We have the same error. I agree it should display which extruder it thinks is out of material. (even though neither of them are)
We are getting frequent error: “One material appears to be empty”. The error is always wrong because there is plenty of material. This is extremely frustrating and making 3d prints take 5X longer because the error happens after we go home and the unit sits all night idle losing 10-12 hours of print time.
Is this as simple as just swapping out the flow sensor? Looks like 1 screw & 1 plug.
Here is what we have tried/observed:
1. https://ultimaker.com/en/resources/52577-flow-sensor-error
2. Upgrading firmware
3. Took apart and cleaned out the material feeder blew with light air (breath)
4. Blew out the Bowden tube to remove any residual dust.
5. Ensured the material is not binding
6. Measured the material: It is perfectly in spec at 2.85MM
7. Happens on multiple jobs
8. Message occurs at random time intervals ½ hour to many hours.
9. When the error happens it is using black PLA on extruder 1. Ultimaker brand PVA is in the other.
10. We are printing over the network. I wonder if printing using USB make a difference?
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kmanstudios
I would not say always. Here would be the thought behind that. Find out what angle your printer can do without supports. For instance, this is a two colour print without supports.
blanerobinson
I have this same error coming up when I print with the more flexible filaments: PVA, PP, TPU. It was maddening until I dug into the hardware a bit. There was no tension on the feeder (the indicator wa
WesleyE
That does not look good. Can you check a few things to rule out some causes? Can you check if you're in the latest version of the firmware? We improved the end of filament detection a lot since the fi
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Zel_man 0
I just started to receive this error message after upgrading to Firmware 5.2.11.2010503.
Printing with Ultimaker Nylon on extruder 1, seems to happen about 3 - 3.5 hours into the print.
Any solutions beyond disabling the filament sensor?
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