Lexmark printer cartridges for the T520, T620, and T630 laser printer families use chips to verify that the cartridge is one manufactured by Lexmark, and cartridges from third-party vendors without those chips will not work in Lexmark printers.

Last year, Lexmark won an injunction in a Kentucky court prohibiting SCC from distributing its Smartek chips that replicate the signals sent from Lexmark’s chips in the T520 and T620 printers. After reviewing the text of that decision, SCC has come back with three new Reengineered Replacement chips that provide additional benefits such as ink management and maintenance features.

Read the full article at PC World.