# HP M1217 scanner

The scanner runs in an Alpine Linux container. Build the image and scan one
page from the flatbed with:

```sh
make scan
```

The resulting PDF is written to `scans/`. The command passes the current user
and group IDs to the container, so the PDF is owned by the invoking user.

Optional settings can be passed to `make`:

```sh
RESOLUTION=600 MODE=Gray make scan
```

Supported variables are `RESOLUTION`, `MODE`, `SCAN_SOURCE`, `SCAN_WIDTH`,
`SCAN_HEIGHT`, `JPEG_QUALITY`, `SCAN_TIMEOUT` (seconds), and `SANE_DEVICE`.
The default flatbed area is `215.9 × 297 mm`; override it when using a
different source or page size.

If an interrupted run leaves a container behind, the next `make scan` removes
that exact scan container before opening the USB device.

Remove the scanner container, Compose resources, and the built image with:

```sh
make clean
```

Scanned PDFs in `scans/` are preserved.