Firmware updating is not risk-free. A power failure during this process can brick the main controller. This guide assumes you have technical access to the SST (Service Support Tool) and the correct .bin file provided by Canon authorized dealers.
I went to the official Canon support site, but the iR 2318 is an older model, and the specific update file for the network interface was buried deep in the legacy archives. I eventually found the correct and RUI (Remote UI) Firmware . I made sure to verify the file checksums to ensure they were pristine. canon ir 2318 firmware update extra quality
Use the Canon Service Support Tool on your PC to "Push" the firmware files to the device. Firmware updating is not risk-free