}Kyocera KJ4B-0300 Inkjet Printhead — Standard
Brand: Kyocera
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Availability: In stock
The Kyocera KJ4B-0300 is a genuine original dual-colour, 300 dpi aqueous inkjet printhead engineered for high-speed single-pass and scanning applications. This listing is the Standard version — suitable for MS Italy, Printerevolution, FabriVu, Hanway Highjet, and EFI Reggiani BLAZE printers. With 2,656 nozzles across a 112mm print swathe (2 channels × 1,328 nozzles), variable drop volumes from 5 to 18 pl, and a maximum drive frequency of 30 kHz enabling speeds up to 120 m/min, it delivers 30,000 drops per second. Equipped with internal filters and an integrated heater for stable production performance. Manufactured in Japan. Every KJ4B-0300 Standard we sell at Digiprint USA is 100% genuine original Kyocera.
Standard version — NOT the same as KJ4B-QA, KJ4B-YH, or DGI variants. The KJ4B-0300 Standard is a dual-colour 300 dpi head — fundamentally different from the KJ4B-QA (single-colour, 600 dpi, 108.25mm) and the KJ4B-YH (single-colour, 600 dpi, 40kHz). It is also distinct from the KJ4B-0300 MS variant (for MS Italy printers only) and the DGI variant (for DGI Spirit/Poseidon). Always confirm your printer model, manufacturer, and current installed part number before ordering — variants are not interchangeable.
Technical Specifications
| Specification | Detail |
|---|---|
| Model | Kyocera KJ4B-0300 — Standard version |
| Configuration | Dual-colour — 2 independent ink channels |
| Ink type | Water-based (aqueous) |
| Total nozzles | 2,656 (2 channels × 1,328 nozzles) |
| Standard resolution | 300 × 300 dpi (native) |
| Effective print width | 112 mm (112.35 mm nominal) |
| Max. drive frequency | 30 kHz |
| Max. print speed | Up to 120 m/min |
| Drop output | 30,000 drops/second |
| Drop volumes | 5 / 7 / 12 / 18 pl (variable) — 18pl up to 20 kHz only |
| Typical ink viscosity | 5.0 – 6.0 mPa·s |
| Temperature control | Integrated heater |
| Internal filters | Yes — eliminates foreign objects in ink supply |
| Dimensions (W × D × H) | 200 × 36 × 68.5 mm |
| Dry weight | 540 g |
| Country of origin | Japan |
| Condition | 100% genuine original Kyocera, brand new |
KJ4B Family — Which Kyocera Water Printhead Do You Need?
| Variant | Resolution / Config | Max Speed | For |
|---|---|---|---|
| KJ4B-0300 Standard (this listing) | 300 dpi / dual-colour | 120 m/min | MS Italy JP5/6/7, Printerevolution, FabriVu, EFI Reggiani BLAZE |
| KJ4B-0300 DGI variant | 300 dpi / dual-colour | 120 m/min | DGI Spirit, DGI Poseidon only |
| KJ4B-QA Standard | 600 dpi / single-colour | 75 m/min | Xerox Rialto 900, Atexco Vega series |
| KJ4B-YH | 600 dpi / single-colour | 100 m/min | High-speed 40kHz variant |
Compatible Printers (Standard Version)
The KJ4B-0300 Standard is confirmed compatible with the following printers:
Contact our team with your printer make, model, and current installed head part number to confirm KJ4B-0300 Standard compatibility before ordering.
Warranty Notice
Due to the sensitive nature of industrial printhead components, we cannot accept returns, exchanges, or refunds once the printhead has been installed. All sales are final. Contact our team to confirm the correct KJ4B variant for your printer before ordering.
Why Buy from Digiprint USA
• 100% genuine original Kyocera KJ4B-0300 Standard — manufactured in Japan, not compatible, not refurbished
• Correct specs confirmed — 300 dpi dual-colour with 112mm swathe, not to be confused with KJ4B-QA (600 dpi, 108.25mm)
• Standard vs DGI variant expertise — we confirm which KJ4B-0300 version fits your specific printer before you order
• Full spec coverage — 2×1,328 dual-colour nozzles, 5–18pl, 30kHz, 120m/min, internal filters, 540g — complete physical and performance data
• In stock in Doral, Miami FL — same day shipping before 2PM EST
• Ideal for Latin American MS Italy, Printerevolution, and EFI Reggiani shops using Miami freight forwarders
• Free technical support — we cross-reference your printer model to confirm KJ4B-0300 Standard vs DGI variant before you order
View our full range of genuine Kyocera printheads, including the KJ4B-QA Standard and the KJ4B-0300 DGI variant.
Frequently Asked Questions
What is the key difference between KJ4B-0300 and KJ4B-QA?
These are two fundamentally different heads despite sharing the KJ4B platform. The KJ4B-0300 is a dual-colour (2-channel) head at 300 dpi native resolution with a 112mm print swathe — designed for high-throughput single-pass printing where two colours per head maximise coverage. The KJ4B-QA is a single-colour head at 600 dpi native resolution with a 108.25mm swathe — designed for higher-resolution scanning applications. They are not interchangeable. Your printer's OEM design determines which is required.
What is the difference between KJ4B-0300 Standard and the MS/EFI Reggiani version?
Both are KJ4B-0300 dual-colour 300 dpi heads with the same core specs. The difference is hardware-level configuration for specific printer drive electronics. The Standard version covers a broad range of printers including MS Italy JP5 Evo/JP6 Xe, Printerevolution T1800/T2600/T3200, FabriVu 340, Hanway Highjet 2500B, and EFI Reggiani BLAZE. There is also a DGI-specific variant for DGI Spirit/Poseidon printers. Contact our team with your printer model if you are unsure which variant is correct for your system.
Why is the KJ4B-0300 faster than the KJ4B-QA at the same 30 kHz frequency?
The KJ4B-0300 reaches 120 m/min versus the KJ4B-QA's 75 m/min, both at 30 kHz. The difference is resolution: the KJ4B-0300 operates at 300 dpi native, meaning each nozzle covers a larger area per pass, allowing higher linear speed for the same frequency. The KJ4B-QA's 600 dpi native resolution requires more nozzle firings per millimetre, capping maximum print speed at 75 m/min. For single-pass, high-throughput applications, the KJ4B-0300's dual-colour, 300 dpi architecture is the preferred choice.
Do you ship the Kyocera KJ4B-0300 Standard to Latin America?
Yes — same day shipping from our Doral, Miami FL warehouse before 2PM EST. Our Miami location is ideal for Latin American MS Italy, Printerevolution, and EFI Reggiani BLAZE shops using freight forwarders in the Doral area.
