MMU not responding #04401 (MMU)

Menu
Relevant for:
Last updated 10 months ago
This article is also available in following languages: 

What happened?

The printer is trying to initiate communication with the MMU unit, but there is no response.

How to fix it?

Check the following:

  • Make sure the MMU unit is present on the printer. If not, either connect the MMU unit back or turn the MMU off either by selecting Disable MMU or in the printer’s menu.
Do not move, connect, or disconnect the cables while the printer is on!
  • Verify all the cables are connected properly. Do not move, connect or disconnect the cables while the printer is on!
  • Verify all the cables are in good condition and the connections are stable. 
  • Make sure your MMU3 unit is correctly assembled with the PD-board addon attached.
  • Make sure you are using the correct up-to-date firmware for both the printer and the MMU unit.
Was this article helpful?

Comments

Still have questions?

Still have questions?

If you have a question about something that isn't covered here, check out our additional resources.
And if that doesn't do the trick, you can send an inquiry to [email protected] or through the button below.

Contact us