Canon G3400 Reset [new]
The power lamp will flash, then stay lit, indicating the reset is complete. Manual Reset (Service Mode)
Press the button once. The printer will reset the internal counter and may print a page showing D=000.0 , confirming the reset. Turn the printer off and then back on to exit Service Mode. Factory Reset (Settings & Network) canon g3400 reset
When the printer is in Service Mode, the number of times you press the button triggers different internal actions: Number of Presses Action Triggered Service test print EEPROM information print EEPROM initialization (Counter reset attempt) Waste Ink Counter Reset (Standard method for G3400) physically access and clean The power lamp will flash, then stay lit,
Release the button once the lamp has flashed the correct number of times. Method 2: Using the Setup Menu Turn the printer off and then back on to exit Service Mode
If manual button combinations fail, you may need the Canon Service Tool (ST5302 or similar) software, which requires a PC connection. To help you further, let me know: Are you seeing a specific Error Code (like 5B00 or P07)? Do you have air bubbles in the colored tubes? Is the printer currently connected to a computer ?
Her fingers trembled as she performed the sequence. The G3400 whirred to life, not with its normal cheerful chime, but with a deep, industrial groan. The lights flashed erratically. Green. Amber. Green. Then, silence. The machine had entered “Service Mode.” She half-expected it to speak, to ask for a password.






