Propos and Marvel printers not connecting to Odoo POS
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Propos and Marvel printers not connecting to Odoo POS
Hello Syed Omer Razvi,
I hope you are doing well
ProPOS & Marvel printers won't connect to Odoo POS usually because:
- Missing IoT Box - needed to bridge the printer to Odoo.
- Printer not in ESC/POS mode - switch it via DIP switches or config tool.
- Not assigned in POS Settings - go to Settings > Receipt Printer and select it.
Quick fix: USB → IoT Box → assign in POS settings → restart session.
I hope this information helps to you
Thanks & Regards,
Kunjan Patel
I hope you are doing well
ProPOS & Marvel printers won't connect to Odoo POS usually because:
- Missing IoT Box - needed to bridge the printer to Odoo.
- Printer not in ESC/POS mode - switch it via DIP switches or config tool.
- Not assigned in POS Settings - go to Settings > Receipt Printer and select it.
Quick fix: USB → IoT Box → assign in POS settings → restart session.
I hope this information helps to you
Thanks & Regards,
Kunjan Patel
The post is pretty sparse on details, but printer connectivity issues in Odoo POS are common, so here's a structured troubleshooting approach:
## Check the Connection Method First
Odoo POS supports printers via:
- **IoT Box** (official method)
- **Direct USB** (limited, typically via IoT Box)
- **Network/IP printing** (ePos protocol)
- **Proxy** (hw_proxy / hw_escpos modules)
ProPos and Marvel are typically ESC/POS compatible thermal printers. The key question is **how** you're trying to connect them.
## Most Common Fixes
**If using IoT Box:**
- Ensure the IoT Box firmware matches your Odoo version
- Check if the printer appears in IoT Box homepage (http://iot-box-ip:8069)
- Try USB disconnect/reconnect — IoT Box should auto-detect ESC/POS printers
**If using direct network (IP) printing:**
- Confirm the printer IP is reachable from the machine running the POS
- In POS config, set the printer's IP under IoT/Proxy settings
- Port is usually **9100** for raw TCP printing
**If using hw_escpos (Community without IoT Box):**
- Install `hw_escpos` module on the machine connected to the printer
- Run Odoo's hardware proxy: `python3 odoo-bin --load=web,hw_proxy,hw_escpos`
- Set the POS proxy IP in POS settings
## Quick Debug Steps
1. Check browser console (F12) for WebSocket/connection errors
2. Verify printer works standalone (print test page from printer itself)
3. Check USB permissions on Linux: add your user to `lp` group
4. For network printers, test with: `echo "test" | nc printer_ip 9100`
If you can share your Odoo version, connection method (USB/Network/IoT), and OS, the community can give a more targeted answer.
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Thank you, Mr. Kunjan Patel. I am a resident of Saudi Arabia and currently awaiting a response from the client who requires the solution. Once I receive it, I will contact you to obtain access to the solution.