Savin 4090 Operation Instruction Manual page 11

Notice
Do not make copies of any item for which copying is prohibited by law.
Copying the following items is normally prohibited by local law:
Bank bills, revenue stamps, bonds, stock certificates, bank drafts, checks, pass-
ports, driver's licenses.
This machine is equipped with a function that prevents making counterfeit bank
bills. Due to this, images similar to bank bills may not be copied properly.
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