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Environmentally Friendly Main Functions and Performance / Other Features

RYOBI-Matic Continuous Dampening System (Dampening Solution Cooling/Circulation System)

The RYOBI-matic continuous dampening system assures a uniform dampening supply onto the plate surface. Startup is quickly ready to enable an excellent response of dampening volume adjustment. As uniform and stable dampening water can be supplied quickly, thereby minimizing waste sheets during test printing and production printing. In addition, as this system is equipped with a dampening solution cooling/circulation system, printing can be performed without using alcohol.


Paper waste reduction by the "RYOBI-matic-D/RYOBI-matic-D Remote" Continuous Dampening System with Hickey Removing Function

This Dampening system substantially reduces hickeys on plate by adopting the new drive mechanism for the water form roller that creates a rotational speed difference between the water form roller and plate cylinder. This system virtually eliminates the need to interrupt press operation and remove hickeys from plates. So the paper wastes due to hickey problem can be greatly reduced.

Paper waste reduction by the upgraded RYOBl Program Inking

The newly upgraded version of RYOBI Program Inking automatically sets the conversion curve for each color according to the image area ratio calculated at prepress. The ink key settings, ink fountain roller speed, and number of contacts by the ink ductor roller are all controlled based on the conversion curves to assure the optimum ink volume. New printing parameters for automatically correcting ink density during job changes have been added to match the various printing conditions, which enables to reduce the press down time and number of paper wastes.



Automatic Blanket Cleaning Device

Using a cleaning cloth that is moistened with a cleaning solution of environmentally friendly, lower VOC (Volatile Organic Compound) enhances safety for both the environment and the human body. This device does not generate waste liquid.


Coating Unit and UV Curing Unit

UV printing employs ink that does not contain VOCs (Volatile Organic Compounds), so there is no emission of such VOCs into the atmosphere. By also reducing the amount of spray powder, it is further possible to improve the operator's working environment. Moreover, with printing presses that include a coating unit, glossy prints using UV varnish coating and protection of the surface of the printed sheet can be accomplished without using polyvinyl chloride. At Ryobi, we have not only offered a UV curing unit for the delivery section but also an inter-deck UV curing unit that is installed between printing units, and we are proposing a variety of high value-added printing processes that take the environment into consideration.


Coating unit
Inter-deck UV curing unit over the
convertible perfecting device
Inter-deck UV curing unit over the
impression cylinder

RYOBI Fully Automatic Plate Changer Full-RPC/RYOBI Semiautomatic Plate Changer

The newly developed RYOBI Fully Automatic Plate Changer Full-RPC has been added to RYOBI's 750 series of B2-size multi-color offset press. With the Full-RPC, plate changing is fully automated with mounting and removal of the plates handled entirely by button operation from a touch panel, so operators can prepare for the next job while plate changing is underway. Using Ryobi's automated Full-RPC or Semi-RPC units to deliver high precision to plate changing work also greatly reduces paper loss incurred by registration prior to printing.


RYOBI RP740-425AUTO (High-Precision Register Punch)

The RYOBI RP740-425AUTO uses a pair of high-precision CCD cameras to scan for registration marks that are exposed on the plate. It then automatically adjusts the lateral, vertical, and diagonal position of the plate, and punches holes in the plate to match the image position. This punch additionally enhances the plate loading accuracy of the RYOBI semiautomatic plate changer and reduces the amount of waste paper that may be required for conventional registration adjustment.


Direct Imaging System

The RYOBI 3404X-DI/3404E-DI adopt imaging method that images directly onto a plate that is loaded on the printing press. This method minimizes toxic materials, such as developer, that were required in the plate making process as well as materials required for conventional intermediate processes, such as films.