IBM 4400-006 - 4400 Model 006 B/W Direct Thermal User Manual page 302

Communication Statements
Australia/New Zealand
Attention: This is a Class A Product. In a domestic environment
this product may cause radio interference in which case the user
may be required to take adequate measures.
Korea
China
Declaration: This is a Case A Product. In a domestic environment
this product may cause radio interference in which case the user
may be required to take practical actions.
302