Why is my UltiMaker printer offline?

Written By Albert Møller Nielsen

Last updated About 6 hours ago

Why is my UltiMaker printer offline?

This integration is experimental with limited support.

Quick reference

SymptomSolution
Offline after setupStart the integration
Was working, now offlineRestart the integration
Authentication errorsRe-authenticate

Quick fixes

First: Try restarting the integration service.

sudo systemctl restart simplyprint -ultimaker

1. Is the integration running?

systemctl status simplyprint -ultimaker

To restart:

sudo systemctl restart simplyprint -ultimaker

2. Check setup

  1. Find installation folder (usually ~/simplyprint-ultimaker)
  2. Check config file has correct printer details
  3. Re-run setup if needed: ./install.sh

3. Network check

ping

Also check if you can access the printer's web interface at http://.

4. UltiMaker Digital Factory

If your printer uses Digital Factory:

  • Make sure your account is still linked
  • Re-authenticate if needed

Alternative: OctoPrint

If this integration isn't working reliably, connect through OctoPrint instead:

UltiMaker OctoPrint setup guide

Getting help

Gather this first

  • Printer model
  • Any error messages

Support

Something unclear or missing in this guide? Let us know on Discord.