Where can I find information on firmware updates and remote printing for the E42540?
For information on firmware updates, advanced configuration using the Embedded Web Server, and remote and mobile printing, visit www.hp.com/support/ljE42540MFP. You can also press the Help button on the printer control panel to access Help topics. (Page 4)
From the official HP Laserjet Managed Mfp E42540 manual, page 4
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