Whichever path you choose, always respect the risks: download only from trusted sources, scan every file, and never use a service tool on a printer you cannot afford to lose. With care and proper research, the Canon Service Tool can give an old printer a new lease on life—but without caution, it can also turn a working printer into an expensive paperweight.

Many websites offering "free downloads" of printer resetters package the software with Trojan horses, adware, or ransomware. Always scan any downloaded .exe or .zip file with updated antivirus software before opening it. 2. EEPROM Corruption (Bricking)