Amazon.com Product Description
The Hewlett-Packard Adobe PostScript level 2 DIMM for the HP LaserJet 2100 includes 35 typefaces from Adobe as well as access to thousands of other Type 1 typefaces. Once it is installed, you can easily switch between the enhanced PCL 5 that is standard with your LaserJet and Adobe's PostScript page-description language.
To install, simply drop the card into an expansion DIMM slot in your LaserJet and you're ready to roll. PostScript level 2 gives your printer many enhancements including memory management, data compression, forms and pattern caching, and much more to speed up your printing. The card ships with 4 MB of RAM to optimize PostScript capabilities. This DIMM is compatible only with the HP LaserJet 2100.
Product Description