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Brother 300dpi thermal printhead kit for TD4520DN and TD4550DNWB printers

Brother

Brother PA-HU3-001 300dpi Printhead for TD4520DN TD4550DNWB

SKU CH-18NY-TZRA8 MPN PA-HU3-001

A 300 dpi thermal-transfer printhead that restores output on TD4520DN and TD4550DNWB desktop printers

  • 300 dpi resolution produces sharp, detailed labels
  • Thermal transfer printing creates durable, smudge-resistant output
  • Designed for Brother TD4520DN and TD4550DNWB desktop printers
  • Genuine Brother PA-HU3-001 part ensures reliable compatibility
  • Printhead kit restores consistent print quality for high-volume use

Direct replacement printhead

The Brother PA-HU3-001 is a 300dpi thermal transfer printhead designed for the TD4520DN and TD4550DNWB desktop printers. It restores original print quality when the existing head reaches end of life. Installation follows the printer's standard service procedure without special tools. This part suits operations that need consistent barcode and label output.

Thermal transfer operation

The printhead uses thermal transfer technology which applies heat to a ribbon rather than direct thermal media. This method reduces mechanical stress on the head surface during normal label runs. Power draw matches the printer's original specification so no electrical changes are required. The design maintains the same thermal profile as the factory fitted unit.

Kit contents and fit

The package contains the printhead unit ready for the TD4520DN and TD4550DNWB models. No additional cables, ribbons or cleaning supplies are included in this kit. Users must reuse existing mounting hardware and follow the printer manual for alignment. Firmware updates are not required for the replacement to function correctly.

Highlights

  • 300 dpi resolution produces sharp, detailed labels
  • Thermal transfer printing creates durable, smudge-resistant output
  • Designed for Brother TD4520DN and TD4550DNWB desktop printers
  • Genuine Brother PA-HU3-001 part ensures reliable compatibility
  • Printhead kit restores consistent print quality for high-volume use

Specifications

BrandBrother
Part NumberPA-HU3-001
Shipping weight0.45 kg
Package size25 × 25 × 25 mm

Questions about this item

How do I install the PA-HU3-001 printhead in my TD4520DN, and which step is often missed?

Power off the printer, open the top cover, release the printhead latch, remove the old unit, insert the new printhead until it clicks, close the latch, close the cover, then power on and run a calibration from the control panel.

What maintenance will the PA-HU3-001 printhead need during its life?

Clean the thermal line with a lint-free swab and isopropyl alcohol whenever you change the ribbon or see streaks; replace the printhead when print quality no longer improves after cleaning.

What limit appears first on the PA-HU3-001 during long print runs?

The 300 dpi thermal line heats continuously; sustained high-density printing causes thermal throttling that reduces throughput until the printhead cools.

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