The new printhead is the first Ricoh printhead that uses a thin film piezo actuator (PZT). It is one of the new products in the RICOH TH industrial inkjet printhead series and joins the already successful lineup of RICOH MH/RICOH GH series printheads.
The PZT is a kind of piezoelectric transducer that creates mechanical deformation by the application of a voltage, used for jetting drops of ink. By using MEMS technology (Micro-Electro-Mechanical-Systems: a general term for miniatured electro-mechanical devices or technology), Ricoh’s unique design means the RICOH TH5241 is a compact printhead with 320 × 4 rows of 1280 nozzles. There are two sets of 600npi with a staggered arrangement of 300npi nozzles per row.
In addition, high-definition printing of up to 1200 dpi can be achieved by jetting fine droplets. Also, ink paths for each nozzle row are isolated, enabling a single printhead to jet up to four ink colours. The printhead has compatibility with all ink types including UV, solvent and aqueous and can be used for various industrial applications such as sign graphics, textiles and labels.
In addition, as the printhead is compact yet combines durability with stable jetting, it can easily be used in different kinds of printing systems and will help customers easily develop their own printing systems.
In the industrial printing market, there is an increasing demand to meet a variety of customer needs for sign graphics and textiles such as smaller run sizes and shorter delivery times. This has resulted in the rapid digitalisation of industrial printing, which can deliver greater flexibility and productivity. It has also seen increasing demand for inkjet printheads that enable high-resolution printing and even higher productivity.
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