Removing Carbon Copy Ink from Paper?
Since this an ink that is stamped on there I would use a razor blade to scrape it off. You can buy razor blades in small packs. A craft knife might be too thick for the job.
Can't Open the Drip Tray on Food Saver?
Try WD-40 and use the red tube. Practice first so you know how it works. Then put the tube with can right into the tray spaces that need to be loosened and spray quickly down the edge fast because so much spray comes out an once
Two Pictures in One
Ive seen this done before but your explanations and pictures are great. Now I can remember how to do it.