To identify the IP address of connected LAN printer:
- Pair the LAN printer with a mobile device.
- Turn the printer OFF.
- Press and hold the paper FEED button on the printer while turning it back ON.
- After the printer is turned ON and sound beeps, release the FEED button. Printer will print two reports listing various printer specifications among which the IP address will be printed as well.
For supported LAN printers check this list.