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Green rectangular circuit board with electronic components and connectors

YINGHUA

YINGHUA Board Motherboard for WF-4270 WF-4730 WF-4740 WF-4838

SKU CH-6D7Z-J6W66

Replacement printhead motherboard compatible with WF-4270, WF-4730, WF-4740 and WF-4838 printers

  • Product categoryPrinthead
  • Compatible with WF-4270, WF-4730, WF-4740 and WF-4838 printers
  • Replacement printhead board restores original print quality
  • Genuine new component ensures reliable operation
  • Direct-fit design simplifies installation process

Compatible printer models

This replacement board motherboard is designed for Epson WorkForce printers including the WF-4270, WF-4730, WF-4740 and WF-4838 models. It serves as a direct spare part for technicians or owners repairing a faulty mainboard in these specific multifunction devices. Buyers needing a board for a different printer series should verify compatibility before ordering.

Thermals noise and power draw

The component operates within the printer's original thermal and electrical envelope without additional cooling requirements. Power consumption matches the factory specification for the listed models. No audible noise is produced by the board itself during normal printing or scanning operations.

How it compares

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

Price $281.99
Pricier than about 83% of the 5,855 comparable items (median $91.99).

Specifications

Product
Product categoryPrinthead

Questions about this item

How is the YINGHUA board motherboard installed in the WF-4740, and which cable routing step is often missed?

The board mounts inside the printer chassis and connects to the printhead and power supply via ribbon cables; the step most often missed is re-seating the printhead flex cable fully into its ZIF connector before closing the case.

What maintenance or replacement will the YINGHUA board motherboard for the WF-4270 need later?

The board itself has no user-serviceable parts; later maintenance involves the printhead and ink system, and the board is replaced only if a fault develops.

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