The ML-1670 works on macOS, but only if you download the legacy HP-provided Samsung driver package. It does not support Apple Silicon (M1/M2/M3) natively and will require Rosetta 2. USB-only connectivity (no network/Wi-Fi).
If the Apple package doesn't work, you can try open-source alternatives: h30434.www3.hp.comhttps://h30434.www3.hp.com samsung ml-1670 series driver mac
can still use this printer by utilizing a workaround with legacy Apple-provided Samsung drivers. HP Support Community Recommended Workaround for Modern macOS The ML-1670 works on macOS, but only if