Unsupported Cartridge Lexmark 2400?

I have a brand new Lexmark 2420. I am using drivers for Windows 7, and I have installed the same printer on a Windows Vista computer. I am still using factory printer cartridges. I am getting an "Unsupported Cartridge" error message. It printed once when I connected the printer to my wireless connection.... show more I have a brand new Lexmark 2420. I am using drivers for Windows 7, and I have installed the same printer on a Windows Vista computer. I am still using factory printer cartridges. I am getting an "Unsupported Cartridge" error message. It printed once when I connected the printer to my wireless connection. It printed the wireless information and that is all. I have cleaned the cartridges on both sides. The cartridges do have working ink. The cartridges are the appropriate for my model. Help!
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