How to reset waste ink counter on a Canon IP3680

Here is the procedure to reset the waste ink counter (error 5B00) for a Canon IP3500, IP3600, IP3680:

To do this reset, you have to download the Canon IP3680 Service Tool: https://www.box.com/shared/fi583530hc


Procedure:

Step 1:  Enter in Service Mode

• Turn off the printer without pulling the power cords.
• Hold down the "Resume" button and press the "Power" button.
• Keep holding down the "Power" button and let the "Resume" button go.
• Press the "Resume" button twice then release the two buttons.
• Now, the printer is in Service Mode state.

Step 2: Use the reset tool

• After you download the Service Tool, extract it and double click on "iP3680.exe"
• Click the "Reload" Button
• You will get a new USB port.
• Load some papers in your printer, press the "Main" Button once and wait until the printing is done.
• Press the "EEPROM Clear" button to clear EEPROM.
• Press the "EEPROM" button and the printer will print some text.
• Power off the printer and turn on.