What should I do if my printer gets stuck on the "Printing" pop-up when printing via the Munbyn Print app?

Please try the following steps in order:
 

1. Restart your printer: 

Power off the printer, wait at least 5 seconds, then turn it back on. Let it sit for 1–2 minutes for Bluetooth initialization. Then enable Bluetooth on your phone and try pairing. The printer’s Bluetooth is not ready immediately after powering on, and pairing right away often leads to unstable connections.

2. If the above step does not work:

Turn off Bluetooth, fully restart your iPhone, wait 1–2 minutes, then re-enable Bluetooth to reset the Bluetooth module. Bluetooth malfunctions may occur after iOS updates and cause pairing failures. Please restart and reconnect.

3. If you still cannot connect: 

Please save your templates online first, then completely uninstall the app and reinstall the fixed test version using this TestFlight link:
https://testflight.apple.com/join/22qjPrDs

✅ If the above steps help your printer work normally again, please share which specific operation fixed the issue. This helps us pinpoint the root cause and resolve this problem thoroughly as soon as possible.

🔘 If the issue persists after trying all steps above, please provide the information below so we can offer further support (including replacement arrangement):
- Printer order number
- Printed self-test page
- iPhone model and iOS version
- Screenshot of printer settings inside the App
- Version number of the Munbyn Print App

Note: If possible, also describe whether you did anything different from normal use before this problem occurred (such as sudden power loss, leaving the printer on overnight, etc.)

Technical Support Contact:
- Email: support@munbyn.com
- WhatsApp: +86 17817881067
- Phone: +1 628 229 3612