You will get dirty if you cut it open, we are no longer living in the stone age.

Adam Savage just put out a neat video that featured this company’s CT scanners and software. They scanned two vacuum tube-esque components.

https://youtu.be/iTJvb-qibKQ

You have never opened a toner cartridge, have you? Toner dust is extremely messy, you definitely don't want to cut a cartridge in half.

Source: several years ago I was a teacher and a stupid student had the brilliant idea to open a toner in the classroom, took us forever to clean it.

yeah,my first tought was--yeah, a hammer shows that as well.