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chelys

Abort Print with FW13.12

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Posted · Abort Print with FW13.12

Hello, I don't know if you have a similar issue, with the new Cura/FW version (13.12 on UM2) when I abort a print the filament retracts by about 10cm.

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Posted · Abort Print with FW13.12

Just out of interest are you slicing on a Mac or PC? It's supposed to do a 20mm retraction it looks like - but you're the second person who has reported getting more.

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Posted · Abort Print with FW13.12

We have the same problem using the UltiGCode (UM2 with PC under Windows 8.1).

Should we return with firmware Cure/FW 13.11.2 ?

Someone have a solution ?

 

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Posted · Abort Print with FW13.12

Also experienced this, I had to go into the maintenance manual to move the it back for the next print

 

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Posted · Abort Print with FW13.12

I'm using a Mac. I do a lot of abort printing because I have some troubles with bed leveling... So, I downgraded to the previous version of FW. Do you know if latest Cura works without problem with an old FW?

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Posted · Abort Print with FW13.12

Ok, I figured this out, I think. There's a nasty timing bug in the firmware so that even if the command buffer gets emptied out first before the retraction is triggered (which is what the fix in 13.12 firmware does) the first command that gets put into the buffer might then be ignored.

I wrote it up as part of my bug report on this issue...

https://github.com/Ultimaker/Ultimaker2Marlin/issues/11

I came up with a few ways to fix it... but it's a bit of a mess; the code is rather tangled, and getting more so. Hopefully there's an elegant way to fix it, rather than another level of complexity to tangle things up even more.

 

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Posted · Abort Print with FW13.12

Guys, one small question for UM1 users:

As there is no abort sequence in UM1, the new firmware is working on this machine without any problems - isn't??

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Posted · Abort Print with FW13.12

Many thanks illuminarti. As you are familiar with the Marlin code, could you please tell me how to setup a tool chain for compiling the firmware?

I read the instructions on github but I don't understand (find) the "arduino software IDE/toolset v23". Have you any link to this file?

Thanks.

 

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Posted · Abort Print with FW13.12

Drayson - yes, the UM1 firmware doesn't have this problem. I haven't tested the new firmware for the UM1 specifically (it's a totally different firmware for each machine) but I imagine it will work fine - UM is basically just shipping an updated build that lots of people have been using for a long time already.

Chelys - see my blog post http://www.extrudable.me/2013/05/03/building-marlin-from-scratch/ for info on compiling Marlin.

 

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Posted · Abort Print with FW13.12

Illuminarti - Thank you again for the links. We are lucky to have persons like you supporting the Ultimaker community (and to spend time to write guides for noobs like me :)).

 

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Posted · Abort Print with FW13.12

Hi Guys, I have learned about this as well today.

I wrote a notification here:

There are I think 2 obvious workarounds:

1: after abort, go to maintenance and move material.

Rotate the button clockwise until you see material being extruded.

2: if you want to abort, just turn off the Ultimaker 2, and turn it on again a couple of seconds later.

It is a known bug now, and it is estimated to be fixed around January 2nd.

Thank you!

 

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Posted · Abort Print with FW13.12

Back from some really needed vacation.

Illuminarti, thanks for looking into this issue! You're spot on with the cause. I'm looking into fixing it right now, top priority.

 

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