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Green rectangular printer power board with silver connectors

YINGHUA

YINGHUA Printer Power Board 800 for PX720 EP-904A

SKU CH-DAKR-91R9T

Replacement power board 800 for PX720 and EP-904A printers

  • Product categoryPrinthead
  • Replaces faulty power supply for PX720 and EP-904A printers
  • Restores print function with 800 series board
  • New condition ensures reliable installation
  • Compatible with Forepson models 720 and 904

Compatible Replacement Board

The YINGHUA Printer Power Board 800 serves as a direct replacement component for specific Epson inkjet models. It restores power delivery to the printhead assembly in the PX720 and EP-904A printers. This new part addresses failure symptoms such as startup errors or a complete loss of printing function. Installation requires access to the printer's internal electronics bay.

Voltage Regulation Limits

The board manages the high-voltage signals required by the printhead but cannot compensate for a damaged printhead or logic board faults. It operates strictly within the original manufacturer's electrical specifications for the 800 series interface. Users must verify the exact model number before purchase because the connector pinout differs across similar Epson series. No firmware update or calibration utility is included with this hardware.

How it compares

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

Price $65.99
Cheaper than about 63% of the 5,855 comparable items (median $91.99).

Specifications

Product
Product categoryPrinthead

Questions about this item

Is the Power Board 800 the correct version for my PX720 or EP-904A printer?

Yes, the Power Board 800 is listed as a direct fit for both the PX720 and EP-904A models, so this single version covers either printer.

What does the 800 rating on the power board mean once it is installed in the printer?

The 800 designation identifies this specific board revision for the PX720 and EP-904A; it supplies the voltages those printers expect without modification.

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