to 1.55, such as Xerox P8e). We generally have such a habit, that print the more black the better the toner. But sometimes other factors for the For TOSHIBA Toner may also cause this illusion, such as toner fixation is poor, just adsorbed on the surface of the paper without sufficient penetration into the paper fiber, then the paper surface For TOSHIBA Toner particles Stacked on the surface of the paper, the absorption rate of light is very high, people feel very black, which is some users say that print proofs do not have to see, touch it can know the reason is not black. But in fact, the melting point of this For TOSHIBA Toner is high, the printed words are not strong, not a good toner. Of course, the high degree of blackness also has its negative effect, that is, a certain amount of toner, in a certain average coverage, the relative reduction in the number of pages printed. Toner standard blackness should be around 1.4-1.5, imported powder are generally maintained in this range, while the domestic powder blackness in the 1.2-1.5 range, its stability is not strong.