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Green rectangular circuit board with gold connectors and small electronic components

YINGHUA

YINGHUA Detection Board for WF-4725 4730 4740 4838

SKU CH-D9ZF-1RH2K

Detection board for compatible Epson WorkForce WF-4725, WF-4730, WF-4740 and WF-4838 printers

  • Product categoryPrinthead
  • Compatible with WF-4725, 4730, 4740, 4838 printers
  • Direct replacement restores printhead detection function
  • New condition ensures reliable electrical contact
  • Printhead-type board fits multiple WorkForce models

Compatible Printer Models

This detection board is designed for Epson WorkForce Pro WF-4725, WF-4730, WF-4740 and WF-4838 printers. It functions as a printhead component that monitors nozzle performance during operation. Offices and home users with these specific models can replace a faulty board to restore print quality.

Printhead Detection Function

The board serves as the printhead detection unit, a critical specification that determines compatibility. Buyers whose printers show printhead errors or missing nozzle detection on the listed models need this part. Printers outside the WF-4725, WF-4730, WF-4740 and WF-4838 series cannot use this board.

How it compares

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

Price $130.99
Pricier than about 62% of the 5,855 comparable items (median $91.99).

Specifications

Product
Product categoryPrinthead

Questions about this item

How does the detection board affect printhead operation once installed in a WF-4725?

The detection board monitors printhead status and communicates with the printer so the WF-4725 can regulate ink flow and maintain print quality.

What connector standard does the detection board use for the WF-4838?

The board plugs directly into the printhead carriage flex cable used across the WF-4838 series, requiring no additional adapters.

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