CURA 3.6 and Marlin 1.1.9 starts print 5mm above the bed

First off, I do not know if this is a Marlin issue or a CURA issue. It may be some interaction.

I just updated my delta printer from a VERY old version of Marlin to 1.1.9. I am using CURA 3.6 with both the older version of Marlin and the newer one.
After updating to Marlin 1.1.9 I used Pronterface to level the bed and check Z height (I manually level and have EEPROM disabled).
Everything looked fine.
I then used CURA 3.6 to fire off a print through Octoprint. My CURA settings have the first layer set to 0.18mm.
I have changed nothing in CURA nor Octoprint between the time when I used CURA to do this print with both the older firmware and the newer firmware.
The hot end dropped to about 5mm off of the bed and started printing. Not optimal.
I have checked my CURA settings, the Z offset is 0.0.
I modified no Marlin configuration.h calibration options for bed leveling or calibrations - and note that Pronterface correctly followed G0 commands to go to 0.2mm.

I have attached my gcode file as well as my configuration.h file. Any insight that anyone has is appreciated. This is a puzzler. I have installed Marlin 1.1.8 in several other printers, both delta and bed slingers without this happening before.

Thanks,

DLC

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Kits: Folgertech Kossel 2020 upgraded E3Dv6, Anet A8 upgraded E3Dv6, Tevo Tarantula enhanced parts and dual-head, TronXY X5SA Pro(E3DHemera).
Scratch: Large bed Cartesian, exchangeable heads, Linear slide Delta, Maker-Beam XL Micro Delta, 220x220CoreXY.

After Upgrading firmware the old values remain in memory unless you send a M502 : restore Factory Defaults and Send a M500 Store Settings.

Another point of interests Marlin 1.1.9 has a problems you should actually be using Marlin 1.1.9 BF.

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Computer Programmer / Electronics Technician

I found the problem. I left USE_ZMIN_PLUG defined. For some reason that added an offset to the first layer.

Hmm. I'll look into the 1.1.9BF. I have not used 1.1.9 enough to see the bugs.
What does the BF release fix? I didn't see any release notes in github.

thanks,
DLC

Edited 1 time(s). Last edit at 05/15/2019 06:17PM by dlc60.

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Kits: Folgertech Kossel 2020 upgraded E3Dv6, Anet A8 upgraded E3Dv6, Tevo Tarantula enhanced parts and dual-head, TronXY X5SA Pro(E3DHemera).
Scratch: Large bed Cartesian, exchangeable heads, Linear slide Delta, Maker-Beam XL Micro Delta, 220x220CoreXY.

Quote
dlc60
I found the problem. I left USE_ZMIN_PLUG defined. For some reason that added an offset to the first layer.

Hmm. I'll look into the 1.1.9BF. I have not used 1.1.9 enough to see the bugs.
What does the BF release fix? I didn't see any release notes in github.

thanks,
DLC

I had my first unexplained 1.1.9 failure (after correcting the configuration.h setting), a thermal runaway shutdown.
So since what I really wanted was a version that supported "baby stepping"...
I have had great luck with 1.1.8 on one other delta and 3 other Cartesian printers, I think that I'll move to that version, see how it goes and look forward to the 2.0 stuff to firm up.

DLC

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Kits: Folgertech Kossel 2020 upgraded E3Dv6, Anet A8 upgraded E3Dv6, Tevo Tarantula enhanced parts and dual-head, TronXY X5SA Pro(E3DHemera).
Scratch: Large bed Cartesian, exchangeable heads, Linear slide Delta, Maker-Beam XL Micro Delta, 220x220CoreXY.

I had used Marlin 1.1.9BF for quite a long time an never had any problems.
I upgraded to Marlin 2.0.0 several months ago, have never had any problems with this firmware on my Prusa i3 compatible 3D Printer.
This is an ABS print and assembly I just finished for the MPCNC.

XY_C_Burly20
[drive.google.com]



Edited 2 time(s). Last edit at 05/16/2019 07:59PM by Roberts_Clif.

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Computer Programmer / Electronics Technician

Quote
Roberts_Clif
I had used Marlin 1.1.9BF for quite a long time an never had any problems.
I upgraded to Marlin 2.0.0 several months ago, have never had any problems with this firmware on my Prusa i3 compatible 3D Printer.
This is an ABS print and assembly I just finished for the MPCNC.

XY_C_Burly20
[drive.google.com]

[attachment 111371 MiddleAssembly.jpg]

That's encouraging!

Thanks,
DLC

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Kits: Folgertech Kossel 2020 upgraded E3Dv6, Anet A8 upgraded E3Dv6, Tevo Tarantula enhanced parts and dual-head, TronXY X5SA Pro(E3DHemera).
Scratch: Large bed Cartesian, exchangeable heads, Linear slide Delta, Maker-Beam XL Micro Delta, 220x220CoreXY.

Quote
Roberts_Clif
I had used Marlin 1.1.9BF for quite a long time an never had any problems.
I upgraded to Marlin 2.0.0 several months ago, have never had any problems with this firmware on my Prusa i3 compatible 3D Printer.
This is an ABS print and assembly I just finished for the MPCNC.

XY_C_Burly20
[drive.google.com]

[attachment 111371 MiddleAssembly.jpg]

Interesting piece, is there a place with more info about that part and the mpcnc in general?

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http://www.marinusdebeer.nl/

Posted Here

[reprap.org]

I was merely showing how well a 3D Printer can Print if placed in an enclosure, and well maintained.

Edited 3 time(s). Last edit at 05/18/2019 09:44AM by Roberts_Clif.

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Computer Programmer / Electronics Technician