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Canon “F” & “S” Series Waste Ink Tank Counter Reset

Canon “F” & “S” Series Waste Ink Tank Counter Reset

The reset procedure below is valid for a variety of Canon printers including S900, F890, F700, S500, S900, S820, S750 and S520. To see guides for other printers please read the full article here.


Before you start please note that the Resume button mentioned below will be represented by this symbol on most printers.
  1. Turn off the with POWER button.
  2. Press and hold the RESUME button before pressing and holding the POWER button.
  3. Release RESUME.
  4. Press the RESUME button twice to enter service mode. Note: You should still be holding the POWER button.
  5. Pressing the RESUME four times (the LED will switch color with each press). Note: It is important you press RESUME exactly four times as more or less will cause the printer to perform a different function.
  6. Press POWER to finalise the reset and press the POWER button again to restart the printer.


Please note that by following this procedure you are not emptying the tank/pad but simply resetting the counter that estimates how full it is. Please read our full article here for more information.



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I have been involved in the printer industry since I was 18 and have been an employee of Refresh Cartridges since early 2009. I am a dedicated family man, gamer, music fan and friend to all. I write the majority of the content here on Igloo and am responsible for its upkeep.

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