Update the device firmware to the latest version.
Please refer to the Firmware Update Instructions for steps in updating the printer firmware.
If the issue persists, search for more information related to this issue or contact support for further assistance.
The 802.1x wireless legacy power save mode can cause issues with poor ping response times and poor responsiveness in Wireless network mode with some wireless APs/routers and networks. This mode was enabled by default in the FW6 releases.