Someone had replaced the stock ROM with a custom chip. It was etched with a logo he didn't recognize: a circle with a vertical line through it, like an eye half-closed. Next to it, in microscopic engraving: "HP Color Laser MFP 178nw / Build Date: Not Applicable / Driver Version: Omni-Causal 1.0."
Arjun finally took the machine to his workshop. He disassembled it. The laser scanner assembly was standard. The fuser was clean. But when he pulled the formatter board—the brain—he found something that made him drop his screwdriver.