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I wonder how actual tracking works. They cannot know my laser printer at home prints certain dots? They must know first that I may have done it, then get printe
by sebazzz 8y ago
I wonder how actual tracking works. They cannot know my laser printer at home prints certain dots? They must know first that I may have done it, then get printed paper to match the dots.
- vishnuharidas 8y agoOnce they have a printed paper, they can decode it and find out the printer serial number. This serial number is included in the invoice that you received when buying that printer, thus the printer company knows who owns a printer that has a particular serial number.