While holding the Power button, the Stop/Reset button.
While there are several versions of the Canon Service Tool available online (such as v3400, v4905, or v5103), version v4720 strikes the perfect balance for many users:
: Provides advanced alignment and nozzle check options beyond the basic driver settings. Broad Compatibility
What specific or light-blinking pattern are you seeing? canon service tool v4720 download better
What specific is showing on your computer or printer screen?
Click under the "Clear Ink Absorber Counter" section. Click "EEPROM" to save settings. Turn your printer off and on again. Better Alternatives for Long-Term Maintenance
: Executes nozzle checks, deep cleanings, and test patterns directly from the service interface. While holding the Power button, the Stop/Reset button
: Press and hold the Stop/Resume button (usually designated by a red triangle inside a circle).
No installation is required; simply run the .exe file. Why v4720 is "Better" Than Earlier Versions
This "hack" is possible due to security design choices in older Canon printers, which never fully locked down the diagnostic commands needed to access the printer's core system. What specific is showing on your computer or printer screen
Question about service mode - Laser, 3D, Inkjet Printer Help
Canon Service Tool V4720 Download: Features, Usage, and Better Troubleshooting Alternatives