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Show HN: Canon PIXMA G3010 macOS driver, reverse-engineered with Claude
Canon doesn't provide a working macOS driver for the PIXMA G3010. I was stuck using Canon's iPhone app for all printing and scanning.<p>I pointed Claude Code at a packet capture from the iPhone app and it reverse-engineered Canon's proprietary CHMP protocol, wrote a pure Rust eSCL-to-CHMP bridge daemon, and built a .pkg installer. My role was the physical parts: capturing packets, testing on the printer, confirming Image Capture worked.<p>The protocol docs in docs/ are probably the first public documentation of Canon's CHMP protocol.
This project is a brilliant technical demonstration of using AI for systems-level reverse engineering, but it functions as a niche hobbyist utility rather than a scalable business. While the developer shows exceptional talent, the project faces significant legal risks from Canon and lacks any clear path to monetization or market expansion.