Datamax O’Neil I-4212e Mark II Printhead – 203 dpi – OEM Part PHD20-2278-01 – Thermal Transfer/Direct Thermal

Replace worn or damaged print heads on your Datamax O’Neil I-4212e Mark II industrial barcode printer with this 203 dpi printhead, designed for crisp, reliable label and tag printing in demanding environments.  This printhead is the correct replacement for the Datamax I-Class Mark II I-4212e model and matches OEM part number PHD20-2278-01

Technical Specifications

•     Printer Model: Datamax-O’Neil I-Class Mark II I-4212e
•     Printhead Part Number: PHD20-2278-01
•     Resolution: 203 dpi (8 dots/mm)
•     Max Print Width: 4.10″ (104.1 mm)
•     Print Speed (printer dependent): Up to 12 IPS (304 mm/s)
•     Print Method: Direct thermal and thermal transfer
•     Media Types Supported (via printer):
  •         Roll-fed labels (up to 8.0″ OD)
  •         Fan-fold stock
  •         Die-cut or continuous labels
  •         Perforated or continuous tag/ticket stock
•     Media Width Range (printer): 1.0″ – 4.65″ (25.4 – 118.1 mm)
•     Media Thickness Range (printer): 0.0025″ – 0.01″ (0.0635 – 0.254 mm)
•     Ribbon Width Range (printer, for TT): 1.0″ – 4.5″ (25.4 – 114.3 mm)
•     Ribbon Length (printer): Up to 1,968′ (600 m)

(Overall printer dimensions and power specs are for reference only; this listing is for the printhead module, not the complete printer.)

What’s Included

•     1 × Datamax-O’Neil I-4212e Mark II Printhead (203 dpi, PHD20-2278-01)
•     Does not include printer, ribbon, or media unless explicitly stated.

Compatibility

This printhead is intended for use with:

•     Datamax-O’Neil I-Class Mark II I-4212e industrial barcode printers
•     Systems specifying OEM part PHD20-2278-01 (or compatible equivalent)

Always verify your printer model and existing part number before ordering.

Installation Notes (high level)

•     Power off and unplug the printer before replacing the printhead.
•     Follow the printer’s service manual for printhead removal/installation and cleaning procedures.
•     After installation, run a printhead alignment / calibration and print test labels to confirm quality.

(For detailed steps, refer to the Honeywell/Datamax I-Class Mark II service documentation.)

Shipping notes

•  Item will ship securely packed to protect the sealed factory packaging.
•  Ships quickly after payment is received.
•  Tracking will be provided when available.
•  Please confirm compatibility before purchase, as printheads are model-specific.

Warranty and returns

• 1-year limited warranty from the seller
• Returns: 30–90 days, buyer pays return shipping unless defective on arrival

Testing and installation tips

• Handle printhead with care; avoid touching the gold contacts
• Store in original packaging until installation
• If printer is not printing correctly after replacement, verify ribbon/drive alignment and firmware compatibility
• After installation, perform a test print to confirm 203 dpi quality and alignment

Notes

Please verify compatibility with your exact printer model and DPI before purchase.