Diebenkorn in the Print Shop

At Crown Point Press in San Francisco, instructed a team of assistants to process and print his plates, which he’d sign “Ok to print” in final approval. “Nobody chastises the artist for roller marks,” he once said. “It’s the printer that gets it for that”.
See Diebenkorn at work in this video from Crown Point Press, featured on SFMOMA's website, and compare the process to the completed work.