# Pause and change filament?

**URL:** <https://forum.lulzbot.com/t/pause-and-change-filament/3761>\
**Category:** Software\
**Created:** [July 23, 2016, 11:06pm UTC](https://forum.lulzbot.com/t/pause-and-change-filament/3761 "2016-07-23T23:06:12Z")\
**Posts on this page:** 1\
**Showing post:** 1

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**Author:** ![ttabbal](https://avatars.discourse-cdn.com/v4/letter/t/db5fbb/32.png) [@ttabbal](https://forum.lulzbot.com/u/ttabbal)\
**Post date:** [July 23, 2016, 11:06pm UTC](https://forum.lulzbot.com/t/pause-and-change-filament/3761/1 "2016-07-23T23:06:12Z")

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I have a Mini with the new test firmware installed and the test version of Cura. I can’t get it to pause, let me purge the filament, then resume. I can pause, but after a short time, less than a minute, I get an error in the log window “rror:RXbuf full”. And what seems to be the next couple commands seem to execute, then nothing. The test thread for Cura18 shows a mountain printed with filament change, so it seems like it should be possible.

For this test, I connected the printer direct to my Macbook Pro, latest OSX installed. I set the pause at Z plugin to stop, and it does. Then it starts up again, failing the print. So I tried again pressing the pause button in the UI. Still breaks.

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