HP DesignJet PostScript/PDF Upgrade Kit
This accessory makes easy work of complex applications. Count on your largest PDF and PostScript files to travel swiftly over the network without complication. Print PDF files or scan[1] directly from/to a USB drive plugged into the touchscreen.
The HP DesignJet PostScript accessory enables you to increase the efficiency of your printer and easily accommodate large, complex files.
Easily and effectively manage and match PANTONE* colors with HP Professional PANTONE Emulation. Create prints emulating solid PANTONE* colors that are optimized for this printer and your choice of media.

[1]Scanning functionality available only with the HP DesignJet T2530 and T3500 series MFPs.