YINGHUA Main PCA Board for HP T790 Printhead
Main PCA board for the HP T790 printhead, supplied new as a printer and scanner supply part
- Product categoryPrinthead
- Main PCA board designed for HP T790 printhead
- New condition ensures reliable printhead operation
- Printhead component replaces damaged main board
- Fits HP T790 printer models directly
- First listed by manufacturer in April 2026
Printhead Board for T790
This YINGHUA main PCA board is a printhead assembly built for the HP T790 printer. It is intended for technicians and operators who need to replace a failed printhead controller in that specific model. The part is supplied new and matches the form factor required by the T790 service procedure.
Drop-in printhead replacement
The board installs directly into the T790 printhead carriage without adapter cables or firmware changes. It restores the electrical interface between the carriage and the nozzles, freeing the printer from communication errors caused by a damaged PCA. No additional calibration hardware is required beyond the standard printer service routine.
Service part for single-model repair
This PCA comfortably handles the electrical drive signals for the T790 printhead during normal production printing. It does not add extra nozzles, increase resolution or support other printer models; the board is limited to the T790 platform and cannot be used to upgrade or convert different hardware.
How it compares
Measured against everything we stock in Print & Scan Accessories, at today’s prices. Recalculated every night.
- Price $377.99
- Pricier than about 88% of the 5,855 comparable items (median $91.99).
Specifications
| Product | |
|---|---|
| Product category | Printhead |
Questions about this item
What is the expected printhead lifespan for the HP T790 under continuous printing?
The Main PCA Board is a new replacement printhead designed for the HP T790; its operational limit depends on ink volume and maintenance cycles rather than a fixed page count.
Does the printhead run hot or draw extra power during all-day production runs?
As a direct-fit printhead, it operates within the HP T790's normal thermal and electrical envelope; no additional cooling or power supply changes are required.
Must the HP T790 printer already be installed and calibrated before fitting this board?
Yes, the board is a component for the existing HP T790 plotter; the printer must be present and functional so the new printhead can be recognised and aligned.
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