Your computer must be running one of the following operating systems: Mac OS 10.2.8 or later. I used the method of installing HP easy start, This update is recommended for the HP LaserJet Pro 400 Printer M401 Series that have a firmware version older than the one posted. NOTE: This firmware update utility may reset all product settings including IP address (if networked), The configuration page can be printed by pressing the go button. The firmware version can be found on the Self Test / Configuration page. The updater checks the firmware version installed on the printer,
The HP Printer Utility gives you access to product features and settings in and can be found on the software CD which came with the product. Remote firmware update using the HP Printer Utility (Macintosh OS X) The HP Printer Utility is a software program which is available in Mac OS X V10.3 and later.
