The "4905" designation refers to a specific version of the tool. Different versions exist (e.g., 2400, 3200, 4900, 4905), and v4905 is one of the most recent and widely compatible releases. It is particularly known for supporting Canon PIXMA printers with removable print heads and those that use the "QY6-0086" or similar print head assemblies.
October 26, 2023 Subject: Technical Overview and Usage of Canon Service Tool v4905 canon service tool 4905
While holding Power, release Stop/Resume and press it 5 or 6 times (depending on the model) before releasing both buttons. The "4905" designation refers to a specific version
