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WPL304 Desktop Barcode Printer


WPL304 Desktop Barcode Printer

Featuring direct thermal and thermal transfer barcode label printing technology and best in class standard connectivity options (Ethernet, USB, Serial, and Parallel), the Wasp WPL304 desktop barcode printer provides a price-performance combination unmatched by other desktop barcode printers. With the smallest footprint of any Wasp 4-inch format printer, the WPL304 is an excellent choice for cramped workspaces. Suitable for printing 4x6 shipping labels.

Featuring both direct thermal and thermal transfer printing. The WPL304 prints 203 dpi barcodes at speeds up to 4" per second and is supported by 8 MB SDRAM and 4 MB Flash memory. Flexible connectivity and small form factor make the WPL304 perfectly suited for a wide range of applications including Point-of-Sale, asset tracking, shipping, receiving, and inventory labeling.

The Wasp WPL304 comes with a 2-year manufacturer’s warranty covering material defects.

If you would like to upgrade this coverage, WaspProtect extended service plans cover accidental breakage and can provide coverage beyond the original warranty.

To ensure compatibility, the WPL304 includes WPL, ZPL, and EPL emulation and is FCC Class B, CE Class B, C-Tick Class B, UL, CUL, TUV/Safety, and CCC certified.

For greater flexibility and enhanced performance, Wasp offers a variety of media supplies and optional accessories.

Part Numbers: 633808404055, 633808404079, 633808404086


WATCH: WPL304 Overview

Runtime: 1:24


  • Thermal transfer and direct thermal printing
  • 4.17” inch max. print width
  • 203 dpi print resolution
  • 4" inch per second print speed
  • 8 MB SDRAM, 4 MB Flash memory with SD expansion slot
  • WPL, ZPL, and EPL emulation
  • Accepts label rolls with 5" inch max. outer diameter
  • Accepts 110 meter ribbon with .5” inch notched internal core
  • Compact, double-walled clamshell design
  • See-through media viewing window
  • Internal Ethernet, USB 2.0, serial (RS232), and parallel connectivity standard


  • Smallest footprint allows WPL304 to easily fit into cramped workspaces
  • Fast throughput, without between-label delays
  • Durable clamshell design for easier media loading
  • Multiple connectivity options allows easy and quick integration into any environment

Ideal For


System Requirements