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Firmware for LulzBot 3D Printers.

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Yesterday

MikeR added a comment to T2427: Bed Leveling Issues.

From KT-PR0047-0013:

Wed, Apr 25, 1:52 PM · Marlin, Mini-Hibiscus
MikeR added a comment to T2427: Bed Leveling Issues.

Actually from hibiscus 9:

Wed, Apr 25, 1:35 PM · Marlin, Mini-Hibiscus
MikeR added a comment to T2427: Bed Leveling Issues.

Sorry I didn't look at the last one before I posted it, so you can ignore the last post.

Wed, Apr 25, 1:33 PM · Marlin, Mini-Hibiscus
MikeR added a comment to T2427: Bed Leveling Issues.

From Hibiscus 9:

Wed, Apr 25, 1:31 PM · Marlin, Mini-Hibiscus
karrad reassigned T2427: Bed Leveling Issues from marcio to tutley.
Wed, Apr 25, 1:23 PM · Marlin, Mini-Hibiscus
MikeR added a comment to T2427: Bed Leveling Issues.

From hibiscus 7:

Wed, Apr 25, 12:56 PM · Marlin, Mini-Hibiscus
MikeR added a comment to T2427: Bed Leveling Issues.

@marcio this is from hibiscus 19.

Wed, Apr 25, 12:38 PM · Marlin, Mini-Hibiscus
karrad closed T2267: Wrong time displayed after prints as Resolved.

added M75 and M77 to hibiscus start and end gcode here: d99b49f74292

Wed, Apr 25, 12:28 PM · Marlin, Mini-Hibiscus
logan updated subscribers of T2427: Bed Leveling Issues.

@tutley @marcio @west @samantha
Ball is in your court on this one, I'm out of ideas. GL

Wed, Apr 25, 11:22 AM · Marlin, Mini-Hibiscus

Tue, Apr 24

MikeR added a comment to T2427: Bed Leveling Issues.

So far we have had production set aside about 8 printers that were having uneven skirt measurements. This seems to be our main issue currently with calibration.

Tue, Apr 24, 4:20 PM · Marlin, Mini-Hibiscus
karrad added a comment to T2427: Bed Leveling Issues.

Doing some digging here, going to drop what I find for you @marcio Not sure if it is helpful or not, but recent marlin g29 issues posts.

Tue, Apr 24, 12:58 PM · Marlin, Mini-Hibiscus
marcio added a comment to T2427: Bed Leveling Issues.

Does the auto-leveling utilize different step values when applying the bed leveling matrix vs those used in other print/travel moves?

Tue, Apr 24, 12:46 PM · Marlin, Mini-Hibiscus
karrad updated subscribers of T2267: Wrong time displayed after prints.

Initial tests with m1.1.8.34 and c3.2.19 (with start gcode modifications) successful. Print timer starts at first print, and stops once bed moves forward. it never clears.

Tue, Apr 24, 11:37 AM · Marlin, Mini-Hibiscus
logan added a comment to T2427: Bed Leveling Issues.

@marcio @karrad T2220 has a log of skirt measurements that show the auto-leveling on Hibiscus is not functioning properly

Tue, Apr 24, 10:50 AM · Marlin, Mini-Hibiscus
karrad closed T2398: Update standard Z offset for Hibiscus as Resolved.

@marcio Good call, announcement went out today! Mini 2 FW offset, closing out!

Tue, Apr 24, 10:44 AM · Mini-Hibiscus, Marlin
logan added a comment to T2427: Bed Leveling Issues.

@karrad suggested I rack the axis to accentuate movements of the Z-Motors during first layer. While they ARE moving, they are NOT moving enough. Not close, really.
Watching the motors during the first layer, to me it looks like the same amount of motion you'd see if that motor was attached to drive rods (which it shouldn't be) very slight movements. Does the auto-leveling utilize different step values when applying the bed leveling matrix vs those used in other print/travel moves?
Something is causing the auto-leveling process to not function as it should, just trying to narrow it down.

Tue, Apr 24, 10:43 AM · Marlin, Mini-Hibiscus
marcio added a comment to T2267: Wrong time displayed after prints.

@karrad: It looks like I didn't really disable the autostart in .33, but it is disabled in .34.

Tue, Apr 24, 10:43 AM · Marlin, Mini-Hibiscus
marcio added a comment to T2427: Bed Leveling Issues.

@logan: Sorry, when I said .33, I meant .34.

Tue, Apr 24, 10:42 AM · Marlin, Mini-Hibiscus
marcio added a comment to T2398: Update standard Z offset for Hibiscus.

@karrad: In .34, the default Z-offset for Hibiscus (can we call it Mini 2 yet?) is -1.1

Tue, Apr 24, 10:40 AM · Mini-Hibiscus, Marlin
karrad reassigned T2398: Update standard Z offset for Hibiscus from karrad to marcio.
Tue, Apr 24, 10:32 AM · Mini-Hibiscus, Marlin
karrad added a comment to T2267: Wrong time displayed after prints.

@marcio Just to verify, the M75 should go before anything else in start gcode, and the M77 should be at the end of the gcode after bed moving forward?

Tue, Apr 24, 9:16 AM · Marlin, Mini-Hibiscus
logan added a comment to T2427: Bed Leveling Issues.

@marcio Sorry I think we were both typing replies at the same time, that first question can be ignored. I will wait for the fix and see if it has any affect on my issues, only thing I really can do. At this point I have eliminated hardware/mechanics as the root of the issue. The auto bed leveling should be able to compensate, but it simply isn't.

Tue, Apr 24, 9:09 AM · Marlin, Mini-Hibiscus
logan added a comment to T2427: Bed Leveling Issues.

@tutley Sweet.
@marcio Could this cause the first layer issues I was seeing? If the machine isn't getting a bed leveling matrix, (only guessing because it wont report one) it would just run the first layer flat? or how does Marlin handle a situation where bed leveling is turned on but it has no bed matrix data?

Tue, Apr 24, 9:04 AM · Marlin, Mini-Hibiscus
marcio added a comment to T2427: Bed Leveling Issues.

@logan: The reason you were not getting bed probe data (and why your printer was crashing with G29 V4) was actually a serious bug that I wouldn't have caught otherwise. So thank you for reporting this. Thinkyhead (lead Marlin devel) had informed me of a possibility of arguments to G29 causing problems with my new rewipe code, but the fix that he had suggested itself had an issue. I will fix this in .33 as well as push a fix upstream.

Tue, Apr 24, 9:02 AM · Marlin, Mini-Hibiscus
tutley added a comment to T2427: Bed Leveling Issues.

@logan I just spoke with @marcio about this and he said it is a bug and he is correcting it now

Tue, Apr 24, 8:58 AM · Marlin, Mini-Hibiscus
logan added a comment to T2427: Bed Leveling Issues.

@tutley Correction; when not homed first, G29 automatically levels, wipes, and then probes. If already homed it will go straight to probing

Tue, Apr 24, 8:56 AM · Marlin, Mini-Hibiscus
logan added a comment to T2427: Bed Leveling Issues.

@tutley Ok. I tried with 1.1.8.33 also, same result. G29 V4 and G29 perform the same moves. Only difference is that G29 doesn't reboot the machine when it finishes, neither report the bed leveling matrix.

Tue, Apr 24, 8:51 AM · Marlin, Mini-Hibiscus
tutley added a comment to T2427: Bed Leveling Issues.

@logan im putting 1.1.8.31 on my machine now and going to try a g29 v4

Tue, Apr 24, 8:49 AM · Marlin, Mini-Hibiscus
logan added a comment to T2427: Bed Leveling Issues.

@tutley Wanna come watch? Its definitely not treating it like a probe fail

Tue, Apr 24, 8:49 AM · Marlin, Mini-Hibiscus
tutley added a comment to T2427: Bed Leveling Issues.

@logan the G29 V4 should not enter the leveling and wipe sequence. That means the printer thinks it had a probe fail and is trying to relevel, rewipe, and reprobe.

Tue, Apr 24, 8:47 AM · Marlin, Mini-Hibiscus
logan added a project to T2427: Bed Leveling Issues: Marlin.
Tue, Apr 24, 8:35 AM · Marlin, Mini-Hibiscus

Mon, Apr 23

lansky added a comment to T2417: Fan speed.

It's current, newest firmware in our public version of Cura 2 is 1.1.5.71 (I think I and the forum user left off the 1).

Mon, Apr 23, 11:14 AM · Marlin
logan added a comment to T2267: Wrong time displayed after prints.

To me it seems like the best solution, but that is only from my perspective. It would seem easier to me to instruct those who may run into that issue to update to the latest Cura.

Mon, Apr 23, 11:13 AM · Marlin, Mini-Hibiscus
marcio added a comment to T2267: Wrong time displayed after prints.

@logan: Yes. I suppose this would be less hacky. This would mean that the timer would not start if the newer FW was used on older versions of Cura. If we are okay with that, then yes, it may be the best solution.

Mon, Apr 23, 11:11 AM · Marlin, Mini-Hibiscus
karrad added a comment to T2267: Wrong time displayed after prints.

I am willing to test any of the gcode changes before implementing into Cura, but we will need to change each machine. @marcio Can you post the Hibiscus start/end as an example?

Mon, Apr 23, 11:10 AM · Marlin, Mini-Hibiscus
logan added a comment to T2267: Wrong time displayed after prints.

or would that need applied to all machine's start/end gcode in order for the timer to function properly?

Mon, Apr 23, 11:10 AM · Marlin, Mini-Hibiscus
logan added a comment to T2267: Wrong time displayed after prints.

@marcio From above:

Mon, Apr 23, 11:08 AM · Marlin, Mini-Hibiscus
marcio added a comment to T2267: Wrong time displayed after prints.

It looks like the threshold between what Marlin considers to be low vs high temp is EXTRUDE_MINTEMP/2. Since we set EXTRUDE_MINTEMP to 120, this means that we could lower to nozzle temp to 65 in the end gcode without interruption of the timer. We could then wait for the part to cool, and at the very end set the hot end to 0. This would stop the timer.

Mon, Apr 23, 11:06 AM · Marlin, Mini-Hibiscus
karrad added a comment to T2267: Wrong time displayed after prints.

@marcio No changes to end gcode have been made, what is your suggestion?

Mon, Apr 23, 11:05 AM · Marlin, Mini-Hibiscus
marcio added a comment to T2267: Wrong time displayed after prints.

@karrad: Were the end GCODEs for Cura modified as I suggested? I guess what I am saying is that this is not a Marlin issue.

Mon, Apr 23, 11:00 AM · Marlin, Mini-Hibiscus
karrad added a comment to T2267: Wrong time displayed after prints.

@marcio I have no hibiscus at the moment to test this. After a print is complete, does the timer on the LCD reset once bed is moved forward?

Mon, Apr 23, 10:57 AM · Marlin, Mini-Hibiscus
marcio added a comment to T2267: Wrong time displayed after prints.

@karrad: Can this ticket be closed?

Mon, Apr 23, 10:39 AM · Marlin, Mini-Hibiscus
marcio added a comment to T2340: Taz 5 V2 dual extruder.

@bigmansas: I put in a correction in Marlin 1.1.8.32, could you give that version a try and see if it resolves the issue?

Mon, Apr 23, 10:37 AM · Marlin
marcio added a comment to T2417: Fan speed.

It's hard to say. That's ridiculously old FW. I would recommend upgrading to the version of FW in Cura 2.

Mon, Apr 23, 10:19 AM · Marlin
lansky created T2417: Fan speed.
Mon, Apr 23, 7:01 AM · Marlin

Fri, Apr 20

lansky added a comment to T2398: Update standard Z offset for Hibiscus.

@logan Yeah that is a good idea. The good thing is that we have instructions to note down the offset here: https://www.lulzbot.com/learn/tutorials/firmware-flashing-through-cura for the Taz, we would just want to update the steps to match the Mini LCD menu.

Fri, Apr 20, 12:48 PM · Mini-Hibiscus, Marlin
logan added a comment to T2398: Update standard Z offset for Hibiscus.

The default will almost never be correct, I'd rather have them adjust until it sticks than damage the bed first try.
For documentation sake, have the user record the offset prior to flashing = no issue setting offset after flash

Fri, Apr 20, 12:45 PM · Mini-Hibiscus, Marlin
karrad updated subscribers of T2398: Update standard Z offset for Hibiscus.

@logan we will double check the range, and see what pops up. atm, we have a documentation ticket T2400 regarding Z offset

Fri, Apr 20, 12:16 PM · Mini-Hibiscus, Marlin
logan added a comment to T2398: Update standard Z offset for Hibiscus.

This had been requested on production runs in the past but, I recommend that we set the default above the average to prevent users from crashing into the bed first attempt. So if average comes up -1.00, we should be setting -0.9

Fri, Apr 20, 12:08 PM · Mini-Hibiscus, Marlin
karrad triaged T2398: Update standard Z offset for Hibiscus as Normal priority.
Fri, Apr 20, 10:34 AM · Mini-Hibiscus, Marlin