Seiko SPT-510 / 35pl Printhead

Seiko SPT-510 / 35pl is a solvent piezo drop-on-demand printhead with 510 nozzles, 35 picoliter drop size, up to 720 dpi resolution, and is widely used in large-format solvent printers.

Key Features

•     Original Seiko SPT-510 / 35pl printhead for solvent and large-format printers.
•     Drop-on-demand piezo electric technology for precise, stable inkjet printing.
•     510 active nozzles for high-speed, high-resolution output up to 720 dpi.
•     Medium drop size of 35 picoliters for good balance of coverage and detail (some listings may show 34–35pl nominal).
•     Designed for solvent ink; many units are also compatible with water-based inks depending on printer and configuration.
•     Long life printhead construction with metal protection plate for increased durability compared to older 128‑nozzle heads.

Technical Specifications

•     Model: Seiko SPT-510 / 35pl
•     Technology: Drop-on-demand piezo electric inkjet
•     Number of nozzles: 510 active nozzles
•     Native resolution: 180 dpi physical nozzle density
•     Maximum printing resolution: up to 720 dpi, depending on printer configuration and pass mode.
•     Drop size: 35 pl nominal (often spec’d as 34–35pl or “35PL” for this head).
•     Firing frequency: approximately 6.46–8.29 kHz (typical operating range 6–8 kHz).
•     Linear print speed: about 0.49 m/s at 360 dpi in supported printers.
•     Printhead width: about 71.8–72 mm.
•     Ink type: Solvent ink (commonly used in solvent and eco‑solvent large‑format printers; some listings note solvent/water‑based compatibility).
•     Interface: Proprietary parallel interface, 30-pin connector.
•     Place of origin: Japan.

Compatibility

•     Commonly used in large-format solvent printers such as Infiniti, Phaeton, Gongzheng, Icontek, Zhongye and similar models that specify SPT‑510 / 35pl heads.
•     Compatible with selected EFI VUTek QS series and Infiniti FY-32 series printers (depending on printer configuration and firmware).
•     Suitable as a replacement printhead only for machines originally designed for Seiko SPT‑510 / 35pl; check your printer’s service manual or existing head model before purchase.

Typical Applications

•     Large-format outdoor and indoor signage printing with solvent inks (banners, billboards, vehicle graphics, flags).
•     High‑coverage printing where medium drop size and solvent durability are required.

Condition / Warranty

•     Condition: Original, brand-new Seiko SPT-510 / 35pl printhead, never used, factory sealed.

  This is a precision electronic component; installation must be performed by qualified technicians and is usually non‑returnable once installed or inked – please verify compatibility before ordering