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Sunmi 80 mm cloud printer — Installation guide ​

Around 10 minutes per printer.

This printer can be used in two ways. Pick the one that matches your setup and follow the steps for that path.

  • As a receipt printer — connected directly to a POS device (for example a tablet running OPEN Two). The POS sends orders to the printer over Ethernet or Bluetooth. → Receipt printer setup
  • As a kitchen printer (cloud) — not connected to any POS device. The printer pulls orders from the cloud over the internet. → Kitchen printer setup

Receipt printer setup ​

Use these steps if the printer will sit next to a POS device and print receipts for that device.

1. Load the paper ​

  1. Press the door cover button on the front. The lid pops open.
  2. Drop the 80 mm thermal roll into the compartment, with the paper unrolling from underneath.
  3. Pull a few centimetres of paper past the cutter, then close the lid until it clicks.

Which side is thermal? Scratch the paper with a fingernail. The side that darkens is the thermal side — it must face upwards as the paper feeds out.

2. Connect the printer to the POS ​

Choose one of two ways:

Ethernet (recommended) Plug an Ethernet cable from the printer's LAN port to your router. The POS device must be on the same network.

Bluetooth Pair the printer with the POS device over Bluetooth. Use this when running a cable isn't practical.

About the USB port USB does not send orders from the POS to the printer. It only provides power — for example, to charge a tablet POS from the printer. Communication must go over LAN or Bluetooth.

3. Power on ​

  1. Connect the power adapter to the DC port on the back, then plug it into the wall.
  2. Press the power button to "|". The green light turns on.

4. Select the printer in OPEN Two ​

  1. Log in to your cash register.
  2. Open the menu and go to Settings.
  3. Select Printer settings.
  4. Choose your printer from the list.
  5. Tap Test print to print a test receipt and confirm the connection works.

Kitchen printer setup ​

Use these steps if the printer will print kitchen tickets directly from the cloud, without a POS device next to it.

1. Load the paper ​

  1. Press the door cover button on the front. The lid pops open.
  2. Drop the 80 mm thermal roll into the compartment, with the paper unrolling from underneath.
  3. Pull a few centimetres of paper past the cutter, then close the lid until it clicks.

Which side is thermal? Scratch the paper with a fingernail. The side that darkens is the thermal side — it must face upwards as the paper feeds out.

2. Connect the printer to the internet ​

Plug an Ethernet cable from the printer's LAN port to your router. The connection needs to be stable — the printer talks to the cloud, not to a local POS, so a dropped connection means no tickets reach the kitchen.

Wi-Fi works but is more vulnerable to interference in commercial kitchens. Use Ethernet wherever possible.

3. Power on ​

  1. Connect the power adapter to the DC port on the back, then plug it into the wall.
  2. Press the power button to "|". The green light turns on.
  3. Double-click the pairing button on the back. The printer prints a self-test slip with the serial number, IP address, and MAC address — keep this, you'll need the serial number in the next step.
  4. Wait for the blue network light to turn solid. That means the printer is connected to the cloud and ready to be registered.

4. Activate the printer in BackOffice ​

  1. Go to Company → Devices and select the Printers tab.
  2. Click Activate printer.
  3. In the dialog that opens, select Sunmi printer.
  4. Enter the Serial number (from the self-test slip), a Printer name, and choose the Cost center. Click Connect.
  5. Once the printer is activated, open its settings to finish the configuration:
    • Under Use for, tick Kitchen tickets.
    • Optionally, choose which Cost centers the printer should print tickets from. The printer will only print kitchen tickets from cash registers belonging to the selected cost centers.
    • Optionally, choose specific Categories of articles it should print. If you leave this empty, the printer will print tickets for every article that has "Kitchen ticket" enabled.
  6. Click Save.

Indicator lights ​

LightMeaning
GreenPrinter is on.
BlueConnected to the network. If it's off, check the cable or Wi-Fi.
RedOut of paper, paper jam, or wrong voltage. Flashing means the print head is overheated — wait a minute.
WhiteFlashing: a receipt is waiting to be picked up. Solid: paper is running low.

If something's not working ​

ProblemTry this
Receipts come out blank.The roll is upside down. Open the lid and flip it.
Red light stays on, but there's paper.Reload the roll — the sensor sometimes needs a fresh seat.
Blue network light is off.Check the LAN cable, or run a double-click self-test. If the IP starts with 169.254, your router didn't assign one — try another port or restart the router.
OPEN Two can't find the printer.Make sure the printer and the POS device are on the same network, and the IP you entered matches the one on the self-test slip.
Cloud kitchen printer isn't printing tickets.Check the blue light is solid. If it is, the issue is in BackOffice — confirm the printer is registered, "Kitchen tickets" is ticked under Use for, and the right cost center is selected.