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Why give up parallel port connectivity when you still may need it for legacy mainframes, legacy operating systems and older IT systems? You can continue to support parallel port functionality - with a simple, reliable and affordable HP solution. The HP 1284B Parallel Card is a modular parallel port interface for the Color LaserJet 3000 series. Easy to install, the card fits into an available EIO slot of the printer. You can cost-effectively maintain support for parallel port devices.