Why a station or printer appears disabled in the packing slip print dialog
When you click Print on a packing slip (for a full-page PDF template), Luminous opens a station picker dialog. Two things can appear disabled there:
Station is greyed out — "no document printer"
What you see: The station shows in the dropdown but is disabled with the note — no document printer.
Why it happens: That print agent is online and recognised, but it has only reported a thermal label printer to Luminous (e.g. a Zebra ZPL device). Full-page packing slips are PDF documents and cannot be sent to a label printer, so the station is shown — confirming Luminous can see it — but cannot be selected for this job.
How to fix it:
- Go to Settings → Print Agents and open the station in question.
- Check which printers the agent is reporting under Printers.
- If a document printer (laser, inkjet, PDF-capable) is physically connected to that packing bench but not listed, restart the print agent on that computer so it re-scans available printers.
- Once the agent reports a document printer, it will become selectable in the dialog automatically.
If every station is greyed out, the dialog will tell you that none of your stations has reported a document printer. Use Export PDF to download the file and print from your browser or OS, or update your print agents as above.
Printer is greyed out — "(label printer)"
What you see: After selecting a station, the printer dropdown shows one or more entries ending in (label printer) that cannot be chosen.
Why it happens: The selected station advertises both a document printer and a thermal label printer. Packing slips (full-page PDFs) can only go to a document-capable printer; the label printer is shown so you can confirm Luminous sees it, but it is excluded from this job to prevent sending letter-size pages to 2″ × 1″ stock.
How to fix it: Select one of the enabled printers in the list (a document/PDF-capable printer). If no enabled printer appears, check the agent's reported printers as described above.
The dialog did not open at all — file downloaded instead
If clicking Print immediately downloads a PDF without opening the dialog, it means Luminous found no non-revoked print station for your account. In this case the download is the correct fallback.
To get the print dialog: pair a print agent under Settings → Print Agents and ensure it is not revoked.
Quick reference
| What you see | Root cause | Fix |
|---|---|---|
| Station greyed out, no document printer | Agent reports only a label printer | Add/restart agent so it reports a document printer |
| Printer greyed out, (label printer) | Station has a label printer but no document printer | Select a document printer, or update the agent |
| No dialog — file downloads | No non-revoked station exists | Pair a print agent in Settings → Print Agents |
| Station listed as offline | Agent not running | Start the print agent; job will queue and print when it comes back online |