HP Color LaserJet Enterprise CM4540 MFP Product Series - Performing a Firmware Upgrade

3. Select the Firmware Upgrade link from within the Troubleshooting tab. (see
below)
4. If you get a warning screen please read and following the instructions for
setting an Administrator password within the Security Tab.
5. Browse and choose the bundle firmware file. Select the Install button.
6. Do not close the Browser Window or interrupt communication until the
Embedded Web Server displays the Confirmation Page. (see below)
NOTE: This may take some time as the file size is large.
7. The printer will need to be restarted (Turned off and back on). This can be
done Now or Later from the Confirmation Page within the EWS. It is
recommended that it be done once the screen is presented to make sure
that the update is complete. If “Restart Later” is chosen, the update will not
be complete until the device is restarted.