How do I use the NTY forger

Hint 1 of 9:

Did you OPERATE briefcase to open it?

Hint 2 of 9:

Are you in a private, enclosed place?

Hint 3 of 9:

Did you "OPERATE CALCULATOR" to expose the forger?

Hint 4 of 9:

The forger works only on blank passports;can't use american passport.

Hint 5 of 9:

"TAKE unused passport".