The availability of free downloads for Canon Service Tool v6000 without a password is limited, and I couldn't find any reliable sources that offer it. The software is typically only available through official Canon channels or authorized service providers, which may require a password or login credentials for access.

The Canon Service Tool v6000 is a software tool used for servicing and repairing Canon printers. It's a utility that helps technicians diagnose and fix issues with Canon printers, such as error codes, print head problems, and other hardware or software issues.

Please note that I do not endorse or promote any specific software downloads or sources. This information is provided for general guidance only, and you should use your discretion when searching for and downloading software.