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Original Mimaki 330 Series Printhead Assembly (M026939 / MP-M026939)

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100% Genuine OEM Mimaki M026939 (Maintenance Head 330 Sol/Sub Assy) high-speed industrial micro-piezo printhead assembly engineered specifically for Mimaki JV330, CJV330, and TS330 series printers.

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OEM Flagship 330 Series Component

Original Mimaki 330 Series Printhead Assembly (M026939 / MP-M026939)

OEM Part Number: M026939 / MP-M026939 (Service Title: Maintenance Head 330 Sol Assy) | High-Density Industrial Micro-Piezo Drop-on-Demand (DoD) Solvent & Sublimation Printhead

Flagship 330 Series Solvent & Sublimation Architecture Notice

The Mimaki M026939 / MP-M026939 Printhead Assembly (factory service designation: Maintenance Head 330 Sol Assy) is the authentic OEM replacement unit engineered specifically for Mimaki’s high-throughput flagship production printers: the JV330-130 / JV330-160 (eco-solvent roll-to-roll), CJV330-130 / CJV330-160 (integrated eco-solvent print & cut), and the TS330-1600 (dye-sublimation textile printer). Built on the high-density "330 Engine" platform, this assembly features solvent- and water-inert manifold adhesives, an integrated alignment chassis, and ultra-fine 3 pl drop ejection calibrated for Mimaki SS21, BS4, and Sb411 inks.

Product Overview

The Original Mimaki 330 Series Printhead Assembly (M026939 / MP-M026939) is an industrial drop-on-demand (DoD) piezoelectric printhead engineered to sustain heavy 24/7 commercial print cycles across cast vehicle wrapping vinyl, PVC banner, backlit films, canvas, fine-art photographic paper, and sublimation transfer media. Deployed in a dual-staggered carriage array across the 330 platform, this head achieves production speeds up to 100 m²/h (in draft mode) and over 45 m²/h in standard commercial sign production modes with high dot circularity and landing accuracy.

Featuring a high-density multi-row active nozzle layout across independent fluid channels, the unit delivers native optical output resolutions up to 1200 DPI across 360, 720, 900, and 1200 DPI profiles. Leveraging advanced Variable Sized Droplet Technology (VSDT), it ejects microscopic 3 picoliter (3 pl) minimum droplets for grain-free photographic vignettes and razor-sharp 2-point vector text, expanding dynamically to larger droplet volumes for dense, high-saturation solid fills. Delivered as a complete factory-calibrated assembly with a rigid mounting sub-bracket, grounding tags, and manifold interface nipples, the unit synchronizes directly with Mimaki's Dot Adjustment System (DAS) and MAPS4 pass-smoothing algorithms.

Part Information

Product Name	Original Mimaki Maintenance Head 330 Sol Assy
OEM Manufacturer	Mimaki Engineering Co., Ltd. (Nagano, Japan)
Primary OEM Part Numbers	M026939 / MP-M026939
Engineering Service Name	Maintenance Head 330 Sol Assy
Core Transducer Architecture	Mimaki 330 Platform High-Density Industrial Micro-Piezo Core
Component Classification	Industrial Micro-Piezo Drop-on-Demand (PZT DoD) Staggered Printhead Assembly
Carriage Allocation Versatility	Universal 2-Head Staggered Array: Mounts in Head 1 (Front) or Head 2 (Rear) carriage slot
Channel Versatility	4-Color (Dual CMYK) or 8-Color (CMYK + Light Cyan, Light Magenta, Light Black, Orange)
Ink Chemistry Pairing	Mimaki Genuine Eco-Solvent (SS21, BS4, CS250) & Sublimation (Sb411 Formulations)
Country of Origin	Japan (Genuine Factory Original Sealed Package)

Technical Specifications

Actuation Physics	High-Speed Industrial Micro-Piezoelectric Drop-on-Demand (PZT Actuator System)
Carriage Architecture	2 Staggered In-Line Layout (High-effective swath coverage per scan pass)
Selectable Resolutions	360 dpi, 720 dpi, 900 dpi, 1200 dpi native output profiles
Minimum Droplet Size	3 picoliters (3 pl) minimum fine drop for grain-free continuous tone highlights
Droplet Size Modulation	Variable Sized Droplet Technology (VSDT): Multi-drop waveform pulse modulation
Faceplate Surface Chemistry	Fluororesin anti-wetting coated orifice plate resisting aggressive solvent carriers
Fluid Interface Porting	Upper manifold adapter nipple ports matched to 330-Series solvent damper assemblies
Electrical Interface	High-speed multi-conductor gold flat flexible cable (FFC) socket array with ESD grounding shield
Operating Temperature & Humidity	20°C to 30°C (68°F to 86°F); 35% to 65% RH non-condensing
Dimensions & Net Weight	Approx. 95 × 45 × 40 mm; Net weight: ~0.17 kg / Packaged: ~0.40 kg

Key Features & Operational Advantages

High-Speed 330 Flagship Productivity: Powers the dual-staggered carriage array on JV330 and CJV330 models, reaching print speeds up to 100 m²/h while maintaining precise dot placement.
3-Picoliter Ultra-Fine Droplet Control: Ejects microscopic 3 pl highlight droplets to render smooth photographic skin tones and razor-sharp 2-point vector text without dot grain.
Solvent-Resistant Manifold Passivation: Internal channels and bonding resins are formulated to resist aggressive solvent carriers (SS21/BS4) and dispersed dye surfactants without delamination.
Seamless DAS & MAPS4 Integration: Works directly with Mimaki's Dot Adjustment System (DAS) for automated bidirectional calibration and MAPS4 pass-smoothing algorithms to suppress banding.

CRITICAL TECHNICAL & SERVICE ADVISORY

1. Platform & Ink Chemistry Differentiation (330 Sol vs. 330 UC): The M026939 (Maintenance Head 330 Sol Assy) is calibrated strictly for eco-solvent and sublimation models (JV330, CJV330, TS330). Do NOT confuse this with the M027817 (Print Head 330 UC Assy) used on the UV-curable UCJV330-160. While physically similar, internal manifold port passivations, chemical cavity seals, and factory drive voltage waveforms differ across solvent and UV configurations.

2. Incompatibility with Legacy JV300 / CJV300 Platforms: The M026939 assembly is engineered specifically for the 330-Series. It is physically and electrically incompatible with previous-generation DX7-based 5540 assemblies (M015372 / M015307 used in JV300/CJV300) and legacy DX5 printheads (M007947). Verify the printer generation code before opening packaging.

3. Mandatory Head ID Voltage Registration: After physical mounting and cable connection, the technician MUST enter the alphanumeric Head ID value (printed on the head body barcode label) into the printer’s Service Mode menu (`[#] PARAMETER` > `HEAD ID`). Operating the printhead with default or mismatched voltage rank settings causes drop deflection, satellite misting, and accelerated piezo channel degradation.

4. Faceplate Maintenance Precautions: Never wipe the delicate nozzle face with dry shop wipes or coarse paper towels. Clean only using approved lint-free foam-tipped swabs moistened with genuine Mimaki cleaning solution matching the installed ink line (SPB-0150 for solvent; aqueous wash for sublimation). Regularly inspect and clean the rubber capping station seals and wiper blades to avoid ink buildup around the nozzle orifices.

Compatible Models & Systems

Printer Platform	OEM Part Number	Carriage Configuration & Supported Inks
Mimaki JV330-160	M026939 / MP-M026939	64-inch Flagship Eco-Solvent Roll-to-Roll (Dual-Head Staggered; SS21 / BS4)
Mimaki JV330-130	M026939 / MP-M026939	54-inch Flagship Eco-Solvent Roll-to-Roll Production Platform
Mimaki CJV330-160	M026939 / MP-M026939	64-inch Flagship Integrated Print & Cut System (Dual-Head Staggered)
Mimaki CJV330-130	M026939 / MP-M026939	54-inch Flagship Integrated Print & Cut Production Engine
Mimaki TS330-1600	M026939 / MP-M026939	High-Speed Sublimation Textile Printer (Dual-Head Staggered; Sb411 Inks)
Mimaki UCJV330-160 (Reference)	M027817 / MP-M027817	Incompatible: UV-LED 330 model utilizes dedicated 330 UC printhead assemblies
Mimaki CJV200 Series (Reference)	MP-M029294 / M029294	Incompatible: CJV200 single-head solvent systems utilize Maintenance Head 50 Assy
Mimaki JV300 / CJV300 (Reference)	M015372 / M015307	Incompatible: Previous-gen JV300 series utilizes Epson DX7-class 5540 assemblies

*Model Differentiation Note: Specifically engineered for Mimaki 330 Series eco-solvent and sublimation platforms. Verify the printer model designation on the machine serial plate prior to unpacking.

Terms, Warranty & Customer Protection

Condition: 100% Brand New, Genuine OEM Factory-Original Mimaki Industrial Replacement Printhead Assembly in sealed factory packaging with shipping preservation fluid intact.

Manufacturer Warranty: Covered under standard OEM parts limited warranty against material and manufacturing defects out-of-box prior to ink introduction. No warranty applies once active solvent/sublimation ink or flush fluid has been introduced into the micro-fluidic chambers, or if damage results from head strikes, media jams, electrostatic discharge, or improper cable seating.

Return Policy: Precision industrial electronic component. Unopened, factory-sealed boxes with intact tamper-evident seals are eligible for standard commercial return. Once the vacuum seal is broken, protective nozzle tape removed, or the head mounted onto a carriage frame, returns cannot be accepted due to fluid priming, static risk, and electrical contamination hazards.

Reference M026939

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