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Datamax-O'Neil E4203

Direct thermal printer, 4 inch print width, 3 ips print speed, Serial and Parallel interfaces, 2MB DRAM, 1MB Flash, Thermal transfer cover

This part is replaced by J42-00-4J000U00.
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Datamax-O'Neil E4203 Printer

The E4203 printer was designed from the ground up to be more price, feature, and value competitive than any other printer in its class. The E4203 can print a wide variety of labels ranging from small office shipping labels to compliance and general purpose product identification labels and tags. Medical laboratories, automobile service shops, shipping/mail centers, and inventory stock rooms are all typical examples of the types of businesses that can benefit from the E4203. and with PDF417 and MaxiCode 2D bar code capabilities, the E4203 can print complex transportation symbols and label formats. The E4203 printer is available in Direct thermal or Thermal transfer mode. All units ship with product documentation.

Full specifications (PDF)

Manufacturer part number: J12-00-4J000U00

Technical Information

  • Print Method:
    • Direct Thermal
    • Thermal Transfer (TT)
    • Direct Thermal (DT)
  • Print Resolution: 203 dpi
  • Print Speed: 3 ips
  • Interfaces: 1 x USB
  • Maximum Print Width: 4.1"
  • Maximum Label Width: 4.3"
  • Maximum Label Length: 24"
  • Media Sensor:
    • Reflective
    • See Through
  • Power Supply: External Not Included
  • RAM Memory: 2MB
  • Flash Memory: 1MB
  • Mobile Printer: No

General Information

Physical Characteristics

  • Dimensions:
    • 7.05" (179.07mm) x 8.77" (222.76mm) x 10" (254mm)
    • 7.05" (179.07mm) x 8.77" (222.76mm) x x 10" (254mm)
  • Weight: 2.4 kg (5.29 lb)

Included Features

  • Included Features: Media Sensing

Agency Approvals

  • Agency Approvals:
    • UL
    • Canadian
    • European
    • CE
    • FCC Class A

Media Characteristics

  • Maximum Label Roll Diameter: 4"
  • Label Core Size: 1"
  • Ribbon Core Size: 0.5"


  • Package Contents:
    • E-4203 Label Printer
    • US Power Cord

Environmental Conditions

  • Temperature: 40°F (4°C) to 95°F (35°C) Operating