Choose the background you want, using the right arrow key, and change the number of SCAN PASSES to change the resolution using the A and D characters. Z to erase pen. X to redraw pen. Press SPACE to scan! Enjoy!
THX to @griffpatch_tutor 's video: https://youtu.be/aBTh756kCZw?list=PLy4zsTUHwGJKBKpKmaLkjz4lUIl7PKlzD THX to @UNKN0VVN12 who gave me the image (his profile picture) for this project. Google for other pictures.