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Datamax-O'Neil E-4204B Mark III Basic Thermal/Direct Thermal Printer - Serial/USB

  • 203 DPI
  • Direct Thermal/Thermal Transfer
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Datamax-O'Neil E-4204B Mark III Basic Thermal / Direct Thermal Printer

The E-Class Mark III is a family of compact desktop thermal printers designed for a wide variety of industries and applications that require a reliable and cost-effective barcode printer. Datamax-O'Neil applied its industrial printer expertise to provide customers with an entry level printer that has the features and reliability normally found in more expensive printers. The E-Class Mark III is affordable to own, easy to use and economical to operate.

  • Easy Loading - The horizontal split cabinet with a rear hinge allows for easy ribbon and label loading.
  • Rugged Construction - Double-wall construction and concentric hinges provide rugged structural integrity.
  • Wrap Around Media Window - Allows operator to visually verify the media level without interrupting the printing operation.
  • Safe from Spills - The sealed user interface panel is sealed to prevent liquids and debris from damaging the sensitive user controls.
  • Lowered Ribbon Costs - Larger 1in. core standardized ribbons cost less than the typical smaller desktop ribbons.
  • Large Media Roll - Reduce interruptions and increase up time with larger media capacity on the Professional + model.
  • Internal Fan Fold Stack - Protects media from the environment and eliminates curl on the Professional + model.
  • Easy Serviceability - No tools or experience required to replace the most critical parts, the printhead and platen roller.
  • Large Graphical Display - Allows for quick and easy changes and provides visual status indication (Professional models only).
  • Optional Wireless - 802.11 a/b/g and Bluetooth communication makes it easy to share, manage, and place printers where you need them (Professional models only).



  • Product Labels
  • Work-in-Progress
  • Repairs Tracking
  • Agency Labels
  • Instructions


  • Item Labels
  • Shelf Tags
  • Specials and Talkers
  • Returns Labeling/Tagging


  • Specimen Tracking
  • Records Labeling
  • Patient ID Wristbands
  • Asset Identification
  • Pharmacy

Postal Service

  • Shipping Labels
  • Parcel Routing
  • Delivery Management

Value is more than just the purchase price of a product. It is a balance between cost, features and sustainability. We call this the Three Dimensions of Value. The E-Class Mark III incorporates all these dimensions. It is affordable to own, easy to use and economical to operate.



Learn more about the Datamax E-4204B




Print Technology
Direct Thermal/Thermal Transfer Printer
Print Speed
Max Resolution(B&W)
203 dpi
64MB Flash / 16MB DRAM

Media Handling

Media Type


Serial / USB


Indicators/Display - Two Light Indicators with 3 Colors
Maximum Print Width - 4.25" (108 mm) @ 203dpi (8 dots/mm); 4.16"(106 mm) @ 300dpi (12 dots/mm)

Dimensions & Weight

8.01"w x 7.36"h x 11.10"d (203.5mm x187mm x 282mm)

Manufacturer Warranty

1 Year

Quick Info

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