Label printer Printronix T42X4 203 dpi with USB, RS232 and Ethernet interfaces

Printronix T42X4 is a 203 dpi thermal transfer label printer designed for reliable printing of shipping, inventory and barcode labels. It supports USB, RS232 and Ethernet interfaces and accommodates media up to 120 mm wide with a maximum print width of 104 mm. The compact unit accepts rolls up to 203 mm diameter and is intended for continuous everyday labeling in POS, warehouse and production environments.

Advantages

The printer offers thermal transfer printing at 8 dots/mm (203 dpi) for clear barcode and text output, fast print speeds up to 254 mm/s, and multiple connectivity options including USB Type A/B, RS232 and Ethernet. Built-in sensors for black mark and gap detection aid reliable media handling, and the package includes an internal power supply and EU power cable for immediate installation.

Suitable for

• Shipping and logistics labels
• Inventory and warehouse labeling
• Barcode and product identification labels
• Point-of-sale and production line labeling

Key specifications

• Printing method: Thermal transfer
• Resolution: 8 dots/mm (203 dpi)
• Maximum media width: 120 mm
• Maximum print width: 104 mm
• Maximum roll diameter: 203 mm
• Maximum speed: 254 mm/s
• Interfaces: USB Type A, USB Type B, RS232, Ethernet
• Sensors: Black mark sensor, Gap sensor
• Included: Internal power supply, EU power cable

How to use

Install the printer on a stable surface, connect the internal power supply using the included EU power cable, and attach the chosen interface cable (USB, RS232 or Ethernet) to the host system. Load thermal transfer media and ribbon per the user guide, ensure sensors are aligned for either black mark or gap detection, configure printer settings via the device driver or web interface, and send print jobs from your POS, warehouse or label software.

Recommendations

For consistent print quality and reliable operation, use media and ribbons compatible with 203 dpi thermal transfer printing, keep sensors clean from dust and adhesive residue, and verify interface and driver settings after installation. Regularly check roll alignment and replace ribbons before they run out to avoid printing interruptions.