Stephen T Dunn

Title: Innovations by Stephen T. Dunn: A Pioneer in Photoreceptor Cleaning Technology

Introduction

Stephen T. Dunn is an accomplished inventor based in Webster, NY, recognized for his significant contributions to cleaning technology in the field of imaging. With two patents to his name, he has played an essential role in enhancing the efficiency and functionality of photoreceptors used in various printing technologies. His work at Xerox Corporation underscores his commitment to innovation.

Latest Patents

Dunn's latest patents focus on advanced cleaning systems for photoreceptors. The first patent, titled "Photoreceptor Comet Prevention Brush," describes an apparatus designed to clean the charge retentive surface of a photoreceptor. This invention incorporates a rotating brush that maintains a constant and uniformly distributed contact with the surface, effectively preventing issues like friction, heat buildup, and photoreceptor jamming. The cleaning brush adapts to conditions such as bristle wear, ensuring consistent performance over time.

The second patent, "Cleaning Device Including Abrading Cleaning Brush for Comet Control," provides a solution for cleaning residual toner from a charge retentive surface. This apparatus features a rotating abrading brush positioned upstream of a primary cleaner, which works to reduce friction and prevent the formation of adhered toner particles, known as comets. These innovations greatly enhance the efficiency and reliability of photoreceptor cleaning processes.

Career Highlights

As an integral member of Xerox Corporation, Stephen T. Dunn has dedicated his expertise to developing cutting-edge technologies that improve productivity in printing and imaging solutions. His inventions are not just theoretical; they translate into practical applications that have been adopted in industry-leading products, showcasing his impact on the field.

Collaborations

Throughout his career, Dunn has collaborated with several talented individuals, including John J. Kopko and Douglas W. Sass. These partnerships have fostered a collaborative spirit within Xerox Corporation, driving forward innovative projects that push the boundaries of technology in image processing.

Conclusion

Stephen T. Dunn's commitment to innovation is evident through his patents and contributions to modern imaging technologies. His work continues to influence the effectiveness of cleaning systems in photoreceptors, ensuring a cleaner, more efficient printing process. The advancements he has pioneered have set new standards in the industry, reflecting the valuable role of inventors in driving technological progress.