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| Home > FAQs > How does an ink cartridge work |
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| How does an ink cartridge work? |
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| A printer has usually two ink cartridges - one for black and the other for the primary colors. The divisions in the ink reservoir have metal plates and there are numerous tiny holes on the print head of the cartridge. When the print command is given, current flows through the metal and heats up the ink. The ink swells up due to the heat and an ink droplet pours out of the tiny hole of the cartridge onto the paper. The entire process takes only a few milliseconds. |
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