As I tried to scan my latest work I discovered that my scanner had a white line running on the digitized image. I confirmed by scanning the cover of a sketchbook.
I had to search for a couple of days what the problem was... Meanwhile I really pondered on how artists that mainly use digital art have it easy! Maybe I should make the switch too. ☺
Then let me tell you... If you look at any official support given by HP (the unfortunate brand I use) you're out of luck! Their information on how to fix it sucks. It is the old "turn off and on again and clean the glass..." duh-doy.
Here is how my scans were turning out: