Duet WiFi with E3V6 dragging on plate

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Char'les Grey
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Duet WiFi with E3V6 dragging on plate

Postby Char'les Grey » Mon Dec 04, 2017 9:37 pm

Alright, so I'm going neurotic because I can't figure this out, after bed level and auto bed compensation runs on the duetwifi, the printer head just slightly drags across the print bed, I can "Z Baby step" it up, but I'd prefer to address the issue. I feel like, I know I'm missing something simple that I'm not doing or missed something.

Rostock maxv3
upgrades:
fsr leveling
e3dv6 print head
aluminum heat spreader
deutwifi

Code: Select all

; Configuration file for SeeMeCNC Rostock MAX V3

; Communication and general
M111 S0                                ; Debug off
M550 PSeeMeCNCRostockMAXV3      ; Machine name and Netbios name (can be anything you like)
M551 Preprap                           ; Machine password (used for FTP)
;*** If you have more than one Duet on your network, they must all have different MAC addresses, so change the last digits

;*** Wifi Networking
M552 S1               ; Enable WiFi

M555 P2                              ; Set output to look like Marlin
M575 P1 B57600 S1         ; Comms parameters for PanelDue

G21                                    ; Work in millimeters
G90                                   ; Send absolute coordinates...
M83                                    ; ...but relative extruder moves

; Axis and motor configuration
M569 P0 S1            ; Drive 0 goes forwards
M569 P1 S1            ; Drive 1 goes forwards
M569 P2 S1            ; Drive 2 goes forwards
M569 P3 S1            ; Drive 3 goes forwards M569 P3 S0
M569 P4 S0            ; Drive 4 goes forwards
M574 X2 Y2 Z2 S1         ; set endstop configuration (all endstops at high end, active high)
;*** The homed height is deliberately set too high in the following - you will adjust it during calibration
M665 R144.158 L291.06 B120 H386.065 X0 Y0 Z0      ; set delta radius, diagonal rod length, printable radius and homed height M665 R144.158 L291.06 B120 H415 X0 Y0 Z0
M666 X0 Y0 Z0            ; put your endstop adjustments here, or let auto calibration find them
M350 X16 Y16 E16 I1             ; Set 16x microstepping with interpolation
M92 X80 Y80 Z80            ; Set axis steps/mm
M906 X1000 Y1000 Z1000 E800 I60      ; Set motor currents (mA) and increase idle current to 60%
M201 X1000 Y1000 Z1000 E1000      ; Accelerations (mm/s^2)
M203 X20000 Y20000 Z20000 E3600      ; Maximum speeds (mm/min)
M566 X1200 Y1200 Z1200 E1200      ; Maximum instant speed changes mm/minute

; Thermistors
M305 P0 T100000 B3950 R4700 H30 L0   ; Put your own H and/or L values here to set the bed thermistor ADC correction
M305 P1 T100000 B4725K R4700 H30 C7.06e-8 L0   ; Put your own H and/or L values here to set the first nozzle thermistor ADC correction
;M305 P2 T100000 B3974 R4700 H30 L0   ; Put your own H and/or L values here to set the second nozzle thermistor ADC correction
M570 S180            ; Hot end may be a little slow to heat up so allow it 180 seconds

; Fans
M106 P1 H-1             ; disable thermostatic mode for fan 1

; Tool definitions
M563 P0 D0 H1                          ; Define tool 0
G10 P0 S0 R0                           ; Set tool 0 operating and standby temperatures
;*** If you have a single-nozzle build, comment the next 2 lines
;M563 P1 D1 H2                         ; Define tool 1
;G10 P1 S0 R0                          ; Set tool 1 operating and standby temperatures
M92 E92.45                          ; Set extruder steps per mm M92 E92.4:92.4 M92 E92.8 E92.4

; Z probe and compensation definition
M558 P4 X0 Y0 Z1 H5 F1200 T5000 I0   ; added I1, P5 to P4 , M558 P4 X0 Y0 Z1 H5 F1200 T2400   I1

; grid compensation
M557 R110 S20

G31 X0 Y0 Z-.43         ; Set the zprobe offset and threshold (determine your printer's Z offset value). For a delta, use zero X and Y offset, G31 X0 Y0 Z-.05 P20         

;*** If you are using axis compensation, put the figures in the following command
M556 S78 X0 Y0 Z0                      ; Axis compensation here

T0                  ; select first hot end

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Re: Duet WiFi with E3V6 dragging on plate

Postby IMBoring25 » Mon Dec 04, 2017 11:02 pm

Dragging lightly across the build plate sounds perfect if you're at Z=0. Other than the probing, a real print will never command the nozzle closer to the bed than the first-layer height.

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pouncingiguana
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Re: Duet WiFi with E3V6 dragging on plate

Postby pouncingiguana » Tue Dec 05, 2017 7:26 am

Tweak you're Z probe offset and re-probe. I'd start with knocking .1 off of your current value and go from there. Change your G31 line in your config.g to:

G31 X0 Y0 Z-.53

Run that, then G32, then see if it's still dragging.

Char'les Grey
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Re: Duet WiFi with E3V6 dragging on plate

Postby Char'les Grey » Tue Dec 05, 2017 12:24 pm

Thanks, I'll try that at lunch or when I get home tonight and update.

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Re: Duet WiFi with E3V6 dragging on plate

Postby Char'les Grey » Tue Dec 05, 2017 10:00 pm

I changed it to z-.53, no change, then -.75, and then -1.5, no change, seems to continue.... thoughts?

update: changed it to -5.0 and nothing changed...

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Re: Duet WiFi with E3V6 dragging on plate

Postby dc42 » Wed Dec 06, 2017 2:28 am

It sounds like you are doing something at the start of the print that is resetting the Z=0 position. What is the sequence you are using to calibrate and print, and what is your slicer start script?

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Re: Duet WiFi with E3V6 dragging on plate

Postby Char'les Grey » Thu Dec 07, 2017 12:51 am

dc42 wrote:It sounds like you are doing something at the start of the print that is resetting the Z=0 position. What is the sequence you are using to calibrate and print, and what is your slicer start script?


I use kisslicer, where would I find that info?

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Re: Duet WiFi with E3V6 dragging on plate

Postby Khayrisill » Thu Dec 07, 2017 3:51 pm

Hello Char'les Grey,

Looks like you have something wrong in the config-override.g and to process config-override,.g at startup, you need a M501 command at the very end of config.g; or if you have a T0 command at the end of config,g then put it, right before the T0 line.

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Re: Duet WiFi with E3V6 dragging on plate

Postby Char'les Grey » Thu Dec 07, 2017 9:33 pm

Khayrisill wrote:Hello Char'les Grey,

Looks like you have something wrong in the config-override.g and to process config-override,.g at startup, you need a M501 command at the very end of config.g; or if you have a T0 command at the end of config,g then put it, right before the T0 line.



Added M501 before T0, still the same effect.

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Re: Duet WiFi with E3V6 dragging on plate

Postby dc42 » Fri Dec 08, 2017 4:18 am

Is there also a G31 command in config-override.g ?

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Re: Duet WiFi with E3V6 dragging on plate

Postby Char'les Grey » Fri Dec 08, 2017 2:15 pm

I don't see a config override file....

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Re: Duet WiFi with E3V6 dragging on plate

Postby dc42 » Fri Dec 08, 2017 5:16 pm

We recently found that the M109 command can cause unwanted position changes in some situations. If that's the cause of your issue, here are some workarounds:

- Don't use M109, use M104 or G10 to set the temperature followed by M116 to wait for it to be reached
- Deselect the tool before the M109 command (the M109 command will reselect it)
- Upgrade to firmware 1.20RC1

HTH David

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Re: Duet WiFi with E3V6 dragging on plate

Postby Char'les Grey » Sun Dec 10, 2017 7:53 pm

Alright, so I commented out M558, did G32, adjusted the G31 Z height (still working on perfect height) but everything seems to be working well. Well enough to print the bondtech extrusion holder. What settings does everyone use for destring in KISSlicer?

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Re: Duet WiFi with E3V6 dragging on plate

Postby knabo » Thu Jan 04, 2018 1:14 pm

This is probably not a problem, but in your config.g file, the M350 command for setting microstepping is missing the Z motor.

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thingismith
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Re: Duet WiFi with E3V6 dragging on plate

Postby thingismith » Thu Jan 04, 2018 3:26 pm

I just wanted to thank the OP for bringing this up...I've been running auto leveling and then decreasing the overall Z height for a decent first layer height. Not the most efficient, but it worked.

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Re: Duet WiFi with E3V6 dragging on plate

Postby thingismith » Sat Jan 13, 2018 3:37 pm

I decided I was going to try to set my printer up right using the G31 Z height, but I'm still having issues. I commented out the M558 like the OP suggested, but still having problems. Since I use S3D and don't know how to change it so it doesn't use the M109 command, (or know if it even uses it), I updated my firmware Duetwifiserver and webcontrol to the latest (1.20), and double-checked with M115, still no dice. I've been testing with G31 X0 Y0 Z-3.6 P500 so the effect could be easily seen. There is no config-override.g. See my config.g below.

Code: Select all

; Configuration file for SeeMeCNC Rostock MAX V2

; Communication and general
M111 S0                                ; Debug off
M550 PRandy MaxV2         ; Machine name and Netbios name (can be anything you like)
M551 Preprap                           ; Machine password (used for FTP)
;*** If you have more than one Duet on your network, they must all have different MAC addresses, so change the last digits
M540 P0xBE:0xEF:0xDE:0xAD:0xFE:0xEA    ; MAC Address
;*** Wifi Networking
M552 S1             ; Enable WiFi
;M554 P192.168.1.201
;M553 P255.255.255.0


M555 P2                              ; Set output to look like Marlin
M575 P1 B57600 S1         ; Comms parameters for PanelDue

G21                                    ; Work in millimeters
G90                                   ; Send absolute coordinates...
M83                                    ; ...but relative extruder moves

; Axis and motor configuration
M569 P0 S1            ; Drive 0 goes forwards
M569 P1 S0            ; Drive 1 goes forwards
M569 P2 S1            ; Drive 2 goes forwards
M569 P3 S0            ; Drive 3 goes forwards
M569 P4 S1            ; Drive 4 goes forwards
M574 X2 Y2 Z2 S1         ; set endstop configuration (all endstops at high end, active high)
;*** The homed height is deliberately set too high in the following - you will adjust it during calibration
M665 R138.587 L300.15 B145.0 H358.144 X-0.470 Y-0.380 Z0   ; set delta radius, diagonal rod length, printable radius and homed height
M666 X0.15 Y0.36 Z-0.52   ; put your endstop adjustments here, or let auto calibration find them
M350 X16 Y16 Z16 E16 I1             ; Set 16x microstepping with interpolation
M92 X80 Y80 Z80            ; Set axis steps/mm
M906 X1000 Y1000 Z1000 E800 I60      ; Set motor currents (mA) and increase idle current to 60%
M201 X1000 Y1000 Z1000 E1000      ; Accelerations (mm/s^2)
M203 X20000 Y20000 Z20000 E3600      ; Maximum speeds (mm/min)
M566 X800 Y800 Z800 E1200      ; Maximum instant speed changes mm/minute

; Thermistors
M305 P0 T100000 B3950 R4700 H30 L0   ; Put your own H and/or L values here to set the bed thermistor ADC correction
M305 P1 T100000 B4388 R4700 H30 L0   ; Put your own H and/or L values here to set the first nozzle thermistor ADC correction
;M305 P2 T100000 B4388 R4700 H30 L0   ; Put your own H and/or L values here to set the second nozzle thermistor ADC correction
M301 H1 P25.8 I0.116 D72.3 T1.0 S1.0
M570 S180            ; Hot end may be a little slow to heat up so allow it 180 seconds

; Fans
M106 P1 T45 S255 H1             ; disable thermostatic mode for fan 1
M106 P2 H-1
M106 P3 H-1

; Tool definitions
M563 P0 D0 H1 F0                          ; Define tool 0
G10 P0 S0 R0                           ; Set tool 0 operating and standby temperatures
;*** If you have a single-nozzle build, comment the next 2 lines
;M563 P1 D1 H2                         ; Define tool 1
;G10 P1 S0 R0                          ; Set tool 1 operating and standby temperatures
M92 E1025:1025                         ; Set extruder steps per mm

; Z probe and compensation definition
;*** If you have an IR zprobe instead of a switch, change P4 to P1 in the following M558 command
;M558 P5 X0 Y0 Z0         ; Z probe is a switch and is not used for homing any axes
G31 X0 Y0 Z-3.6 P500     ; Set the zprobe height and threshold (put your own values here, Set the zprobe offset and threshold (determine your printer's Z offset value). For a delta, use zero X and Y offset.

;*** If you are using axis compensation, put the figures in the following command
M556 S78 X0 Y0 Z0                      ; Axis compensation here

T0                  ; select first hot end

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Re: Duet WiFi with E3V6 dragging on plate

Postby dc42 » Sun Jan 14, 2018 4:02 am

I don't understand why you have commented out the M558 command. If you are using Z probing at all then you must have it to tell the firmware the characteristics of your Z probe.

To get the first layer height just right:

1. Most users of delta printers with Duet electronics run auto calibration after homing. If you do this, then adjust the G31 Z parameter as has already been described. Higher (more positive) values will move the head closer to the bed, and vice versa. DO NOT re-home the printer after auto calibration, because if you do so then the height information will be lost. So either don't use a G28 home all command in your slicer start gcode, or if you do then do a G31 after it to auto calibrate - or at least a G30 probe at the centre of the bed to reset the Z height using the Z probe.

2. If you don't want to auto calibrate before printing, or you want to re-home the printer before printing but not auto calibrate or do a G30 afterwards, then the setting you need to adjust is the H parameter in the M665 command. Again, higher values will move the head closer to the bed.

In both cases, be aware that if you are using a config-override.g file and M501 in your config.g file, then any G31 or M665 commands in config-override.g will override the ones in config.g.

HTH David
Last edited by dc42 on Mon Feb 19, 2018 3:07 am, edited 2 times in total.

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thingismith
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Re: Duet WiFi with E3V6 dragging on plate

Postby thingismith » Sun Feb 18, 2018 7:54 pm

I decided I wanted to run an auto-configure before my prints, but I still can't get the first layer to print at the correct height! Altering the G31 Z-offset is not making a difference! I even set it to -2 (there's no override if the amount is too great, right?). Can someone look over my codes, see if they can find the error?

My config:

Code: Select all

; Configuration file for SeeMeCNC Rostock MAX V2

; Communication and general
M111 S0                                ; Debug off
M550 PRandy MaxV2         ; Machine name and Netbios name (can be anything you like)
M551 Preprap                           ; Machine password (used for FTP)
;*** If you have more than one Duet on your network, they must all have different MAC addresses, so change the last digits
M540 P0xBE:0xEF:0xDE:0xAD:0xFE:0xEA    ; MAC Address
;*** Wifi Networking
M552 S1             ; Enable WiFi
;M554 P192.168.1.201
;M553 P255.255.255.0


M555 P2                              ; Set output to look like Marlin
M575 P1 B57600 S1         ; Comms parameters for PanelDue

G21                                    ; Work in millimeters
G90                                   ; Send absolute coordinates...
M83                                    ; ...but relative extruder moves

; Axis and motor configuration
M569 P0 S1            ; Drive 0 goes forwards
M569 P1 S0            ; Drive 1 goes forwards
M569 P2 S1            ; Drive 2 goes forwards
M569 P3 S0            ; Drive 3 goes forwards
M569 P4 S1            ; Drive 4 goes forwards
M574 X2 Y2 Z2 S1         ; set endstop configuration (all endstops at high end, active high)
;*** The homed height is deliberately set too high in the following - you will adjust it during calibration
M665 R138.587 L300.15 B145.0 H357.418 X-0.470 Y-0.380 Z0   ; set delta radius, diagonal rod length, printable radius and homed height
M666 X0.15 Y0.36 Z-0.52   ; put your endstop adjustments here, or let auto calibration find them
M350 X16 Y16 Z16 E16 I1             ; Set 16x microstepping with interpolation
M92 X80 Y80 Z80            ; Set axis steps/mm
M906 X1000 Y1000 Z1000 E800 I60      ; Set motor currents (mA) and increase idle current to 60%
M201 X1000 Y1000 Z1000 E1000      ; Accelerations (mm/s^2)
M203 X20000 Y20000 Z20000 E3600      ; Maximum speeds (mm/min)
M566 X800 Y800 Z800 E1200      ; Maximum instant speed changes mm/minute

; Thermistors
M305 P0 T100000 B3950 R4700 H30 L0   ; Put your own H and/or L values here to set the bed thermistor ADC correction
M305 P1 T100000 B4388 R4700 H30 L0   ; Put your own H and/or L values here to set the first nozzle thermistor ADC correction
;M305 P2 T100000 B4388 R4700 H30 L0   ; Put your own H and/or L values here to set the second nozzle thermistor ADC correction
M301 H1 P25.8 I0.116 D72.3 T1.0 S1.0
M570 S180            ; Hot end may be a little slow to heat up so allow it 180 seconds

; Fans
M106 P1 T45 S255 H1             ; disable thermostatic mode for fan 1
M106 P2 H-1
M106 P3 H-1

; Tool definitions
M563 P0 D0 H1 F0                          ; Define tool 0
G10 P0 S0 R0                           ; Set tool 0 operating and standby temperatures
;*** If you have a single-nozzle build, comment the next 2 lines
;M563 P1 D1 H2                         ; Define tool 1
;G10 P1 S0 R0                          ; Set tool 1 operating and standby temperatures
M92 E1025:1025                         ; Set extruder steps per mm

; Z probe and compensation definition
;*** If you have an IR zprobe instead of a switch, change P4 to P1 in the following M558 command
M558 P5 X0 Y0 Z0 F800 H3         ; Z probe is a switch and is not used for homing any axes
G31 X0 Y0 Z-2 P500     ; Set the zprobe height and threshold (put your own values here, Set the zprobe offset and threshold (determine your printer's Z offset value). For a delta, use zero X and Y offset.

;*** If you are using axis compensation, put the figures in the following command
M556 S78 X0 Y0 Z0                      ; Axis compensation here
M501                                    ; To use config override for auto calibration
T0                  ; select first hot end


Here is my starting script in S3D:

Code: Select all

G28 ; home all axes
G32 ; Auto Calibrate
M500 ; create config-override

As I mentioned before, I had upgraded my firmware to 1.20, so the M109 problem shouldn't be an issue.

I can set the Z-offset in S3D, so I am still able to run the auto-config pre-print, but I'd still like to be able to get it to work the right way.

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Re: Duet WiFi with E3V6 dragging on plate

Postby dc42 » Mon Feb 19, 2018 3:09 am

I suggest you check your config-override.g file again for G31 commands.

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Re: Duet WiFi with E3V6 dragging on plate

Postby thingismith » Mon Feb 19, 2018 12:45 pm

No G31

Code: Select all

; This is a system-generated file - do not edit
; Delta parameters
M665 L300.150 R139.057 H358.546 B145.0 X-0.825 Y-0.177 Z0.000
M666 X-0.055 Y0.211 Z-0.156 A0.00 B0.00
; Heater model parameters
M307 H0 A90.0 C700.0 D10.0 S1.00 V0.0 B1
M307 H1 A340.0 C140.0 D5.5 S1.00 V0.0 B0
M301 H1 P25.8 I0.116 D72.3
M307 H2 A340.0 C140.0 D5.5 S1.00 V0.0 B0
M307 H3 A340.0 C140.0 D5.5 S1.00 V0.0 B0
M307 H4 A340.0 C140.0 D5.5 S1.00 V0.0 B0
M307 H5 A340.0 C140.0 D5.5 S1.00 V0.0 B0
M307 H6 A340.0 C140.0 D5.5 S1.00 V0.0 B0
M307 H7 A340.0 C140.0 D5.5 S1.00 V0.0 B0

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Re: Duet WiFi with E3V6 dragging on plate

Postby dc42 » Mon Feb 19, 2018 5:44 pm

Are you sure that the G32 auto calibration command is succeeding? Check the GCode Console page of DWC for a success or failure message.

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Re: Duet WiFi with E3V6 dragging on plate

Postby thingismith » Tue Feb 20, 2018 2:39 pm

I retried it again using Z-.4 , which was determined using the S3D workaround. I'm still dragging on the plate. I checked the console, this is what I got:

Calibrated 6 factors using 16 points, deviation before 0.057 after 0.037

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Re: Duet WiFi with E3V6 dragging on plate

Postby dc42 » Wed Feb 21, 2018 3:21 am

What do you have in your bed.g file?

If you vary the G31 Z parameter, you should see the live M665 H parameter change accordingly after calibration. Does it?

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Re: Duet WiFi with E3V6 dragging on plate

Postby thingismith » Wed Feb 21, 2018 5:35 pm

My bed.g:

Code: Select all

; Auto calibration routine for SeeMeCNC Rostock MAX V2
;
; About the G30 S parameter
; Used to specify what calibration computation to perform.
;
; S=-1 Don't adjust anything, just print the height error at each probe point
; S=0 Equivalent to S=<number_of_points_probed>
; S=3 Adjust homing switch corrections only
; S=4 Adjust homing switch corrections and delta radius
; S=6 Adjust homing switch corrections, delta radius, and X and Y tower position offsets
; S=7 Adjust homing switch corrections, delta radius, X and Y tower position offsets, and diagonal rod length

M561                  ; clear any bed transform, otherwise homing may be at the wrong height
G31 X0 Y0 Z-1.5               ; don't want any probe offset for this
M558 P3                  ; drive mod pin on Probe Z connector LOW
G28                  ; home the printer

;*** Remove the following line if your Z probe does not need to be deployed
;M98 Pdeployprobe.g    ; deploy the mechanical Z probe

; The first time the mechanical probe is used after deployment, it gives slightly different results.
; So do an extra dummy probe here. The value stored gets overwritten later. You can remove this if you use an IR probe.

M401
; 16 points, 6 factors, probing radius: 85, probe offset (0, 0)
G30 P0 X0.00 Y85.00 Z-99999 H0
G30 P1 X42.50 Y73.61 Z-99999 H0.05
G30 P2 X73.61 Y42.50 Z-99999 H-0.05
G30 P3 X85.00 Y0.00 Z-99999 H0
G30 P4 X73.61 Y-42.50 Z-99999 H0.1
G30 P5 X42.50 Y-73.61 Z-99999 H0.05
G30 P6 X0.00 Y-85.00 Z-99999 H-0.1
G30 P7 X-42.50 Y-73.61 Z-99999 H-0.1
G30 P8 X-73.61 Y-42.50 Z-99999 H0.05
G30 P9 X-85.00 Y-0.00 Z-99999 H0.05
G30 P10 X-73.61 Y42.50 Z-99999 H-0.1
G30 P11 X-42.50 Y73.61 Z-99999 H-0.05
G30 P12 X0.00 Y42.50 Z-99999 H-0.1
G30 P13 X36.81 Y-21.25 Z-99999 H-0.05
G30 P14 X-36.81 Y-21.25 Z-99999 H0
G30 P15 X0 Y0 Z-99999 S6
M402


;*** Remove the following line if your Z probe does not need to be retracted
;M98 Pretractprobe.g   ; retract the mechanical Z probe

G1 X0 Y0 Z150 F10000   ; get the head out of the way of the bed


Before running a print, the H was 358.423 (the print prior I had the Z at 0). Post calibration, H was 358.423 with Z at -.4. Thank you for your continued efforts dc, it's much appreciated.

dc42
Printmaster!
Posts: 402
Joined: Mon Mar 07, 2016 10:17 am

Re: Duet WiFi with E3V6 dragging on plate

Postby dc42 » Thu Feb 22, 2018 1:28 am

I suggest you remove the G31 command from bed.g because it will override the value in config.g. Also setting the XY offset to zero hasn't been correct for many firmware versions.


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