Canon Service Tool < 2025 >

Here’s a write-up on — what it is, its purpose, risks, and legal/ethical considerations. What Is a Canon Service Tool? A Canon Service Tool (often labeled as SST or Service Tool followed by a version number, e.g., v5.0, v5.4, v5.8) is a proprietary software utility used by Canon-authorized service centers and technicians to perform low-level maintenance, diagnostics, and repairs on Canon printers (especially inkjet models like Pixma, Maxify, and certain imageCLASS devices).