How to solve error C000 on Canon Pixma MX870 and MX860

MX870, MX860, MG520...
Solution 1:

1. Switch off the printer
2. Disconnect the power cable

3.Open door: 
4.Remove the orange protective tape (A) and remove the white polystyrene (protective equipment) (B). 

5.Verify in the printer there is no protective equipment:

6.Close the door.

7.Connect the cable and switch on.

Solution 2 : - Check for any foreign body in the printer: piece of paper, paper clip... - Check for any paper jams.

1. 
   
   Solution 3:
   - This error code C000 could be made by an empty cartridge: check for this.
   
   
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