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Firmware for LulzBot 3D Printers.

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WARNING: Do not use Marlin build versions 2.0.0.136 through 2.0.0.142. These versions have an error that affects the functionality that protects against thermal runaway. These build versions have been removed from our downloads but if you built a version yourself and you are still using it, immediately upgrade to a version of 2.0.0.143 or higher.

Recent Activity

Fri, Oct 11

matth added a comment to T10347: Not heating at all for prints.

I downgraded back to 149 and it works as intended. Has the target temps and is heating like normal.

Fri, Oct 11, 12:33 PM · Marlin, Quiver
matth added a comment to T10347: Not heating at all for prints.

I tried 173 and got the same result.

Fri, Oct 11, 12:18 PM · Marlin, Quiver
tutley added a comment to T10347: Not heating at all for prints.

can you try .173 or later?

Fri, Oct 11, 12:01 PM · Marlin, Quiver
matth triaged T10347: Not heating at all for prints as High priority.
Fri, Oct 11, 11:57 AM · Marlin, Quiver
matth added a comment to T8628: TAZ Pro - Menu Timeout.

About screen times out back to the main screen, perfect!

Fri, Oct 11, 10:45 AM · Marlin, Quiver

Wed, Oct 9

karrad closed T6666: MAX_TEMP_BED ignored, printer will not halt on overtemp. as Resolved.

Upstream issue ticket has been closed, going to close this one as well.

Wed, Oct 9, 2:03 PM · Quiver, Redgum, Marlin
karrad closed T9850: Heat Runaway after switching extruder as Resolved.

Without any other reports, closing this one down as resolved.

Wed, Oct 9, 1:54 PM · Marlin, Quiver
karrad closed T10216: Bio & Marlin .166 Home buttons misplaced as Resolved.

@Greggb Glad to hear you like it! We are going to close this one down.

Wed, Oct 9, 1:46 PM · Marlin
Greggb added a comment to T10216: Bio & Marlin .166 Home buttons misplaced.

This works much better. I like it.

Wed, Oct 9, 1:32 PM · Marlin
karrad assigned T10216: Bio & Marlin .166 Home buttons misplaced to Greggb.

As homing is done right at the beginning, and is not required past this point (we specifically recommend manually moving the head and bed) we removed the icons. We have updated this to make it more clear that one is for the syringe and one is for general movement:

Wed, Oct 9, 1:27 PM · Marlin
karrad added a comment to T10298: Touching whitespace in KangarooPaw menu triggers Level X Axis button.

@marcio Sorry! I was more logging an official note of "tested with new firmware, it is fixed, closing out."

Wed, Oct 9, 12:36 PM · kangaroo-paw, Marlin
marcio added a comment to T10298: Touching whitespace in KangarooPaw menu triggers Level X Axis button.

@karrad: Yes, I fixed it.

Wed, Oct 9, 12:34 PM · kangaroo-paw, Marlin
marcio added a comment to T10282: Change Start Up Functionality for Bio.

@Steven: Remember, the first prompt is for the user to clear the top of the printer, because it needs to home to move to the syringe removal position. The second prompt is for the user to remove the syringe. Both are necessary.

Wed, Oct 9, 12:32 PM · Marlin
Steven added a comment to T10282: Change Start Up Functionality for Bio.

@karrad @marcio this still has two separate prompts at the start. In our discussion it was questioned if we needed the first one during start up and just have the second command home as it is also homing.

Wed, Oct 9, 11:38 AM · Marlin
karrad closed T10338: Bio 2.0.0.173 Fan Behaviour as Invalid.

Sorry for the false alarm, I popped the electronics case out. It looks like there was a wire preventing proper movement. Once clearing, the fan spun right up when releasing motors.

Wed, Oct 9, 10:42 AM · Marlin
karrad closed T10291: Unable to raise Z on Dual V3 on FW .169 as Resolved.
Wed, Oct 9, 10:36 AM · Marlin
karrad triaged T10338: Bio 2.0.0.173 Fan Behaviour as High priority.
Wed, Oct 9, 10:33 AM · Marlin
karrad closed T10298: Touching whitespace in KangarooPaw menu triggers Level X Axis button as Resolved.

I am unable to duplicate this on 2.0.0.173 firmware, going to go ahead and close it out.

Wed, Oct 9, 10:23 AM · kangaroo-paw, Marlin
karrad closed T10310: Missing Defined Extruder - Bio as Resolved.
Wed, Oct 9, 10:17 AM · Marlin
karrad added a comment to T10310: Missing Defined Extruder - Bio.

@marcio Thank you!

Wed, Oct 9, 9:48 AM · Marlin
marcio added a comment to T10310: Missing Defined Extruder - Bio.

My local builds are always one version ahead of the one I push to build bot, so disregard the fact it says ".174. The only change from ".173" is that the version number was incremented after the push:

Wed, Oct 9, 9:45 AM · Marlin
karrad added a comment to T10310: Missing Defined Extruder - Bio.

@marcio Can you post a .hex file here for testing while we await the full build?

Wed, Oct 9, 9:40 AM · Marlin
marcio added a comment to T10310: Missing Defined Extruder - Bio.

Fixed in .173

Wed, Oct 9, 9:35 AM · Marlin

Tue, Oct 8

karrad triaged T10310: Missing Defined Extruder - Bio as High priority.
Tue, Oct 8, 4:09 PM · Marlin
karrad closed T10281: LCD Color Scheme as Resolved.

@Greggb Should be solid, I will nab it for you.

Tue, Oct 8, 2:55 PM · Marlin
Greggb added a comment to T10281: LCD Color Scheme.

This is good to go.

Tue, Oct 8, 2:48 PM · Marlin
karrad reassigned T10281: LCD Color Scheme from marcio to Greggb.

@Greggb New firmware with your adjustment can be found here: http://devel.lulzbot.com/software/Marlin/2.0.0.171/Marlin_Bio_SingleExtruder_2.0.0.171_a0ff23ddc.hex

Tue, Oct 8, 2:27 PM · Marlin
alexei closed T9858: PLA Stringing as Resolved.

@anolen, merged it to master.

Tue, Oct 8, 11:19 AM · Marlin, Cura LulzBot Edition, Redgum
bmh added a comment to T1506: Feature Request: Store Bed Matrix.

As far as I can tell, UBL is not required for saving bed leveling information. The bed leveling information is stored using M500. When the printer powers on again, a user can re-enable bed leveling by typing M420 S1. I believe this request keeps coming up because people try printing without G29 and without M420 S1. You need one of those in your start GCODE in order to enable bed leveling. The only difference is that G29 re-probes the bed, while M420 S1 will simply used the saved information.

Tue, Oct 8, 10:19 AM · Cura LulzBot Edition, Marlin
karrad added a comment to T10291: Unable to raise Z on Dual V3 on FW .169.

Closing this one down, will re-open if required with future reports. (Fixed in 2.0.0.170)

Tue, Oct 8, 10:08 AM · Marlin
karrad reassigned T10281: LCD Color Scheme from Greggb to marcio.

@Greggb Glad you like it! Consensus here in PP is it looks much more like the part.

Tue, Oct 8, 10:06 AM · Marlin
Greggb added a comment to T10281: LCD Color Scheme.

@karrad all the menu items look great in blue. I went through each menu setting and everything looks good.

Tue, Oct 8, 10:01 AM · Marlin
marcio created T10298: Touching whitespace in KangarooPaw menu triggers Level X Axis button.
Tue, Oct 8, 9:53 AM · kangaroo-paw, Marlin
tutley added a comment to T10297: Change Cable Cover Bio .

@karrad the cable cover is what is making contact with the frame. it would be an easy modification to the printed part to ensure this doesnt happen

Tue, Oct 8, 9:49 AM · kangaroo-paw
marcio closed T10297: Change Cable Cover Bio as Invalid.

On the bio, TJ said most users want to be able to move the axis by hand prior to starting their printers. Because of this, the axis are left unlocked and the coordinate system cannot be relied upon. So software endstops are disabled on the Bio and the axis will always skip if you try driving them beyond the max or min.

Tue, Oct 8, 9:10 AM · kangaroo-paw
karrad triaged T10297: Change Cable Cover Bio as Normal priority.
Tue, Oct 8, 8:59 AM · kangaroo-paw
karrad reassigned T10282: Change Start Up Functionality for Bio from karrad to Steven.

@marcio The new functionality looks good.

Tue, Oct 8, 8:55 AM · Marlin
karrad closed T10204: Bio About Screen - Tool Head Name Update as Resolved.

Now states syringe pump, thanks. Closing down.

Tue, Oct 8, 8:42 AM · Marlin, kangaroo-paw
karrad closed T10280: Add "Bed" to the temperature screen for Bio as Resolved.

@marcio That fix looks great, and should help alleviate any of the confusion reported form TJ. Closing this one out.

Tue, Oct 8, 8:42 AM · Marlin
karrad claimed T10282: Change Start Up Functionality for Bio.
Tue, Oct 8, 8:36 AM · Marlin
karrad claimed T10204: Bio About Screen - Tool Head Name Update.
Tue, Oct 8, 8:34 AM · Marlin, kangaroo-paw
karrad claimed T10280: Add "Bed" to the temperature screen for Bio.
Tue, Oct 8, 8:34 AM · Marlin
karrad added a comment to T8628: TAZ Pro - Menu Timeout.

@matth 2.0.0.170 is currently on devel, can you give it a shot and let us know what you think?

Tue, Oct 8, 8:34 AM · Marlin, Quiver
karrad added a comment to T10281: LCD Color Scheme.

@Greggb New firmware with color scheme is available, you can find it here: http://devel.lulzbot.com/software/Marlin/2.0.0.170/Marlin_Bio_SingleExtruder_2.0.0.170_6140f9ca1.hex

Tue, Oct 8, 8:32 AM · Marlin
kent added a comment to T10008: Poll Y axis circuit to check that it is plugged in before auto calibration sequence.

The thermistor circuit might be the only one in the harness that could be checked. This means that this fix would depend on the user forgetting all the y axis connectors, or none of them.

Tue, Oct 8, 7:58 AM · Quiver, Redgum, Marlin
alexei assigned T10248: Changing Error message for probe failure to marcio.
Tue, Oct 8, 7:10 AM · Marlin

Mon, Oct 7

anolen added a comment to T9858: PLA Stringing.

@karrad and @alexei, Changes have been pushed and are ready to be merged into cura

Mon, Oct 7, 3:56 PM · Marlin, Cura LulzBot Edition, Redgum
marcio closed T10008: Poll Y axis circuit to check that it is plugged in before auto calibration sequence as Wontfix.

The firmware cannot check whether the connectors are plugged in. An unplugged connector, from the firmware's perspective, is no different than a nozzle which isn't touching the cube.

Mon, Oct 7, 2:18 PM · Quiver, Redgum, Marlin
marcio closed T10263: Bio MAX Bed Temp as Invalid.

The config is here:

Mon, Oct 7, 2:13 PM · kangaroo-paw, Marlin
anolen added a comment to T9858: PLA Stringing.

Here are completed importable profiles, please make sure it is being imported into a 3.6.20 or newer version of Cura.

Mon, Oct 7, 2:09 PM · Marlin, Cura LulzBot Edition, Redgum