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Small rectangular encoder sensor printhead with exposed circuit board and metal contacts

YINGHUA

YINGHUA Encoder Sensor Printhead for EC-4030 WF-4270 WF-4720 WF-4725 WF-4730 WF-4734 WF-4740 WF-4838

SKU CH-F0EM-4994C

Encoder sensor printhead compatible with EC-4030, WF-4270, WF-4720, WF-4725, WF-4730, WF-4734, WF-4740 and WF-4838 printers

  • Product categoryPrinthead
  • Compatible with multiple Epson WorkForce models
  • Encoder sensor ensures accurate printhead positioning
  • New condition guarantees reliable performance
  • Direct replacement for worn or damaged printhead sensors

Replacement Encoder Sensor for Select Epson Printers

This encoder sensor is a new printhead component designed to fit multiple Epson WorkForce and EC-series models including the WF-4270, WF-4720, WF-4725, WF-4730, WF-4734, WF-4740, WF-4838 and EC-4030. It serves as a direct replacement part for maintaining print accuracy on compatible devices. The part is supplied new and ready for installation by technicians or experienced users.

Restores Print Positioning Without Ink Components

The sensor alone replaces the encoder strip reader that tracks printhead position, meaning it resolves alignment errors without replacing ink nozzles or cartridges. Buyers needing a full printhead assembly with ink delivery will find this part insufficient on its own. Installation requires disassembly of the printer carriage, so it is not suited for users seeking a simple drop-in consumable like an ink tank.

How it compares

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

Price $61.99
Cheaper than about 65% of the 5,855 comparable items (median $91.99).

Specifications

Product
Product categoryPrinthead

Questions about this item

How often does the encoder strip on this WF-4720 printhead need cleaning?

Wipe the clear encoder strip with a lint-free cloth whenever print alignment drifts; no scheduled replacement interval is defined for the sensor itself.

What fails first on the WF-4838 encoder sensor during continuous printing?

Dust buildup on the optical window degrades position tracking before the electronic sensor wears out.

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