First off, you should have the right tools. Then, pay attention to details like cleaning up any noise or artifacts. Also, make sure the contrast and brightness are balanced to bring out the best in the scans. It takes some practice and patience.
It's had a huge negative impact. Pirating cuts into the profits of manga creators and publishers, making it harder for them to keep creating and distributing new content.
It's had a huge negative impact. Piracy steals potential revenue from creators and publishers, which can lead to less investment in new manga projects.
Manga scans are basically unauthorized digital copies of manga. They're different from official releases because they're not authorized and often of poorer quality.