Improved stability for USB or Ethernet connections.
Resolving vulnerabilities in the printer's network stack. sc24526-LEUpd20221222.rar
Connect your printer via USB and run the TSC Diagnostic Tool. Improved stability for USB or Ethernet connections
The .rar archive typically includes the .img or .bin firmware file along with an update utility. sc24526-LEUpd20221222.rar
Use a tool like 7-Zip or WinRAR to extract the contents.