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ColorJet Neptune Plus Solvent Printer (KM512, 4/8 Heads) – Overview
The ColorJet Neptune Plus is the Indian signage industry’s flagship workhorse: a 3.2-metre roll-to-roll solvent printer pairs a famously robust body with improvised advanced features – inbuilt LED monitor, extended bed with conductive heating and a precision media-pulling feed system. Made in India by the country’s largest wide-format manufacturer, it delivers outstanding performance at entry-level cost and is engineered to be the most stable, reliable machine in its segment.
The CJ-NEPTUNEPLUS runs daily production on flex banners, vinyl hoardings, backlit film & displays, one-way vision film, window film, SAV/PVC banner, wall & building wraps, fabric (solvent base), vehicle wraps and outdoor advertising cloth. Solvent prints are waterproof and UV-stable for long outdoor life, and the machine’s service ecosystem is supported across India.
Key Features
- 4 or 8 Konica Minolta KM512 42PL industrial heads (models I4442 / I8442)
- Up to 753 sqft/hr (70 m²/h) on 8-head – 452 sqft/hr (42 m²/h) on 4-head
- 3300mm media width, 3200mm print width, rolls to 90kg
- AIVC technology – consistent jetting in varying environments
- Inbuilt LED monitor & fresh aesthetic body design
- Extended bed with conductive heater – better outdoor print life
- Pneumatically controlled automatic take-up & feed + vacuum bed
- Pre/post heaters + fan evaporative dryer; PhotoPrint RIP, USB
Print Speed (KM512 42PL · official ColorJet data (4H / 8H))
| Print Mode | Output Speed |
|---|---|
| 2 pass, 180×720 dpi | 42 m²/h (452 sqft/hr) / 70 m²/h (753 sqft/hr) |
| 3 pass, 240×720 dpi | 28 m²/h (300 sqft/hr) / 55 m²/h (592 sqft/hr) |
| 4 pass, 360×720 dpi | 24 m²/h (259 sqft/hr) / 40 m²/h (430 sqft/hr) |
Speeds are manufacturer test-condition figures; real output varies with media, RIP settings and pass count. Rows marked (class) are platform-class figures confirmed at order time.
Technical Specifications
| Model | ColorJet Neptune Plus – I4442 (4 heads) / I8442 (8 heads) |
| Printing Technology | Drop-on-demand, piezo electric inkjet |
| Print Heads | Industrial grade KM512 42PL jetting assemblies |
| Media Width | 3300 mm (129 in) |
| Print Width | 3200 mm (126 in) max |
| Media | SAV, PAV Banner, Backlit Film, Window Film, Fabric (solvent base) |
| Ink | Solvent / mild-solvent, 4 colours CMYK |
| Max Resolution | 1440 dpi |
| Distance Accuracy | ±0.3% of travel or ±0.3 mm |
| Heating | Pre-heater + post-heater 30–60 °C, dryer 30–60 °C |
| Connectivity | High-speed USB |
| Power | AC 220V ±10%, 20A, 50/60Hz |
| Dimensions / Weight | 4510 × 1022 × 1355 mm / ~470 kg |
| Operating Environment | 18–28 °C, 35–80% RH (non-condensing) |
Applications
Typical work: flex banners, vinyl hoardings, backlit film & displays, one-way vision film, window film, SAV/PVC banner, wall & building wraps, fabric (solvent base), vehicle wraps and outdoor advertising cloth. The machine is at home in flex printing units, signage fabricators, advertising agencies, event & exhibition graphics workshops and outdoor media houses.
Why Buy from Unified Engineering Dynamics?
- Genuine ColorJet machines – official configuration from India’s largest wide-format printer manufacturer, with full warranty support.
- Complete installation & training – on-site setup, RIP software installation, media profiling and operator training included.
- After-sales support – trained service engineers, genuine Konica print heads and spare parts in stock, remote diagnostics.
- Consumables supply – matched flex solvent inks, cleaning solution and spares available from our Printing Inks and Printer Spare Parts range.
Need the latest price, a demo print or an EMI quotation? Contact our team today – we reply within one working day with a detailed offer including installation and ink start-up kit options.
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