How to solve error 6500 or P20 on Canon printers



Il peut y avoir, entre autre, ces deux explications à ce code d'erreur. Pour certains modèles, les lumières orange et verte clignotent alternativement 20 fois.


Solution 1:
  • Power off the printer and disconnect the power cable
  • Wait 10 minutes.
  • Plug in the power cable and switch on the printer

Solution 2:
  • Check all the cartridges: they must be well inserted.

Solution 3:
  • Chek the chip of the cartridges: it should be well positioned.

Solution 4:
  • The sticker on the front of the cartridge can interfere with the LED recognition during initialization: remove it gently.

Solution 5:
  • The mainboard is defective

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