Canon Support Code 6A80 6A81 6000 1313 + Knocking Sound: fix waste ink assembly lever reset PIXMA
We examined a printer that produces a knocking sound, then followed by an error message 6180. The subsequent error messages are 6A81, 6000, and 1313. We found a piece of a misplaced plastic part. However, upon installation, it did not fix the printer error. We further research the situation and found the solution is to reposition the ink sucker and load one of its springs.