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Mutoh DG-41914 Solvent Printhead Assembly for ValueJet 1618
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Genuine OEM Mutoh DG-41914 solvent printhead assembly for Mutoh ValueJet 1618 dual-head wide-format printers.
OEM Wide-Format Eco-Solvent Production Component
Original Mutoh DG-41914 Solvent Printhead Assembly (ValueJet 1618)
OEM Part Number: DG-41914 | High-Speed MicroPiezo DX5 Dual-Staggered Drop-on-Demand (DoD) Solvent Printhead Module
ValueJet 1618 Dual-Head Staggered Architecture Notice
The Mutoh DG-41914 Printhead Assembly is the authentic factory-original OEM encrypted MicroPiezo DX5 replacement component engineered specifically for Mutoh’s dual-head high-speed production printer: the ValueJet 1618 (VJ-1618 / VJ-1618W). Operating within a dual-head staggered carriage configuration, this assembly features dedicated factory firmware encryption parameters and a solvent-passivated manifold designed to sustain high firing rates with Mutoh Eco-Ultra and mild-solvent inks. Platform Notice: Although derived from the DX5 family, this assembly requires the VJ-1618 head board communication protocol and is not interchangeable with single-head DX5 ValueJet models (such as VJ-1604 / DF-49684) or uncoded generic heads (F186000).
Product Overview
The Original Mutoh DG-41914 Solvent Printhead Assembly is an industrial drop-on-demand (DoD) piezoelectric printhead designed for high-throughput commercial signage, vehicle fleet graphics, exhibition displays, banners, and soft signage. Installed as Head 1 or Head 2 in the dual-staggered carriage array of the ValueJet 1618, this module delivers double the swath coverage per scan pass, allowing the printer to reach real-world production speeds without sacrificing detail.
Engineered with 1,440 active nozzles across 8 parallel lines (180 nozzles per line), the printhead achieves native optical output resolutions up to 1440 DPI. Leveraging advanced Variable Sized Droplet Technology (VSDT), it dynamically modulates droplet volumes from an ultra-fine 3.5 picoliters up to 21 picoliters. This dynamic volume control synchronizes directly with Mutoh’s Intelligent Interweaving (i²) wave printing algorithms, eliminating banding while rendering smooth color gradients, rich solid fills, and crisp micro-text.
Part Information
| Product Name | Original Mutoh ValueJet 1618 Solvent Printhead Assembly |
| OEM Manufacturer | Mutoh Industries Ltd. / Epson MicroPiezo Core (Japan) |
| Primary OEM Part Number | DG-41914 |
| Printhead Generation | MicroPiezo DX5 (Mutoh Dual-Staggered Encrypted Architecture) |
| Component Classification | Industrial Drop-on-Demand (DoD) Piezoelectric Multi-Channel Printhead |
| Carriage Allocation Versatility | Universal Station: Mounts in Head 1 or Head 2 positions in the VJ-1618 staggered carriage |
| Channel Routing | Dual CMYK (2 × 4 channels) or 8-Channel Production Routing |
| Ink Chemistry Pairing | Mutoh Eco-Ultra Inks, Mild Solvent Inks, Aqueous Pigment, & Sublimation Inks |
| Country of Origin | Japan (100% Genuine Original, Sealed Packaging) |
Technical Specifications
| Actuation Physics | Industrial MicroPiezo Drop-on-Demand (PZT Actuator System) |
| Active Addressable Nozzles | 1,440 nozzles total (8 parallel rows × 180 nozzles per line) |
| Native Optical Resolution | 1440 DPI (180 DPI per nozzle line / 360 DPI dual-channel interleaved) |
| Firing Frequency | 8 kHz nominal continuous firing frequency |
| Droplet Size Modulation | Variable Sized Droplet Technology (VSDT): 3.5 pl (minimum) up to 21 pl (maximum) |
| Effective Print Swath Width | 25.4 mm (1.0 inch) active swathe per unit (staggered dual-head carriage coverage) |
| Fluid Interface Manifold | 8 solvent-passivated inlet nipple ports matched to ValueJet DX5 damper lines |
| Electrical Interface | Dual 31-pin flat flexible cable (FFC) socket array with integrated ground tags |
| Operating Temperature & Humidity | 18°C to 30°C (64°F to 86°F); 35% to 65% RH non-condensing |
| Dimensions & Net Weight | 106 × 49.7 × 41.7 mm; Net weight: ~98 g / Packaged gross weight: ~0.24 kg |
Key Features & Operational Advantages
- ValueJet 1618 Firmware Compatibility: Programmed with authentic Mutoh encryption parameters to sync directly with the VJ-1618 carriage board without triggering communication timeouts.
- Staggered Array Throughput: Synchronizes with the complementary head in the dual-staggered carriage, doubling swath width to achieve commercial output speeds without grain.
- Solvent-Resistant Manifold Passivation: Internal micro-cavities and manifold bonds are passivated against Eco-Ultra glycol ethers, preventing delamination and cross-channel bleed.
- Direct Drop-In OEM Fitment: Built to exact Mutoh factory dimensions, restoring original droplet trajectory and carriage height parallelization without bracket modifications.
CRITICAL TECHNICAL & SERVICE ADVISORY
1. Model Specificity (DG-41914 vs. DF-49684): The DG-41914 is designated specifically for the ValueJet 1618 dual-head platform. Single-head ValueJet printers (such as the VJ-1204, VJ-1304, VJ-1604, and VJ-1614) use part number DF-49684. Always confirm the machine model number and carriage board revision before breaking the factory packaging seal.
2. Dual-Head Slant & Registration Calibration: In the VJ-1618 dual-staggered carriage array, replacing a head requires precise physical slant mechanical adjustment followed by software calibration via the Mutoh Maintenance Engineer Software (`MSA`). Re-register the head rank ID values and run the inter-head alignment patterns across all print modes to prevent overlapping and white gaps.
3. Mandatory FFC Cable & Damper Servicing: Always install brand-new flat flexible head data cables (FFC) and new eco-solvent dampers concurrently. Bent, frayed, or ink-contaminated ribbon cable pins will short-circuit internal piezo driver transistors, instantly burning mainboard driver ICs and fuses.
4. Faceplate & Capping Maintenance: Never wipe the delicate orifice faceplate with dry shop wipes or coarse paper towels. Clean only using approved lint-free swabs moistened with genuine Mutoh Eco-Ultra cleaning solution. Inspect and replace the rubber capping station seals and wiper blades regularly to avoid dried solvent ink build-up along the nozzle row.
Compatible Models & Systems
| Series / Lineup | Compatible Printer Models | Carriage Configuration |
|---|---|---|
| Mutoh ValueJet 1618 Series | ValueJet 1618 (VJ-1618), ValueJet 1618W | Dual-Head Staggered Array (2× DX5 Heads) |
| Mutoh ValueJet 1604 / 1614 (Reference) | VJ-1204, VJ-1304, VJ-1604, VJ-1614 | Incompatible: Single-head models use DF-49684 (DG-40606) |
| Mutoh ValueJet 1624 / 1638 (Reference) | ValueJet 1624, 1638, 1638X, 2638 | Incompatible: Next-gen models use DX7 printheads (DG-43988) |
| Mutoh Falcon II / Viper (Reference) | Falcon II (RJ-8000), Viper 65/90/100 | Incompatible: Legacy models use DX4 printheads (DF-49029) |
*Model Differentiation Note: Specifically engineered for Mutoh ValueJet 1618 series printers. Confirm machine model number and carriage head position prior to unpacking.
Terms, Warranty & Customer Protection
Condition: 100% Brand New, Genuine OEM Factory-Original Mutoh 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 crashes, 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.
DG-41914
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