Leo knew the software couldn't talk to a "locked" printer. He had to put it into Service Mode He turned the printer off. He held the Stop/Reset button and then pressed and held While holding Power, he released Stop and tapped it (or 6, depending on his specific model).
While using the Canon Service Tool V6000 is a fantastic way to save hardware from landfills, you must address the physical reality of the situation. Resetting the digital counter physically clean the ink pads.
If you are looking for a newer version, a Service Tool v6100 is now available, addressing more recent error codes. canon service tool v6000
Disconnect all other USB devices from your PC, use a different USB port, restart the software as administrator, and ensure the printer is truly in Service Mode. Locked Mainboard (Eeprom Corruption)
While the software is incredibly helpful, mishandling it can permanently brick your printer. Keep these risks in mind: The "Error Code: 006" Bug Leo knew the software couldn't talk to a "locked" printer
If Canon detects a service tool reset, they can (and do) flag your printer’s serial number. Good luck getting official help.
You cannot use the V6000 tool while the printer is in its normal operating state. You must put it into "Service Mode." While using the Canon Service Tool V6000 is
Prints out the status of the printer’s internal components. Supported Canon Printer Models
Generates detailed grid patterns and technical logs to verify nozzle alignment, feed mechanics, and sensor health.
Because this is a leaked proprietary tool, official sources do not exist. Many websites offering the "Canon Service Tool V6000 free download" bundle the EXE with trojans, keyloggers, or ransomware.