The designation refers to the specific version of the tool. Newer versions exist (v5000, v5100, v5200), but v4905 remains the most widely compatible and frequently requested version because it supports a broad range of older and mid-range Canon printers (circa 2008–2015).
That said, many users have safely downloaded and used the v4905 tool by exercising caution. A security analysis of one popular download source—canon‑service‑tool‑v4905.software.informer.com—gave it a , noting that it appears "generally safe and legitimate" with no major malware or phishing detections. The key is to choose your download source wisely. download canon service tool v4905
The Service Tool will not communicate with your printer under normal operating conditions. You must manually force the hardware into . The designation refers to the specific version of the tool
A dialog box saying "A function was finished" will appear. Click OK. You must manually force the hardware into