Connect your printer via USB and run the TSC Diagnostic Tool.
Based on the naming convention and date tag ( 20221222 ), this file likely contains the update for the SC24526 series or specific hardware revisions. Key Details & Identification
The .rar archive typically includes the .img or .bin firmware file along with an update utility. sc24526-LEUpd20221222.rar
Better handling of specific label media or print speeds. How to Install
Improved stability for USB or Ethernet connections. Connect your printer via USB and run the TSC Diagnostic Tool
The file appears to be a firmware update package for TSC barcode printers .
Select the "Command Tool" or "Firmware Update" tab in the utility and point it to the extracted file. sc24526-LEUpd20221222.rar
Resolving vulnerabilities in the printer's network stack.