# Tasks ## 1. Advertise the AirPrint sub-type without the CUPS sub-type - [x] 1.1 Add `BrowseDNSSDSubTypes _print,_universal` to `cupsd.conf` with the reason (macOS treats a printer carrying `_cups` as shared and then withholds its AirPrint driver), and verify the directive name, its default and the way it forms the registered sub-type list against the CUPS 2.4 sources (`scheduler/conf.c`, `scheduler/dirsvc.c`) - [x] 1.2 Correct the README "macOS adds the printer as a Generic PostScript printer" section so it names the sub-type cause first, keeps the certificate as the second cause, and shows commands that actually report the advertisement; verify the documented `avahi-browse` commands are valid invocations of the installed Avahi client - [x] 1.3 Rebuild and redeploy the image on the podman host, then verify the advertisement: `podman exec systemd-print-server avahi-browse -rt _ipp._tcp,_universal` lists the queue and `avahi-browse -rt _ipp._tcp,_cups` does not list it (other CUPS servers on the network may appear there) - [x] 1.4 Verify nothing else regressed: `ipptool -tv ipp://podp.local:631/printers/` and the `ipps://` variant report ipp status 0, and `lpinfo -v` on a CUPS client still resolves the queue to a `dnssd://…/cups?uuid=…` URI ## 2. Confirm macOS offers the driverless driver - [x] 2.1 On the Mac, remove the queue and add it again; verify the *Use:* popup offers **AirPrint Printer**, `/etc/cups/ppd/.ppd` contains `*APAirPrint: True` and `lpoptions -p -l` lists the duplex, colour and tray-2 options that the generic PPD hid ## Workflow follow-up - Archive this change (`/opsx-archive`) so the delta merges into `openspec/specs/printserver/cups/spec.md`. - Archive the still-open `fix-ipps-certificate-lookup` change once its live verification task is done. - Commit the implementation together with the archived changes using `jj`.