alidaclarkasked Oct 23, 2020 at 11:01pm
The printout has a vertical, top-down black trail
Print has a black streak running from top to bottom can be caused by 2 reasons. The first reason is that the ink wiper is stuck, you need to clean the ink wiper. skribblio
Also, it may be due to scratched or chipped ink brush and your solution is to replace the ink wiper if using too long.