HP LaserJet Pro MFP M148-M149 User Guide - Page 139
Update the firmware, Method one: Update the firmware using the control panel, Service, LaserJet Update
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Update the firmware HP offers periodic printer updates, new Web Services apps, and new features to existing Web Services apps. Follow these steps to update the printer firmware for a single printer. When you update the firmware, Web Service apps will update automatically. There are two supported methods to perform a firmware update on this printer. Use only one of the following methods to update the printer firmware. Method one: Update the firmware using the control panel Use these steps to load the firmware from the control panel (for network-connected printers only), and/or set the printer to automatically load future firmware updates. For USB-connected printers, skip to method two. NOTE: The steps vary according to the type of control panel. 1 2 3 1 2-line control panel (fax models) 2 2-line control panel 3 Touchscreen control panel 2-line control panels: 1. Make sure the printer is connected to a wired (Ethernet) or wireless network with an active Internet connection. NOTE: The printer must be connected to the internet to update the firmware via a network connection. 2. On the printer control panel, press the Setup button. 3. Open the Service menu, and then open the LaserJet Update menu. NOTE: If the LaserJet Update option is not listed, use method two. 4. Select Check for Update to check for updates. NOTE: The printer automatically checks for an update, and if a newer version is detected, the update process automatically starts. 5. Set the printer to automatically update the firmware when updates become available. On the printer control panel, press the Setup button. ENWW Update the firmware 127