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Mimaki TS300P / Tx300P HA812 Printhead Assembly – M015885
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Factory-original Mimaki M015885 HA812 dedicated high-gap piezo printhead assembly engineered for Mimaki TS300P-1800, Tx300P-1800, and Tx300P-1800B textile printers.
OEM Industrial Textile Component
Original Mimaki TS300P / Tx300P HA812 Printhead Assembly (M015885)
OEM Part Number: M015885 / MP-M015885 (Core Code: UH-HA812 / UH-HA812MK) | High-Gap Industrial Piezoelectric Textile DoD Printhead Module
High-Gap Industrial Textile Architecture Notice
The Mimaki M015885 HA812 Head P Assy is the factory-original industrial piezoelectric drop-on-demand replacement assembly engineered specifically for Mimaki’s high-speed textile and dye-sublimation production printers (including the TS300P-1800, Tx300P-1800, and Tx300P-1800B). Developed around high-velocity Panasonic UH-HA812 piezo core actuators, this head features extended head-gap jetting stability to print cleanly over cockled transfer papers and uneven woven textiles without head strikes or satellite spray.
Product Overview
The Original Mimaki TS300P / Tx300P HA812 Printhead Assembly (M015885) is a factory-original electro-mechanical printhead unit designed for continuous industrial roll-to-roll dye sublimation and direct-to-textile manufacturing. Installed in a 4-head staggered in-line array within the TS300P and Tx300P carriage systems, this module enables single-pass and multi-pass production speeds up to 115 m²/h while maintaining precise ink droplet trajectory and dot circularity.
Constructed with high-rigidity stainless steel, nickel alloy cavity plates, and chemical-resistant bonding resins, the HA812 architecture handles aggressive textile chemistries including dye-sublimation (Sb410 / Sb411), disperse, textile pigment (TP400), reactive (Rc400), and acid dye inks. The module is specifically calibrated to project high-velocity droplets across high platen gaps (adjustable from 2.0 mm up to 7.0 mm), overcoming paper cockling on lightweight, economical transfer papers and fabric surface fibrillation while preventing platen contact and ink deflection.
Part Information
| Product Name | Original Mimaki HA812 Head P Assy (TS300P / Tx300P) |
| OEM Manufacturer | Mimaki Engineering Co., Ltd. / Panasonic Industrial Engine (Japan) |
| Primary OEM Part Numbers | M015885 / MP-M015885 |
| Core Transducer Model | UH-HA812 / UH-HA812MK |
| Component Classification | High-Gap Industrial Micro-Piezo Drop-on-Demand (PZT DoD) Printhead Module |
| Carriage Arrangement | 4 Staggered In-Line Printheads (dual-line or quad-color configurations) |
| Ink Compatibility Scope | Mimaki Sb410, Sb411, Sb420 (Sublimation), TP400 (Pigment), Rc400 (Reactive), Ac400 (Acid), Dd400 |
| Country of Origin | Japan (Genuine Factory Original Sealed Package) |
Technical Specifications
| Actuation Physics | Industrial High-Frequency Piezoelectric Drop-on-Demand (PZT Actuator System) |
| Active Addressable Nozzles | Multi-row array configured for multi-channel fluidic supply (180 nozzles per line) |
| Native Optical Resolutions | 360 dpi, 540 dpi, 720 dpi, 1,080 dpi selectable production profiles |
| Droplet Ejection Profile | Multi-drop grayscale waveform with high straight-line droplet ejection speed |
| Supported Head-Gap Distance | 2.0 mm to 7.0 mm (factory optimized for elevated gap anti-cockling operation) |
| Structural Construction | Stainless steel (SST) faceplate, nickel alloy cavity, and passivated manifold core |
| Fluid Interface Porting | Integrated top fluid ports connected to Mimaki M017216 damper units |
| Electrical Interface | High-speed multi-conductor gold flat flexible cable (FFC) interfaces with ground shielding |
| Operating Temperature Range | 20°C to 30°C (68°F to 86°F) recommended press ambient |
| Operating Humidity Range | 35% to 65% RH non-condensing |
| Dimensions & Net Weight | Approx. 89 × 25 × 69 mm (head core alone); Net: ~0.16 kg / Packaged: ~0.38 kg |
Key Features & Operational Advantages
- High-Gap Jetting Accuracy: Engineered to fire ink droplets at higher initial velocities than standard heads, preserving dot circularity and landing accuracy across elevated head-gap clearances (up to 7.0 mm).
- Cockling Tolerance on Economical Papers: Enables high-density sublimation printing on lightweight, low-cost transfer papers that swell or cockle during heavy ink loading, eliminating surface abrasions and head strikes.
- MAPS4 & NCU/NRS Integration: Operates in tandem with Mimaki Advanced Pass System 4 (MAPS4), Nozzle Check Units (NCU), and Nozzle Recovery Systems (NRS) for continuous production without banding.
- Broad Textile Chemistry Compatibility: Robust internal passivation and stainless-steel fluid paths support water-based dye sublimation, textile pigment, reactive dye, and acid dye formulations without manifold degradation.
CRITICAL TECHNICAL & SERVICE ADVISORY
1. Platform Compatibility Scope & DX-Series Non-Interchangeability: The M015885 HA812 assembly is engineered specifically for Mimaki TS300P and Tx300P series printers. It is physically, electrically, and fluidically incompatible with Epson-based DX5 (M007947 / F160010) or DX7 platforms (M015307). Never install this unit into legacy JV33, JV5, or JV300 carriages.
2. Mandatory Head ID Parameter Registration: Following mechanical mounting and ribbon cable connection, the technician MUST enter the alphanumeric Head ID value printed on the barcode label into the printer's service maintenance parameters (`#PARAMETER` > `HEAD ID`). Operating without registration will result in incorrect piezo driving waveforms, drop deflection, and premature actuator failure.
3. Damper & Sub-Tank De-aeration Protocol: Always install new dedicated ink dampers (M017216) and prime the sub-tank lines using a service syringe to draw fluid gently through the head until air bubbles are completely cleared. Trapped micro-bubbles inside the HA812 acoustic cavity will cause stubborn nozzle dropouts during high-frequency passes.
4. Faceplate Maintenance Precautions: Never wipe the nozzle plate with dry shop rags or paper towels. Use exclusively genuine lint-free foam-tipped cleaning swabs moistened with approved Mimaki washing liquid. Inspect the rubber capping station seals and wiper blades regularly to prevent dried pigment crusting around the nozzle orifices.
Compatible Models & Systems
| Printer Platform | OEM Part Number | Carriage Configuration & Ink Sets |
|---|---|---|
| Mimaki TS300P-1800 | M015885 | 4-Head Staggered Sublimation Array (Sb410 / Sb411 / Sb420 Transfer Inks) |
| Mimaki Tx300P-1800 | M015885 | Direct Textile Roll-to-Roll Press (Pigment TP400, Reactive Rc400, Acid Ac400) |
| Mimaki Tx300P-1800B | M015885 | Direct-to-Fabric Belted Conveyor System (Knitted / Stretch apparel fabrics) |
| Mimaki TS500P-3200 (Reference) | M015885 / Variant | Super-wide 3.2m textile press; confirm head sub-assembly coding via service manual |
| Mimaki DX5 Platforms (Reference) | M007947 / F160010 | Incompatible: JV33, CJV30, and JV5 series use Epson DX5 architecture |
*Model Differentiation Note: Specifically engineered for Mimaki TS300P and Tx300P industrial textile printers using Panasonic HA812 actuator architecture. Confirm the machine serial plate and head station assignment prior to unpacking.
Terms, Warranty & Customer Protection
Condition: 100% Brand New, Genuine OEM Factory-Original Mimaki Industrial Replacement Printhead in sealed factory packaging with factory 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 textile ink or flush fluid has been introduced into the micro-fluidic chambers, or if damage results from head strikes, platen rubs, ungrounded 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.
M015885
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