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Stop print = Break my printer?  

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jordan.c
(@jordan-c)
Estimable Member
Stop print = Break my printer?

So today I stopped a print for the first time via the lcd (not octo print) and as soon as I clicked it, the bed rushed forward, slammed into the left foot (stopper?) and the belt skipped a dozen or so teeth.

Ummm.... never doing that again. What the hell happened? It was almost like it was in relative mode.

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Posted : 20/01/2017 4:18 pm
David T.
(@david-t)
Noble Member
Re: Stop print = Break my printer?

fw version?

Posted : 20/01/2017 5:08 pm
PU2
 PU2
(@pu2)
Eminent Member
Re: Stop print = Break my printer?

Time to time I have similar problem - in this case (I expect it) and immediately push reset button. It seems be FW problem.

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Posted : 20/01/2017 5:40 pm
patrizio.b
(@patrizio-b)
Trusted Member
Re: Stop print = Break my printer?

Indeed a fw problem, happened various times. Never use the printer again after a stop: reset or power cycle first.

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Posted : 20/01/2017 7:03 pm
jordan.c
(@jordan-c)
Estimable Member
Topic starter answered:
Re: Stop print = Break my printer?

fw version?

3.0.9

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Posted : 20/01/2017 8:10 pm
mavu
 mavu
(@mavu)
Estimable Member
Re: Stop print = Break my printer?

fw version?

3.0.9

Interesting, I never had that, and am using 3.0.9 too.
Are you using slic3r? or some other slicer?

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Posted : 21/01/2017 11:09 pm
jordan.c
(@jordan-c)
Estimable Member
Topic starter answered:
Re: Stop print = Break my printer?

fw version?

3.0.9

Interesting, I never had that, and am using 3.0.9 too.
Are you using slic3r? or some other slicer?

slic3r but this is outside of that scope... it has to be a firmware thing right?

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Posted : 22/01/2017 12:37 am
JeffJordan
(@jeffjordan)
Moderator
Re: Stop print = Break my printer?

quite curious.
because i'm often experimenting and testing, i often stop the print via the lcd console.
did it at least between 30 and 40 times, but i never had the described problem.

😯
btw. my MK2 runs with firmware 3.0.9 too, but my octoprint is NOT connected to the printer... it's only installed for providing the little endoscope cameras video stream.
so the prusa is completely "stand alone".

dem inscheniör is' nix zu schwör......
Posted : 22/01/2017 1:28 am
m.j.w..v
(@m-j-w-v)
New Member
Re: Stop print = Break my printer?

Had the same problem a few times here also. FW version = 3.09.

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Posted : 22/01/2017 8:20 pm
JeffJordan
(@jeffjordan)
Moderator
Re: Stop print = Break my printer?

@m.j.w..v: is your printer connected to a raspberry with octoprint, or to your computer ?

dem inscheniör is' nix zu schwör......
Posted : 22/01/2017 8:28 pm
MrMik
(@mrmik)
Honorable Member
Re: Stop print = Break my printer?

Same problem, also affects Z-axis at times.
FW 3.0.9, not sure if it also happened with 3.0.8 but I think it did.

This work around works for me most of the time:

"Pause Print" first, wait until extruder stops moving. It can take a while. The "Stop print" > "YES".

If you stop the print when the extruder is not moving (during preheating for example), then wait 20-30s after "Pausing".

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Posted : 22/01/2017 10:33 pm
jordan.c
(@jordan-c)
Estimable Member
Topic starter answered:
Re: Stop print = Break my printer?

@m.j.w..v: is your printer connected to a raspberry with octoprint, or to your computer ?

Yeah... it is.. you think this happens when canceling a print started by octoprint?

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Posted : 23/01/2017 3:07 pm
JeffJordan
(@jeffjordan)
Moderator
Re: Stop print = Break my printer?

i had some issues here when i connected my i3/mk2 via usb to the octopi. main problem is that if you connect/reconnect the port, the rambo does a reset.
it's only an assumption that the mystic behaviour of the printer is related to the raspberry connection, but an educated one ;-).

dem inscheniör is' nix zu schwör......
Posted : 23/01/2017 3:36 pm
Carsten
(@carsten-2)
Estimable Member
Re: Stop print = Break my printer?

I print via Octoprint and had never such a strange behaviour. And I canceled more than often a print 😳

Carsten

My Things: http://www.thingiverse.com/calli/designs
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My Make Blog: https://plus.google.com/b/113205824564673616795/113205824564673616795...
Posted : 23/01/2017 8:07 pm
jordan.c
(@jordan-c)
Estimable Member
Topic starter answered:
Re: Stop print = Break my printer?

solved

It was a bug when you cancelled a print before homing. I only just noticed this because of the release notes for the next frimware version


Stopping print before homing happened and axis positions were known could led into crashing. It has been fixed and stop print sequence now contains no movements in X or Y direction unless axis positions are known.

https://github.com/prusa3d/Prusa-Firmware/releases/tag/v3.0.10-RC1

really glad we weren't crazy and they fixed it

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Posted : 10/02/2017 11:26 pm
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