The firmware actively manages the hardware's power consumption. Features such as IEEE 802.3az (Energy Efficient Ethernet) are implemented at the software level, allowing the switch to reduce power to ports during periods of low data link utilization.
You can upgrade the J8013E firmware using these official HP Support tools: Update the firmware on an HP printer | HP® Support hp j8013e firmware better
: Latest revisions often include fixes for CERT vulnerabilities and enhancements to IPsec or HTTPS encryption protocols. hp j8013e firmware better