# `GET /printer/{id}`

Protected. Requires a valid session cookie (`credentials: 'include'`).

Get printer by ID

Retrieves a single printer for the authenticated user's selected company.

## Path parameters

| Param | Required | Type | Description |
|-------|----------|------|-------------|
| `id` | yes | integer | Printer ID |

## Response `200`

Printer details

```json
{
  "printer": {
    "id": 1,
    "company_id": 1,
    "address": "…",
    "type": "esc/pos",
    "model": "…",
    "serial": "…",
    "sort": 1,
    "desc": "…"
  }
}
```

## Errors

| Status | Description |
|--------|-------------|
| 400 | Invalid ID or no company selected — `{"error":"…"}` |
| 401 | Unauthorized — `{"error":"…"}` |
| 403 | Not authorized — `{"error":"…"}` |
| 404 | Printer not found — `{"error":"…"}` |

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