Hi Kevin,
I have a multi-function printer scanner that has a similar problem when it needs to be
cleaned.
This link explains the problem and how to fix it. Maybe your issue is similar.
https://help.brother-usa.com/app/answers/detail/a_id/62055/~/black-vertical…
<https://help.brother-usa.com/app/answers/detail/a_id/62055/~/black-vertical-lines-when-copying-or-scanning>
Good luck,
-Dan
On Apr 2, 2021, at 5:56 PM, Kevin Parker via cctalk
<cctalk at classiccmp.org> wrote:
If there is anyone on the list familiar with scanners I'd be most grateful
for some advice please.