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How can I troubleshoot and resolve printer disconnection issues on the Nomni POS system?

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Written by Lucien Hopkinson

Quick answer: Check the iPad's Wi-Fi settings. On the iPad, open Settings > Wi-Fi and tap the i next to your POS network. Set Private Wi-Fi Address to Off and turn Limit IP Address Tracking off. Allow Local Network access. Open Settings > Nomni POS on the iPad and make sure Local Network is on

How to troubleshoot and fix printer disconnection issues on Nomni POS

Printer disconnections can disrupt service, but most can be fixed with the steps below. Work through them in order.

Step 1: Check the network and the iPad

  1. Check the iPad's Wi-Fi settings. On the iPad, open Settings > Wi-Fi and tap the i next to your POS network. Set Private Wi-Fi Address to Off and turn Limit IP Address Tracking off.

  2. Allow Local Network access. Open Settings > Nomni POS on the iPad and make sure Local Network is on (green).

  3. Restart the iPad. Turn it off, wait a few seconds, and turn it back on.

  4. Check that the printer and the iPad are on the same network. If the printer uses an Ethernet cable, check it's firmly plugged into the printer and into a LAN port on the router, and that the lights on the printer's network port are on or flashing.

Step 2: Check the printer

  1. Check the printer in the POS. Tap the printer icon at the top of the POS. Make sure the printer is listed and its switch is on. If you see waiting Print Tasks, resume or delete them.

  2. Restart the printer. Turn the printer off, unplug and replug the network cable, then turn it back on. Wait a minute or two for it to start up.

  3. Print a self-test or network report using the printer's own buttons, and check that its IP address is on the same network as the iPad.

  4. Check paper. Make sure there's enough paper in the printer and the cover is closed.

  5. If production dockets should print from this iPad, check that system setting C29 Print Production Docket From Current Device is turned on.

  6. Check printer locations. If only some items don't print, check that those products have a printer location in Nomni Console (POS > Products > Products). See Printer Locations.

Step 3: Sync, restart the router and update the app

  1. Sync the POS. On the POS, go to Settings > Sync and tap SYNC ALL PRODUCTS AND EXTRAS FROM BACKEND. On the Master iPad you can also tap MASTER SYNC.

  2. Restart the router. Unplug its power, wait a few seconds and plug it back in. Don't factory reset the router.

  3. Update the POS app. Open the App Store on the iPad, search for Nomni POS and tap Update if an update is available.

  4. Test version (only if Nomni Support asks). Sometimes support may ask you to install a specific build through Apple's TestFlight app. They will send you the link and tell you which version to install.

Still not printing?

Need help?

See Printer not printing, not found or missing from the printer list on Nomni POS (iPad) for more checks. If it still isn't working, contact Nomni Support at support@nomni.ai or on 1300 445 483, and tell us the printer model, which iPad it prints from, and what you've already tried.

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