This is the most reliable method. Follow each step carefully. One wrong key combination can fail to enter the required mode.
A restores the printer to the exact state it was in when it left the factory. It resets:
The network settings are now initialized, and you can begin a fresh Wi-Fi setup. Method 3: Entering Service Mode (Hard Reset / Error 5B00)
This is the most reliable method. Follow each step carefully. One wrong key combination can fail to enter the required mode.
A restores the printer to the exact state it was in when it left the factory. It resets:
The network settings are now initialized, and you can begin a fresh Wi-Fi setup. Method 3: Entering Service Mode (Hard Reset / Error 5B00)