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