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Rectangular thermal printhead with metal housing and ceramic element, 203 dpi resolution

Alphacool

Alphacool 203dpi Thermal Printhead for Zebra GK420d GX420d ZP450 ZP500 ZP505 ZP550

SKU CH-GD24-9BZNF

203 dpi thermal printhead replaces worn heads on Zebra GK420d, GX420d, ZP450, ZP500, ZP505 and ZP550 printers

  • Precise fit restores sharp output without buying a new printer
  • 203 dpi resolution matches original print quality for clear labels
  • Compatible with Zebra GK420d, GX420d, ZP450, ZP500, ZP505, ZP550 models
  • Supports extensive GK420d part numbers including 202510, 202210, 202520 variants
  • Supports extensive GX420d part numbers including 202410, 202512, 202810 variants

What this printhead replaces

This 203dpi thermal printhead fits Zebra GK420d, GX420d, ZP450, ZP500, ZP505 and ZP550 desktop label printers. It is a new replacement part that restores clear printing when the original head wears out or fails.

Who should buy it and who should not

It suits owners of the listed Zebra models who need a direct swap to fix faded or missing print. It does not suit users with other Zebra printers or with models that require a different print resolution.

The specification that decides fit

The head operates at 203dpi and matches the extensive GK42 and GX42 part-number series shown in the compatibility list. Verify your printer model and part number before ordering.

Highlights

  • Precise fit restores sharp output without buying a new printer
  • 203 dpi resolution matches original print quality for clear labels
  • Compatible with Zebra GK420d, GX420d, ZP450, ZP500, ZP505, ZP550 models
  • Supports extensive GK420d part numbers including 202510, 202210, 202520 variants
  • Supports extensive GX420d part numbers including 202410, 202512, 202810 variants

Specifications

No published specifications for this item yet.

Questions about this item

Which specific Zebra printer model numbers does this 203dpi printhead fit?

This printhead fits Zebra GK420d, GX420d, ZP450, ZP500, ZP505 and ZP550 printers. It covers numerous sub-model codes including GK42-202510-000, GX42-202410-000 and many other 2022, 2024, 2025 and 2028 series part numbers listed for those families.

What does the 203dpi resolution mean for my printed labels?

The 203 dots per inch resolution determines the sharpness of text, barcodes and graphics on each label. At this density the head produces standard clarity suitable for shipping labels, product tags and receipt printing on the compatible Zebra desktop models.

How does the thermal printhead interface with the Zebra printer?

The printhead mounts directly into the print mechanism of the listed Zebra GK and GX series printers. It connects via the printer's native flexible flat cable and locking latch, requiring no additional interface board or adapter for installation.

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