This article is for educational and informational purposes only. The "Canon Service Tool" (often referred to as SST) is proprietary software intended for authorized Canon service centers. Modifying your printer’s firmware or EEPROM settings using unauthorized tools may void your warranty, cause permanent hardware damage, or render your device unusable. Proceed at your own risk.
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. It was originally intended for authorized technicians and is primarily distributed through third-party forums or file-hosting sites. Downloading files from unofficial sources can expose your computer to malware or viruses Using unauthorized service tools may void your warranty or permanently damage your printer's firmware. How to Use Canon Service Tool 1050 To use this software, your printer must be in Service Mode . Follow these general steps: Enter Service Mode: Turn off the printer but keep it connected to your PC via Press and hold the button (triangle icon). Press and hold the button while still holding Resume. Release the button, then press it (the LED will typically change color with each press). Release the button. The LED should remain solid green or blue. Run the Tool: ServiceTool_V1050.exe administrator on a Windows PC. The tool should automatically detect your printer. Reset Counter: Run the tool : Double-click on the downloaded