HP LaserJet Printer Memory is proven to improve printing performance of complex documents by enhancing data flow. Printing needs have advanced from simple, word-processed documents to more complex files like color presentations, two-sided output, graphic-intensive PDF files and Web pages. The more complex the document, the more memory a printer needs to stay up to speed. The HP LaserJet 16MB SDRAM DIMM is one of an array of memory products HP designed to fortify your printer so it can handle the latest memory-rich documents.