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Item#: N82E16828292046

Datamax-O'Neil EB3-00-1J000B00 E-4304B E-Class Mark III Basic Desktop Barcode Printer

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  • Direct Thermal and Thermal Transfer
  • 300 DPI, 4 IPS
  • Tear Edge
  • Serial and USB Interface

  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews
Datamax E-Class Mark III Series

Datamax E-Class Mark III Series

The E-Class Mark III is a family of compact desktop thermal printers that are 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.

We've made the E-Class Mark III thermal barcode printer easy to use with quick loading media and an interactive LCD screen. Users will also notice a substantial reduction in their daily operational costs thanks to the E-Class Mark III's larger media and ribbon roll capacity. The E-Class Mark III is one of the best values on the market. It is competitively priced with a proven design and reliable performance that will continue to operate long after other barcode printers have failed.
Datamax E-Class Mark III Series
  • 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 one-inch 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).
  • Battery Pack - Go mobile with the long lasting MPU-400 battery pack accessory.

popular applications

app Manufacturing
  • Product Labels
  • Work-in-Progress
  • Repairs Tracking
  • Agency Labels
  • Instructions
app Retail
  • Item Labels
  • Shelf Tags
  • Specials and Talkers
  • Returns Labeling/Tagging
app Healthcare
  • Specimen Tracking
  • Records Labeling
  • Patient ID Wristbands
  • Asset Identification
  • Pharmacy
app Postal Service
  • Shipping Labels
  • Parcel Routing
  • Delivery Management
Datamax E-Class Mark III Series

Affordable to Own– The E-Class Mark III was carefully designed to maximize your investment value by offering a competitive purchase price, double walled construction for increased durability and a proven design for long term reliability

Datamax E-Class Mark III Series

Easy to Use– The E-Class Mark III makes it easy to replace existing printers or install new ones with popular language emulations included with each printer and a selection of connectivity options. Users will appreciate the easy-to-use LCD screen and quick loading media/ribbon.

Datamax E-Class Mark III Series

Economical to Operate- The E-Class Mark III reduces daily operational costs by minimizing power consumption, and reducing the costs associated with printer consumables such as labels and ribbons.

  • Direct thermal, thermal transfer (optional)
  • 4.25" (108mm) maximum print width
  • 203dpi (8 dots/mm), 300dpi (12 dots/mm) optional resolution
  • 10ips (254mm/s) maximum print speed
  • Serial, parallel, USB, LAN (optional), wireless 802.11g (optional)
Basic Advanced Professional Professional+
Datamax E-Class Mark III Series Datamax E-Class Mark III Series Datamax E-Class Mark III Series Datamax E-Class Mark III Series
The Basic model meets the needs of the most popular barcoding applications. USB and serial ports are included as standard features. Optional 300dpi, thermal transfer and label peeler e also available. The Advanced model is for applications that need networking communications, faster print speed, or special media compatibility. The Advanced model includes all the features and options of the Basic, plus it includes parallel and Ethernet communications ports, a positionable media indexing sensor and prints at up to 5 inches per second. The Professional model is for sophisticated applications that require a higher level of interface capabilities, higher performance, and wireless communications. It features a graphical display with a navigational menu interface, real time clock, audible alarm, USB host connectivity, faster print speed, and optional wireless LAN and Bluetooth communications. The Professional + (plus) model is for applications that require a large internal media capacity. The Professional + has all the features of the Professional, including a large internal roll, internal fan folded media, and an optional cabinet lock.
E-4204B (203dpi)
E-4304B (300dpi)
E-4205A (203dpi)
E-4305A (300dpi)
E-4206P (203dpi)
E-4305P (300dpi)
E-4206L (203dpi)
E-4305L (300dpi)
Communication Options
USB 2.0
Serial RS232
USB 2.0
Serial RS232
Parallel Bi-directional
10/100 BaseT Ethernet
USB 2.0
USB Host
Serial RS232
802.11 a/b/g Wireless LAN (optional)
Parallel Bi-directional
Bluetooth® v2.0 (optional)
10/100 BaseT Ethernet
Dimensions (W x H x D)
8.01 x 7.36 x 11.10" (203.5 x187 x 282mm) 8.01 x 9.56 x 14"
(203.5 x 243 x 356mm)
5.25 lbs (2.4kg) 7.7 lbs (3.5kg)
4ips (101mm/s) 5ips (127mm/s) 6ips (152mm/s) @ 203dpi; 5ips (127mm/s) @ 300dpi
Maximum Print Width
4.25" (108mm) @ 203dpi (8 dots/mm); 4.16"(106mm) @ 300dpi (12 dots/mm)
Maximum Media Roll Diameter
5" (127mm) 7.2" (183mm)
Media Core Diameter
Min: 1" (25mm) / Max: 1.5" (38mm) Min: 1" (25mm) / Max: 3" (76mm)
64MB Flash / 32MB DRAM 64MB Flash / 32MB DRAM
Power Source Options / Accessories
Fitted Lower Enclosure for Power Converter & Battery Pack (accessory) Does not attach to cabinet
Indicators / Display
Two Light Indicators with 3 Colors Two Light Indicators with 3 Colors
Monochrome Multi-Line Graphical Display
Configuration Menu System
Audible Alert
Real Time Clock

Learn more about the DATAMAX-O'NEIL E-4304B




Print Technology
Direct Thermal/Thermal Transfer Printer
Max Resolution(B&W)
300 dpi
16 MB

Media Handling

Media Type


Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year
  • Read full details
  • Return Policies
    • Return for refund within: 30 days
    • Return for replacement within: 30 days
  • This item is covered by's Standard Return Policy.
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