HP Universal Print Driver ( UPD) is an intelligent print driver that supports a broad range of HP LaserJet printers and veloped by Hewlett- Packard, it combines a general purpose driver ( UNIDRV or PSCRIPT) and HP proprietary extensions. HP UPD simplifies driver deployment and management. This advanced print driver has the ability to discover HP printing devices and automatically configure. Canon iR2520 imageRUNNER 2520 Specifications / Technical Datasheet - Canon A3 Office Printer MFD for Lease and Sale to London Business - iR2520 Network Information & overview. Look up Canon, canon, or canonical in Wiktionary, the free dictionary.