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Experimentally investigated graphic accuracy and tonal values of imprints printed on machines Duplo DP-S550 (reproduction through the interface), Riso GR-3750 (reproduction by scan), for originals of different gradation contents.By results of the study were made recommendations to the preparation of original layouts for risography. Identified technological features of the reproduction text, line and halftone images and developed practical recommendations for the operation and regulation of the printing modes for the risography., Проведено исследование воспроизведения различных по градационному содержанию изображений способом ризографии. Определены оптимальные режимы печати на ризографах для каждого вида изображения, даны рекомендации по их выбору., Здійснено дослідження відтворення різних за градаційним вмістом зображень способом ризографії. Визначено оптимальні режими друку на ризографах для кожного виду зображення, надано рекомендації щодо їх вибору.

Despite the vaunted "death of the print" with digital media, this article investigates material aspects where printing on paper, more specifically in so-called ephemeral printed matter, still has a differentiated power of significance. This investigation is based on the material analysis of commercial color printing techniques on paper that are distinguished from mass printing techniques – more specifically chromolithography in the 19th century, and risography today – occupying different territories in the universe of collectibles: the guard of historical heritage by public institutions, and the affirmation of style and identity in the self-publications of young artists and designers. The differences in the appreciation of these printed materials through digital media or direct contact with paper samples are also discussed. A pesar de la tan cacareada "muerte de la imprenta" con los medios digitales, este artículo indaga en aspectos materiales donde la impresión en papel, más concretamente en los llamados impresos efímeros, aún tiene un poder diferenciado de significación. Esta investigación se basa en el análisis material de las técnicas comerciales de impresión en color sobre papel que se distinguen de las técnicas de impresión masiva – más concretamente la cromolitografía en el siglo XIX, y la risografía actual – ocupando diferentes territorios en el universo de los coleccionables: la guardia del patrimonio histórico por parte de las instituciones públicas, y la afirmación del estilo y la identidad en las autoediciones de jóvenes artistas y diseñadores. También se discuten las diferencias en la valoración de estos materiales impresos a través de medios digitales o contacto directo con muestras de papel. Apesar da alardeada “morte do impresso” com as mídias digitais, este artigo investiga aspectos materiais em que a impressão sobre papel, mais especificamente nos chamados impressos efêmeros, ainda exerce uma potência de significação diferenciada. Esta investigação se baseia na análise material de técnicas comerciais de impressão colorida sobre papel, que se distinguem das técnicas de impressão de massa – mais especificamente a cromolitografia no século XIX e a risografia na atualidade –, ocupando territórios distintos no universo de bens colecionáveis: a guarda de patrimônio histórico por instituições públicas e a afirmação de estilo e identidade nas autopublicações de jovens artistas e designers. Discute-se ainda as diferenças na apreciação desses impressos através de mídias digitais ou do contato direto com amostras em papel.

[ES] Este proyecto consiste en la elaboración de una serie de láminas risográficas sobre las leyendas del Rey Arturo y la mesa redonda, des de las versiones más conocidas protagonizadas por el Rey o Lanzarote como a otras menos conocidas por el público general. Las ilustraciones son independientes y no han sido pensadas para ilustrar ninguna versión en concreto, más bien están ideadas como una forma de caricaturizar unas leyendas que, en desconocimiento de muchos, abundan en elementos surrealistas además de mágicos. Cada imagen se basa en un instante y en unos personajes concretos, aprovechándose al máximo la increíble diversidad de temas, entornos, y protagonistas que brindan las diferentes versiones de la obra., [EN] This Project consists in the production of a series of risographic illustrated prints about the Arthurian legends, from the more popular versions starring the King or Sir Lancelot to other, lesser known iterations. Each illustration is independent from each other and is not meant to fully illustrate any of the versions. They are conceived with the means to caricature the Arthurian legends, which are filled to the brim with surreal and magical elements. Every image is based on a concrete moment inside the legends, taking full advantage of the staggering diversity of themes, landscapes and characters that fill the different iterations of the tales.

Здійснено дослідження відтворення різних за градаційним вмістом зображень способом ризографії. Визначено оптимальні режими друку на ризографах для кожного виду зображення, надано рекомендації щодо їх вибору. Experimentally investigated graphic accuracy and tonal values of imprints printed on machines Duplo DP-S550 (reproduction through the interface), Riso GR-3750 (reproduction by scan), for originals of different gradation contents. By results of the study were made recommendations to the preparation of original layouts for risography. Identified technological features of the reproduction text, line and halftone images and developed practical recommendations for the operation and regulation of the printing modes for the risography. Проведено исследование воспроизведения различных по градационному содержанию изображений способом ризографии. Определены оптимальные режимы печати на ризографах для каждого вида изображения, даны рекомендации по их выбору.

Визначені та проаналізовані показники впливу на якість відбитків, отриманих цифровим трафаретним способом друку. As a result of the analysis of influence of technological factors risograph printing on the quality of the prints was determined that about 80 % of defective products associated with the nonobservance of technology, the use of inappropriate materials, malfunction of equipment, environment. Stable operation of the equipment and receipt prints of projected quality by digital screen printing method primarily depends on the choice of materials (ink, papers, master-film), correctness of preparation of the layout, as well as from integrated settings print modes: speed, amount of ink, modes of making the printing form, the density of the burn master tapes, etc. Definition of these parameters, their settings depending on the type of original, the characteristics of printing equipment, climate and other factors, provides a high-quality product. Определены и проанализированы показатели воздействия на качество оттисков, полученных цифровой трафаретной печатью.