The comments section was a holy scripture of repair. One comment, from “Zdenek_Prague,” said: “For those asking, the service manual page for this is 147. The factory torque for those screws is 0.3 Nm, but ‘snug’ works.”

His quest began in the dark corners of the web. Forums whispered of it. Reddit threads ended in bitter arguments: “It doesn’t exist,” one user said. “My cousin’s neighbor worked in a Jura factory in Switzerland. He said they burn the last copy every Christmas.”

He needed the forbidden text. The Jura E8 Repair Manual.