Always run the downloaded .zip or .exe through VirusTotal.
If you are looking for a legitimate diagnostic tool or reset utility (e.g., for ink absorber or waste pad counters), I can help explain safe, authorized methods or refer you to Canon’s official resources. Let me know your exact printer model and issue. canon service tool v4905 download repack
Given that many printers supported by v4905 are 8–12 years old, consider upgrading to a new printer with lower ink costs (e.g., an EcoTank or MegaTank model). You might save more on ink than you spend on a new device. Canon Service Tool v4905 Download Repack: What It