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Green rectangular printer SUB board with electronic components

YINGHUA

YINGHUA Printer SUB Board Fits Forepson-PX720 EP-904A

SKU CH-A9HD-FJJRS

Replacement SUB board for Forepson PX720 and EP-904A printers

  • Product categoryPrinthead
  • Compatible with PX720 and EP-904A printers
  • Genuine SUB board restores printhead control
  • New condition ensures reliable operation
  • Direct replacement for faulty printer electronics

Compatible Printer SUB Board

This replacement SUB board is designed for the Forepson PX720 and EP-904A printers. It serves as a direct swap for a faulty printhead control board in those models. Installers should verify the exact model number before ordering.

Thermals Noise and Power Draw

The component operates within the printer's original thermal and electrical envelope. No additional cooling or power modifications are required during normal use. Acoustic output remains unchanged from the factory specification.

How it compares

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

Price $34.99
Cheaper than about 84% of the 5,855 comparable items (median $91.99).

Specifications

Product
Product categoryPrinthead

Questions about this item

How is the SUB board installed in the PX720, and which step do people often get wrong?

The board fits into the printer's internal carriage slot; the step often missed is fully seating the flexible ribbon cable into its connector before locking the latch.

What maintenance or replacement will the EP-904A SUB board need later?

The board itself has no serviceable parts; replacement is only required if the printhead fails or the printer reports a permanent board error.

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