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)
: Manually clears the "ink absorber full" error after physical replacement of the pads. EEPROM Operations Canon Service Tool V.4718 Download UPD