First layer starting too high

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teehax
Posts: 6
Joined: Sat Sep 23, 2017 1:03 am

First layer starting too high

Post by teehax » Thu Nov 07, 2019 3:57 pm

Hi,

My lulzbot mini seems to be starting the first layer too high (see picture). The leveling start sequence appears to behave correctly, but then it doesn't actually deposit the first layer close enough to the bed.

Any help would be wonderful :)

I included a FAQ about what this issue so far below.

Thanks,
Topher

Observations/notes:
* leveling sequence appears to be behaving correctly. The head cleans itself, double touches all four corners.
* Yes, I changed the cleaning pad
* I disabled the z-offset plugin in cura
* M851 Z-Offset is currently -1.28 (see below)

Send: M851
Recv: echo:Z Offset : -1.28
Attachments
IMG_4574.jpg
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Lulzbot Mini

teehax
Posts: 6
Joined: Sat Sep 23, 2017 1:03 am

Re: First layer starting too high

Post by teehax » Thu Nov 07, 2019 5:58 pm

Here's my EEPROM and Firmware Info:

Send: M501
Recv: echo:V23 stored settings retrieved (396 bytes)
Recv: echo:Steps per unit:
Recv: echo: M92 X100.50 Y100.50 Z1600.00 E833.00
Recv: echo:Maximum feedrates (mm/s):
Recv: echo: M203 X800.00 Y800.00 Z8.00 E40.00
Recv: echo:Maximum Acceleration (mm/s2):
Recv: echo: M201 X9000 Y9000 Z100 E1000
Recv: echo:Accelerations: P=printing, R=retract and T=travel
Recv: echo: M204 P2000.00 R3000.00 T2000.00
Recv: echo:Advanced variables: S=Min feedrate (mm/s), T=Min travel feedrate (mm/s), B=minimum segment time (ms), X=maximum XY jerk (mm/s), Z=maximum Z jerk (mm/s), E=maximum E jerk (mm/s)
Recv: echo: M205 S0.00 T0.00 B20000 X12.00 Z0.40 E10.00
Recv: echo:Home offset (mm):
Recv: echo: M206 X0.00 Y0.00 Z0.00
Recv: echo:PID settings:
Recv: echo: M301 P28.79 I1.91 D108.51 C100.00 L20
Recv: echo: M304 P294.00 I65.00 D382.00
Recv: echo:Filament settings: Disabled
Recv: echo: M200 D3.00
Recv: echo: M200 D0
Recv: echo:Z-Probe Offset (mm):
Recv: echo: M851 Z-1.28
Recv: ok
[...]
Send: M115
[...]
Recv: FIRMWARE_NAME:Marlin 1.1.0.11 (Aleph Objects Inc.'s Phabricator) SOURCE_CODE_URL:https://code.alephobjects.com/diffusion/MARLIN PROTOCOL_VERSION:1.0 MACHINE_TYPE:LulzBot Mini EXTRUDER_COUNT:1 UUID:351487b6-ca9a-4c1a-8765-d668b1da6585
Recv: ok
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Lulzbot Mini

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