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New printhead unit for Zebra GK420D GX420D printers

Universal

Universal Printhead 105934-037 for Zebra GK420D GX420D

SKU CH-EY65-6CY96

Compatible printhead for Zebra GK420D and GX420D thermal label printers, part 105934-037

  • Compatible with Zebra GK420D and GX420D printers
  • 100% brand new printhead ensures reliable thermal printing
  • Direct replacement for Zebra part 105934-037
  • Universal compatible brand offers quality alternative
  • Ready to install for immediate printer maintenance

Compatible Zebra Printers

This printhead fits Zebra GK420D and GX420D thermal label printers. It is a direct replacement for part number 105934-037. The unit is new and unused, intended for operators who need to restore print quality on these specific models.

Thermal Operation

Thermal printheads generate heat to create images on label media. This component is designed to match the original thermal specifications for the supported printers. Normal use follows the printer's built-in temperature management without additional cooling requirements.

Installation Fit

The printhead installs inside the printer's existing carriage assembly using the original mounting points. No extra cables, adapters or firmware updates are required beyond the standard printer maintenance routine. It frees the printer from faded or missing output caused by a worn head.

How it compares

Measured against everything we stock in Print & Scan Accessories, at today’s prices. Recalculated every night.

Price $120.99
Pricier than about 59% of the 5,855 comparable items (median $91.99).

Specifications

No published specifications for this item yet.

Questions about this item

How do I install the 105934-037 printhead in my GK420D and what step is often missed?

Power off the printer, open the media cover, release the printhead latch, swap the old head for the new 105934-037, close the latch firmly until it clicks, then run a calibration so the 420 dpi sensor aligns correctly.

What maintenance or replacement will the 105934-037 printhead need later?

Clean the printhead with isopropyl alcohol after every roll of labels to prevent residue build-up; replace the head when print quality fades or missing dots appear on the test pattern.

What limit shows up first during sustained printing with the 105934-037?

The thermal protection circuit pauses printing when the head reaches its temperature ceiling, so long runs of dense barcodes on the GX420D will cycle between printing and cool-down periods.

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