Released the Power button. The light flashed rapidly and then settled into a solid, peaceful green. The machine was in "Service Mode." The Final Countdown

Note: This resets settings but may not clear firmware-level counters (ink absorber). Use if other resets fail.

. (The indicator light will alternate between green and orange with each press). Release both buttons

directly to a wall outlet (avoid using surge protectors for this step). Turn on the printer and try printing a test page. 3. Method 2: Resetting the Wi-Fi / Network Settings

This is the most common reset procedure for the G3400 and involves two main steps: entering Service Mode and then using specialized software.

Look down at the section, set the value to 0% , and click Set .

Are you trying to fix a or an ink counter error ?

She turned the printer off and on again. The 5B00 error was gone. She opened her report and hit 'Print.' The printer roared to life, churning out pages, indifferent to the fact that its "absorber" was still, theoretically, full.

(Error 5B00), it's highly recommended to physically clean or replace the waste ink pads. The reset tells the software the pads are empty, but if they are physically saturated, they could eventually leak and damage the internal electronics. You can find replacement pads on sites like AliExpress MnogoChernil Does your printer have a specific Support Code Error Message on the screen right now?

This procedure puts the printer into "Service Mode" and uses a hardware button sequence to wipe the counter. A sheet of plain paper should be loaded into the printer. MnogoChernil Step 1: Enter Service Mode

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

Ultimate Guide to Canon Pixma G3400 Reset: Fixing 5B00 and Ink Errors

: Navigate to the "Main" tab within the software interface.

the power cable from the wall outlet and the back of the printer. Disconnect the USB cable from your computer.

Once the printer is in Service Mode, your computer will detect a "New Hardware Found" device.

the Stop button while still holding down the Power button.

Make sure you are timing the button presses precisely. If the printer stays completely frozen with an orange light, the mainboard might be locked, requiring a chip replacement or a professional technician.