The process of downloading the Ricoh Pentax Digital Camera Firmware Update Utility 5.4.2 for Mac OS driver should begin automatically after a few seconds. If this does not occur, click on one of the links below (we recommend downloading the Ricoh Pentax Digital Camera Firmware Update Utility 5.4.2 for Mac OS driver from the primary server - this is the manufacturer’s Ricoh official website). If the download still fails to run, check whether your anti-virus software is not blocking the connection to the manufacturer server of the Ricoh Pentax Digital Camera Firmware Update Utility 5.4.2 for Mac OS diver.