A former "American Idol" contestant accused of videotaping sexual encounters with two teenage girls has been indicted on child pornography charges.

Daniel James "DJ" Boyd, 27, pleaded not guilty Tuesday in US District Court to charges of production of child pornography and possession of child pornography.

A trial date was set for September 18. If convicted, he faces up to 40 years in prison.

Boyd, a contestant on the popular TV talent competition two years ago, was arrested last month in West Valley City after a 14-year-old girl contacted police. He has remained in the Salt Lake County Jail since his arrest.

The Salt Lake County district attorney's office has also charged Boyd with unlawful sexual activity with a minor and unlawful supply of alcohol to minors.

He is scheduled to appear in district court July 25 for a preliminary hearing on those charges.