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O'Neil 4t

4.09" DT, 203 dpi, 2.5 ips, IrDA, Serial, swivel belt clip. Requires Belt Loop- (Part# 210156-001).

Portable Printer
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O'Neil 4t Portable Printer

The flagship of the O-Neil of reliable printing solutions is the 4t direct thermal portable printer. This workhorse portable offers the most reliable performance available, printing outstanding quality 4" receipts, proof of deliveries, labels, and invoices. The 4t offers serial printing as well as wireless, and is simply your finest choice worldwide for route accounting, direct store delivery, field service, logistics, home delivery and pre-sales systems.

Full specifications (PDF)

Manufacturer part number: 200247-100

Technical Information

  • Print Method:
    • Direct Thermal
    • Direct Thermal (DT)
  • Print Resolution: 203 dpi
  • Print Speed: 2 ips
  • Interfaces:
    • Wireless
    • 1 x Serial
  • Input Voltage Range: 12 to 15 V DC
  • RAM Memory: 1Mb
  • Flash Memory: 4Mb
  • Mobile Printer: Yes
  • Power Source: Battery

General Information

Physical Characteristics

  • Weight:
    • 17.05 oz - Printer only
    • 32.95 oz - With battery & paper roll

Included Features

  • Included Features: Swivel Belt Clip

Environmental Conditions

  • Temperature:
    • -4°F (-20°C) to 131°F (55°C) Operating
    • -40°F (-40°C) to 158°F (70°C) Storage
    • 41°F (5°C) to 104°F (40°C) Charging
  • Humidity: 10 to 90% Non-condensing

Agency Approvals

  • Agency Approvals:
    • FCC Class B
    • CE
    • C-Tick

Mobile Features

  • Network Connectivity: IrDA

Media Characteristics

  • Maximum Label Roll Diameter: 2.25"


  • Manufacturer Warranty: 2 Year(s)