It's no surprise the entertainment industry uses copyright law to protect its products. But a printer maker? Lexmark International is doing just that―and it could cost you money. If you have an Optra T620 laser office printer, you can buy a Lexmark-branded high-yield toner cartridge for $395. Or you can buy a remanu-factured cartridge made by other companies for $170. Lexmark, which makes most of its money selling supplies―as do all printer makers―wants you to buy its toner. So it's using the Digital Millennium Copyright Act of 1998 (DMCA) to try to shut out rivals.
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