Vertical banding is easier to diagnose than horizontal banding. There are only a couple of causes which are the following:
- Incorrect print head position adjustments
As such we recommend you perform the following to resolve this issue:
- Perform print head position adjustment
- If the issue is only in the Cyan channel, please try printing in Advance Photo.
If your prints are displaying vertical lines, please submit a ticket with our support team for further assistance.