The Printronix T4M provides uncompromised performance and features with the same PSA3 advanced electronic architecture found in the high performance T5000r. Ideal for light industrial and commercial applications, the T4M thermal barcode printer delivers reliable performance with its rugged metal design.The Printronix T4M industrial and commercial printer represents the latest addition to the Printronix ThermaLine series of thermal bar code printers. Easily upgrade the T4M with a variety of user installable options like internal Ethernet or RFID. All Printronix T4M printers are designed as RFID Ready and can easily be upgraded with Printronix patented MP2 encoding technology to read and encode UHF RFID Smart Labels.Â