Manufacturer Part #: USBtoMINICEN

If you find that your new computer doesn't have a standard parallel port, this USB to Mini-Centronics (IEEE 1284-C or IEEE 1284C) combo cable set is perfect to connect these older printers to a USB only computer.
Installation is very easy and straightforward. Simply attach the USB to parallel cable to the mini-centronics adapter and plug each end to the printer and computer. If you're using Windows XP or Vista, the USB drivers install automatically. Then, you'll need to install the individual printer drivers, most of which are built into Windows XP.
Compatible Models

HP LaserJet 1100 Series
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HP LaserJet 3200 Series*
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HP LaserJet 4500 and 4550 Series
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HP LaserJet 4600 and 4650 Series
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HP LaserJet 4700 Series*
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HP LaserJet 5500 and 5550 Series
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HP LaserJet 9000 Series
* This printer also has a USB port
Each kit includes all you need to connect a USB only computer to a mini-centronics printer.
Typical Application
Click picture for larger image
NOTE: This adapter is not Macintosh compatible. Although it fits physically, HP did not write Macintosh compatible drivers to be used over a parallel connection.