The ink cartridge is the implementor of the printer's output function, and it passively accepts instructions to work. Its quality problems will not have any impact on the printer motherboard and printer program. However, the discarded ink cartridges have a great environmental pollution. There are three main aspects. The plastic shell that is not easily degraded causes white pollution, the water pollution caused by colored inks, and the air particle pollution caused by black and colored powders. In response to the environmental pollution of waste ink cartridges, the first national standard for recycled consumables in 2008, "Technical Specifications for Remanufactured Ink Cartridges for Inkjet Printers," was implemented in Shanghai. The use of discarded running-in and reuse methods reduced printing costs for users, saving money Energy saving. The ink cartridge recycling technology is as follows: Manufacturer's drip method The drip method belongs to the manufacturer's introduction method, which is suitable for the case where the ink cartridge and the print head are separated. Canon BC-21e color ink cartridge is this type. The BC-21e color ink cartridge is composed of a print head, a black ink tank, and a color ink tank. Partial composition. The separable black ink tank is called BCI-21b, and the color ink tank is called BCI-21c. Since the two ink tanks can be separated from the print head, there must be an ink pipe interface connected to the print head. Here, we call the pipe interface at the lower end of the ink tank as the ink outlet. The manufacturer's drip method uses the ink outlet as an inlet for refilling ink. In order to cooperate with the drip method, the manufacturer has designed and provided a full range of accessories for users: ink bottles, ink cartridge covers, and screws (Figure 3). A drip hole is drilled on the ink cartridge cover at the position corresponding to the ink outlet of the ink cartridge, this is for inserting the ink bottle to drip the ink. For tri-color ink cartridges, a color label is attached to the side of the ink cartridge cover corresponding to the drip hole. The user must strictly check the color of the ink outlet corresponding to each hole to avoid adding wrong ink. The steps of the drip method are: To prevent the ink from overflowing and staining the desktop, first put the ink cartridge upside down on soft absorbent paper, and then put the ink cartridge cover on the ink outlet end of the ink cartridge. At this time, it should be seen from the drip hole on the ink cartridge cover To each ink outlet. For the BC-21c color ink cartridge, remove the stopper of the corresponding color ink bottle, insert it into the drip hole on the ink cartridge cover, and use a screw to pierce a small hole in the aluminum foil at the rear of the ink bottle to allow air to enter and the ink is under the force of gravity Start dropping into the ink cartridge. For the BC-21b black ink cartridge, unplug the black ink bottle, insert the drip hole on the ink cartridge cover, and remove the vent cap at the rear of the ink bottle to allow air to enter, and the ink begins to drip into the ink cartridge under the action of gravity. Note: The volume of each bottle of ink is enough to drip once, the user should refill after a certain color of ink is consumed; the user should not try to add two bottles of ink to the ink cartridge at once, this will cause the excess ink to overflow. For Canon BCI-21b black ink cartridges, BCI-21c color ink cartridge manufacturers provide similar set of ink tools. The advantages of the drip method: it does not damage the structure of the ink cartridge, it is simple and convenient, and it is easy to master. Disadvantages: Adding ink from the ink outlet will cause dust and other large particulate matter that may clog the nozzle to enter the print head directly without passing through the cartridge filter system. If the compatible ink quality is not high, it may cause the nozzle to clog and the print head is scrapped This separate print head should have a long life if the original ink is replaced. Therefore, when the quality of compatible ink cannot be determined, the risk of regeneration of the separate ink cartridge by the drip method is the greatest.
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