🔐 Safety Steps: • Compare SHA‑256 with the value in the email. • Extract to a dedicated folder (C:\Canon\CST_4718). • Run Setup.exe as Administrator. • Install any prompted drivers. • Re‑enable AV after installation.

1️⃣ Verify you are an authorized Canon service partner. 2️⃣ Contact your local Canon Business Solutions (CBS) or Authorized Service Center. 3️⃣ Request the official download link + license key. 4️⃣ Receive: • CST_4.718.zip (or .exe installer) • SHA‑256 checksum • License key file (TXT)

🛠️ Basic workflow: 1. Launch CST. 2. Add device (IP or USB). 3. Select “Firmware” → “Check for updates”. 4. Click “Download/Install”. 5. Verify new version on device web UI.

🗒️ Documentation: • Keep a log: Date | Device SN | Old FW | New FW | Technician. • Export current settings before any parameter changes.