5B20
Cause
A printer error has occurred.
What to Do
Make a note of the detailed error code (ECxx-xxxx) that appears on the touch screen, and then turn off the power and unplug the power cord.
Contact your Canon dealer for assistance.
Detailed error codes
EC25-4001 EC41-4001 EC43-4001 EC44-4001 EC47-4001 EC49-4001