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Connect your Bluetooth printer

Pair your thermal printer on Android and get it ready with the assistant — no need to know anything about protocols.

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Printing happens in the Android app, connected to a thermal printer over Bluetooth. You don’t need to know about protocols, DPI, or gap: the assistant figures it all out on its own — you just enter the label size and answer a few visual questions.

1. Pair in Android’s Bluetooth

Before adding the printer in EtiquetaChef, pair it in the system:

  1. Turn on the printer

    Wait for the blue light to stay solid (blinking = still searching). If needed, enable discovery mode by holding the paper feed button (FEED) for a few seconds.

  2. Pair from Android

    Open Settings → Connected devices → Bluetooth, tap Pair new device, and select the printer. If it asks for a PIN, try 0000 or 1234.

2. Add it in EtiquetaChef

With the printer paired in Android:

  1. Open Printers

    In the app, open Printers (from the More menu or the printer card on the home screen).

  2. Tap the printer under “Available”

    The paired printer shows up in the Available (tap to add) section. Tap it to save — it moves to Saved, marked as “Not calibrated”.

  3. Open the Assistant

    Tap Assistant on the printer you just added to set it up. See the step-by-step below.

3. The assistant figures out the settings

The assistant connects, prints samples, and asks simple questions. The only thing you enter is the label size.

  1. Enter the label size

    Measure the label with a ruler and type the width and height in millimeters.

  2. Confirm it printed legibly

    The app prints a text sample and asks “Did a legible label come out with this text?”. If yes, it picked the right protocol; if not, it automatically tries the next one. Then it calibrates the paper sensor on its own.

  3. Check the frame and sharpness

    The app prints a frame at the size you entered, with a QR in the center, and asks:

    • “Did the frame match the label size?” — Just right, Came out smaller, or Came out larger. If it’s off, the app corrects itself and reprints.
    • “Did it come out sharp?” — Yes, sharp, Came out faint, or Came out smudged. The app darkens or lightens and reprints.
    • Gap between labels — Transparent / gap (regular gap) or Black mark (roll with a black mark on the back).

  4. Finish

    Once the label comes out at the right size and sharp, tap Done. The configuration is saved on the printer.

Next steps