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clogging-check versus nozzle heatup

hi,

printing with IDEX, i noticed frequent clogging problems.
this happens when the printer is about to change to a very deep cooled-down head.
(temperature is set very low to avoid any oozing).
the problem i think is in the generated gcode:

; @AreaEnd "Brim" Z0.200 H0.2
; @AreaBegin "Perimeter" Z0.200 H0.2
G92 E0
M107
M104 S160
T1
M106 S255
M109 S210
M140 S70
G1 E-1

i assume the T1 tool change command triggers the clogging check. but this happens before the nozzle is heated up (M109 above).

result is the filament is not moved and the feeder grinds its way into it.

 

Erik Trinkle has reacted to this post.
Erik Trinkle

Dear Alex,

The new 1.1.4. release contains a function which can turn off the standby temperature functionality completely, or you can set the filament's standby temperature a little bit higher.

As you pointed out, the automatic head change procedure of the IDEX interferes with the gcode embedded standby temperature, so you can have only one of the two at this time.

We recorded a ticket in this case, and will deliver a fix in the next release

Best Regards,
András

 

Erik Trinkle has reacted to this post.
Erik Trinkle

I seem to be having this exact same issue, looking forward to a fix!

It is fixed for me on CraftwarePro v1.1.4.84 (using Flow IDEX firmware v1.2.8527).  Thanks!