When this happens, the printer effectively locks itself to prevent ink overflow, requiring a "resetter" to clear its internal memory and get back to work. The Secret Handshake: Service Mode
The printer must be placed into a special diagnostic state called "Service Mode" before the resetter can communicate with it.
If you reset the counter multiple times without cleaning the pads, the waste ink will eventually overflow and ruin the printer or cause a mess. How to Clean the Ink Absorber Pad resetter canon e510
: Unplug the power cable for 30 minutes. If it still does not turn on, the EEPROM chip on the motherboard is corrupted and needs physical replacement by a technician. Crucial Hardware Warning
button prints a final diagnostic report confirming the counter has been cleared. Critical Considerations When this happens, the printer effectively locks itself
While holding the Power button, press the button 5 times consecutively. Release the Power button.
Always download resetter tools from reputable sources to avoid malware. A reliable way to find a tool is to: How to Clean the Ink Absorber Pad :
The printer chip is locked out from a previous failed attempt.
Release the Power button. The green power light will flash for a few moments and then stay lit continuously.