Do you know the answer what is the paper coverage? In a word, coverage means that the percentage of area covered by ink when printed, relative to the area of the entire sheet of printed paper.

For example, 5% coverage means that after printing, the paper covers is covered in ink by 5%. Though this concept is simple and easy to be understood, but having considered different printing contexts, all the coverage are not the same. So in the current, we widely used in the field of printing 5% coverage black and 5% coverage for other three colors to be a print premise and it has become the industry standard. More specifically, like HP cf226X toner cartridges, its page yield can reach 9000 and 5% coverage, means that this toner cartridge (or ink), the number can be printed on A4 paper（21*29.7cm) area, printed on each page of text and pictures are equivalent to the surface area accounted for 5% of the cases, which can be printed on the 9 thousand page.

How do you calculate the number of copies printed by toner cartridge?

Original black toner cartridge print number based on the standard print pattern on average, 5% coverage of print on A4 paper number, the color integration and the toner cartridge usually is based on standard print pattern on the A4 paper on average,15% coverage of print number calculation. As for the color separation cartridge is usually calculated on the average of 5% on an A4 paper or coverage calculated on the number of printed copies. The color toner cartridges are all sub-bodies such as cf226x, and the calculation method is also calculated by printing the average 5% coverage rate of the standard print mode on A4 paper. Therefore, the number of printouts of toner cartridge can be used to guarantee the number of printed copies.

The following is a matter of caution:

1.In the use of color ink jet toner cartridge (here refers to the consubstantial ink cartridges) process, we should pay attention to the yellow, cyan, magenta three color balance, don’t just play emphasis on a color picture, because as long as the cartridge exhaustion of a color, even if the other color is not exhausted, inkjet cartridge cannot continue to use and this shows the amounts of prints are less.

2.In general, the higher the resolution of the printed image, the more ink or toner is used.

3.Light consumption of less ink, bright red or cyan compound color requires more than on basic color to synthesize, thus it needs consume more ink or toner. The more times the printer is cleaned, the more ink it consumes and it’s recommended that the nozzle be tested every time when it’s cleaned. This will reduce the ink.

4.The amount of print paper is relative of the ink and toner quality. Some of the ink is too fluid and the amount of ink is too large, others the waste of some carbon powder is too high, which affects the number of printed pages.

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