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Toshiba CA3/CA4/CA5 Printhead
Technical Features and Application Recommendations
These printheads share several key technical characteristics. Understanding them will help you make a better choice:
Piezo Technology & Grayscale Printing: They all employ Drop-on-Demand (DoD) piezoelectric technology, with the CA3 and CA4 series specifically featuring multi-level grayscale capability. This means a single dot can be formed by multiple drops of varying sizes, enabling smoother color gradients and higher image quality.
Built-in Temperature Control System: The CA3 and CA4 series printheads are designed with a housing that incorporates built-in water circulation channels. This allows for precise temperature control of the printhead, which is crucial for maintaining stable performance during long printing sessions and ensuring consistent print quality.
Application Scenario Selection:
Toshiba CA3 Series: Models like the CA3W are commonly found in industrial printing applications requiring high image quality, such as in certain industrial printer models from Mimaki, Océ, and Fujifilm.
Toshiba CA4 Series: With a higher number of grayscale levels, this series is suitable for applications demanding superior image quality.
Toshiba CA5 Series: It offers a smaller minimum droplet size (3pL) and a higher firing frequency. This translates to higher printing precision and speed, making it suitable for scenarios with stringent requirements for detail and efficiency
Core Specifications Summary
The table below summarizes the key parameters for Toshiba's CA3, CA4, and CA5 series printheads for a quick comparison:
Parameter / Model | CA3 Series | CA4 Series | CA5 Series |
Core Technology | Drop-on-Demand (Piezo) | Drop-on-Demand (Piezo) | Drop-on-Demand (Piezo) |
Number of Nozzles | 318 | 318 | 318 |
Droplet Volume | 6-42 pL | 6-90 pL | 3PL / 12PL / 42PL, etc. |
Native Resolution | 150 DPI | Data Missing | 300 DPI / 600 DPI (configuration dependent) |
Print Width | 53.6 mm | 53.6 mm | 53.6 mm |
Firing Frequency | 4.8KHz (7-drop) | Data Missing | 17.9 KHZ |
Grayscale Levels | 8 levels | 16 levels | Data Missing |
Compatible Inks | UV, Oil-based Pigment | UV, Oil-based Pigment | Data Missing |
Core Advantages: Why Choose the Toshiba CA Series?
Precision Piezoelectric for Consistent Stability: Utilizing advanced piezoelectric-on-demand (DoD) technology, the ejection of each drop of ink is precisely controlled. Its rugged construction, designed for 24/7 continuous, high-load industrial environments, provides unparalleled reliability and an exceptionally long service life.
Grayscale Jetting for Exceptional Quality: Multi-level variable droplet technology (CA3: 8 levels, CA4: 16 levels) blends droplets of varying sizes within a single jet, achieving a wide range from 3pL to 90pL. This effectively eliminates graininess, resulting in smooth gradients and sharp text, while achieving higher image quality with fewer passes.
High Efficiency and Speed, Doubled Productivity: A firing frequency of up to 17.9kHz (CA5 Series), combined with a wide format of 318 nozzles, ensures the highest image quality while achieving impressive print speeds, significantly improving your production efficiency and market responsiveness.
Intelligent Temperature Control for Constant Stability: The innovative built-in water circulation cooling system (CA3/CA4) ensures the print head operates at an optimal temperature. This effectively prevents heat buildup caused by prolonged operation, ensuring consistent droplet trajectory and flawless print results from start to finish.
Wide Compatibility for Flexible Applications: Optimized for a wide range of industrial-grade inks, it's perfectly compatible with demanding inks, including UV-curable and oil-based pigments, easily handling the challenges of a wide range of materials and applications.
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