If you have changed your router, updated your Wi-Fi password, or the printer keeps dropping its wireless connection, resetting the network settings is the quickest fix. Turn the printer on.
Using this tool voids your warranty if the printer is still under coverage. However, most G3400 units are out of warranty by now.
If you are experiencing Wi-Fi connection problems, you don't need to do a full factory reset. Instead, you can reset just the network settings. This will erase all saved Wi-Fi network information so you can set up the connection from scratch. canon g3400 reset
How to Perform a Canon G3400 Reset: Comprehensive Step-by-Step Guide
This is the first thing to try for any unusual printer behavior. If you have changed your router, updated your
Resetting a Canon PIXMA G3400 is the go-to fix when your printer stops mid-job with a "Support Code 5B00" or flashing orange lights. This error usually means the waste ink absorber is full, but often, it’s just a software counter that needs a quick refresh. The Quick Fix: Factory Reset
General glitches, unresponsive software, and minor connectivity errors. However, most G3400 units are out of warranty by now
The G3400 uses a bottle-based ink system rather than cartridges. While this saves money, the printer still counts how much ink it thinks has been used. If you refill the tanks, the printer may still warn you that ink is low unless you reset the counter.