Sánchez first comic work was as an assistant for the artist Gigarpe (Ginés García Pérez), aged 14. During the 1960s he assisted his cousins José Ortiz and Leopold Ortiz, before working on romance, war and horror comics for Britain and France through Bardon Art and Aredit. For Trinca he created an adaptation of Don Quixote. 

Sánchez was part of the Valencia Studio with José Ortiz and Luis Bermejo. They joined Selecciones Ilustradas in 1974 and worked for Warren. Sanchez drew 50 stories for the company, including three Vampirella stories and the series 'The Spook'. For SI, he also worked on 'Jeff Blake' for the German magazine Kung-Fu (Bastei-Verlag).

In 1981, Sánchez and Antonio Segura created Bogey, which was syndicated internationally. In 1982 he established the commercially unsuccessful Metropol Editorial (Metropol, Mocambo and KO Comics) with Manfred Sommer, José Ortiz and others. He also worked on El Justiciero Enmascarado (1983). His last comic works were for Cimoc (Norma Editorial) including 'Diario de Arena', which was continued by Luis Bermejo.

Sánchez was trained as a painter from 1965 to 1971 at the San Carlos School of Fine Arts in Valencia. From the 1980s, he no longer worked in the comics industry and focused full time on painting.