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Seiko 1024HG-L 28 pL Printhead | IEB1024N0L-2F01

Seiko 1024HG-L 28 pL Industrial Printhead

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$1,250.00

$650.00 Save 48%

Heavy-laydown 1024-nozzle industrial piezoelectric printhead calibrated for a 28 pL base drop size for corrugated board, single-pass carton coding, and opaque whites.

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OEM Replacement Component

Seiko Instruments 1024HG-L Industrial Inkjet Printhead (28 pL)

OEM Part Number: Seiko 1024HG-L (28 pL) / IRH2533W Series | High-Coverage Multi-Drop Greyscale Piezoelectric Drop-on-Demand (DoD) Jetting Assembly

Product Overview

The Seiko Instruments 1024HG-L (28 pL) is an authentic original equipment manufacturer (OEM) piezoelectric drop-on-demand (DoD) industrial inkjet printhead engineered specifically for high-throughput grand-format graphics, corrugated packaging, ceramic tile decoration, textile printing, and heavy-laydown UV-curable industrial coating. Featuring a continuous 1,024-nozzle configuration arranged in a high-density interleaved array, the 1024HG-L is optimized for multi-drop greyscale operation, starting from a base native droplet volume of 28 picoliters (pL) and scaling up to 140 pL composite drop sizes.

Built on Seiko's isolated shear-mode PZT piezoelectric ceramic technology and fitted with a high-durability stainless steel nozzle guard, the 1024HG-L provides robust chemical resistance against aggressive solvent carriers, high-viscosity oil inks, and reactive UV-curable formulations. Its high native 28 pL volume provides rapid area fill, dense color saturation, and opaque white or varnish laying at firing frequencies up to 24 kHz in multi-drop modes, supported by an internal heating element and precision thermistor for closed-loop fluid viscosity control.

Part Information

Product Name	Seiko Instruments 1024HG-L Industrial Printhead
OEM Manufacturer	Seiko Instruments Inc. (SII Printek)
OEM Part Number / Series	Seiko 1024HG-L (28 pL) / IRH2533W Series
Component Classification	Industrial High-Coverage Drop-on-Demand (DoD) Piezoelectric Inkjet Head
Actuation Architecture	High-Density PZT Piezo Shear-Mode with Reinforced Stainless Steel Nozzle Guard
Manufacturing Standard	Seiko Instruments Factory Certified (Japan)

Technical Specifications

Printhead Technology	Piezoelectric Drop-on-Demand (DoD) Multi-Drop Greyscale
Number of Active Nozzles	1,024 addressable nozzles (interleaved multi-row array)
Native Resolution / Pitch	360 DPI (approx. 70.5 micron nozzle pitch across combined rows)
Active Print Swath Width	72.2 mm (2.84 inches)
Native Base Drop Volume	28 picoliters (pL) native calibrated drop
Greyscale Drop Range	28 to 140 pL (up to 8 greyscale levels via multi-pulse sub-drop merging)
Maximum Operating Frequency	Up to 35 kHz binary; approx. 18–24 kHz greyscale (waveform & ink dependent)
Operating Viscosity Range	9 to 16 mPa·s (milliPascal-seconds / cP) at operating jetting temperature
Temperature Regulation	Up to 50°C (122°F) via integrated internal heater and high-precision thermistor
Fluid Compatibility	UV-curable inks, oil-based inks, solvent and eco-solvent inks, ceramic glazes, primers
Fluid & Electrical Interfaces	Luer-lock / barbed fluid fittings; dual high-density Flexible Flat Cables (FFC)

Key Features & Operational Advantages

High-Laydown 28–140 pL Multi-Drop Capability: High baseline droplet mass provides rapid color saturation and solid area fill, making it the premier choice for billboard signage, corrugated substrates, and opaque white underbase layers.
1,024 High-Density Channel Array: Provides an active 72.2 mm print swath width, facilitating fast single-pass line speeds and wide carriage scanning configurations.
Reinforced Stainless Steel Nozzle Face: Metallic orifice faceplate protects against mechanical head strikes, abrasive cleaning wipers, and aggressive chemical flush solutions.
Active Viscosity Management: Internal heating block coupled with an onboard thermistor ensures strict temperature stability, preventing drop-velocity decay during continuous industrial production.

CRITICAL TECHNICAL & OPERATIONAL ADVISORY

1. Mandatory ESD Grounding: PZT shear-mode piezoelectric crystals and onboard CMOS shift registers are Class 1 ESD-sensitive components. Technicians must wear a grounded ESD wrist strap and work on a static-dissipative work mat. Never connect or disconnect FFC data cables while the carriage board or main power supply is energized.

2. Degassing & Meniscus Vacuum Control: Operating high-volume drops (28–140 pL) at frequency requires properly degassed ink and precise negative pressure regulation (typically -2.0 to -4.0 mbar, system specific). Unstable meniscus vacuum will result in nozzle weeping, ink starvation, or severe air ingestion during high-frequency firing bursts.

3. Storage Fluid Purge Protocol: Factory-shipped printheads contain a protective storage fluid. Flush the printhead thoroughly using filtered, compatible flush fluid (filtered to 0.2 microns) before charging with production UV or solvent inks to prevent cross-contamination and nozzle dropouts.

4. Orifice Plate Maintenance: Never wipe the nozzle face with dry cloths or abrasive materials. Use only dedicated lint-free cleanroom polyurethane swabs soaked in approved flush solvent, or utilize the automated capping and wiping station with silicone wiper blades.

Compatible Models & Systems

Printer Manufacturer	Ink Chemistry	Supported Platforms
CrystalJet / Infiniti	Solvent / Mild Solvent	CrystalJet CJ 6000 Series, Challenger FY-3208HG
Docan Digital	UV-Curable	Docan M8, M10, UV Flatbed & Hybrid Printers
Dilli	UV-Curable	Neo Titan Series, Neo Sun UV Hybrid (High-Laydown Models)
Gongzheng (GZ) / Nuocai	Solvent / UV-Curable	GZ GZT3208HG, Industrial Single-Pass & Flatbed Systems

*Model Differentiation Note: This printhead is dedicated strictly to the Seiko 1024HG-L (28 pL) model. It is NOT interchangeable with the small-drop Seiko 1024GS (7 pL) model or medium-drop variants without corresponding firmware, drive waveform, and driver board configuration changes. Check the part code and voltage rank on the printhead casing prior to unsealing.

Terms, Warranty & Customer Protection

Condition: 100% Brand New, Unopened Factory Original Genuine OEM Component in Factory-Sealed Anti-Static Packaging with Factory Storage Fluid Intact.

Warranty Scope: Covered by standard manufacturer DOA replacement protection against electrical continuity failures and physical manufacturing defects upon initial arrival. Operating lifespan and nozzle stability are governed by ink filtration, degassing quality, correct waveform tuning, and routine maintenance compliance.

Return Policy: Precision industrial electronic consumable. Due to sensitivity to electrostatic discharge, internal fluid priming requirements, and contamination risks once unsealed, components that have been removed from their static-shielding bag, filled with ink, flushed with solvents, or energized cannot be returned or restocked under standard commercial terms. Please confirm your printer model and drop-volume specification with technical support prior to unsealing.

Reference IEB1024N0L-2F01

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