Printronix T5000 Series Quick Reference Manual page 53

This product has been tested and found to comply with the limits for
Class A Information Technology Equipment according to European
Standard EN 55022. The limits for Class A equipment were derived
for commercial and industrial environments to provide reasonable
protection against interference with licensed communication
equipment.
Warning
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.
53