Printer not waiting until heated up before starting (Ender 3)
 
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Melton Pieman
(@melton-pieman)
New Member
Printer not waiting until heated up before starting (Ender 3)

Hi

Having suffered Cura 4.1 and the mucked up 4.2 release I decided to try Prusa Slicer 2. What I saw and meddled with on the screen I was impressed. It is much more intuitive than Cura (altough screen view icons would be good).

But here is the problem. I imported my start and end Gcode and Prusaslicer rejected one Gcode variable to push the bed forward after printing - no problem, sorted it with an absolute move. HOWEVER, I have a Bltouch for bed leveling and while Prusaslicer accepted the code it went straight to the bed levelling and did not wait for the hotend and bed to reach first layer temperatures. I know that I can put  M109 S (temperature value) in to force that first but that is not a flexible solution as different filaments need different first layer values. I assume that I could put the M109 in the custom Gcode for each filament (a little more flexible but still awkward), but is there a way to get the hotend to go to the first layer temperature set in filament first layer temperature box?

David

Posted : 07/08/2019 2:59 pm
bobstro
(@bobstro)
Illustrious Member
RE: Printer not waiting until heated up before starting (Ender 3)

The placeholders for Cura and PrusaSlicer are different. You need to convert them between slicers in your startup gcode. For example, Cura uses:

  • First Layer Temperature: {material_print_temperature_layer_0}
  • First Layer Bed Temperature: {material_bed_temperature_layer_0}

PrusaSlicer uses 

  • First Layer Temperature: [first_layer_temperature]
  • First Layer Bed Temperature: [first_layer_bed_temperature]

I've got documented example startup gcode for Cura here and PrusaSlicer here that you can pull the other values from.

 

My notes and disclaimers on 3D printing

and miscellaneous other tech projects
He is intelligent, but not experienced. His pattern indicates two dimensional thinking. -- Spock in Star Trek: The Wrath of Khan

Posted : 07/08/2019 3:08 pm
Melton Pieman
(@melton-pieman)
New Member
Topic starter answered:
RE: Printer not waiting until heated up before starting (Ender 3)

Wow never thought that I would be able to say that I had been sorted out by the Muppet Labs.

Thanks for such a speedy reply. I have looked at your examples and added what I think are the key lines (30 to 34) to my trial start Gcode. Just need to run a print now.

Thanks again David

Posted : 07/08/2019 4:11 pm
Nikolai
(@nikolai)
Noble Member
RE: Printer not waiting until heated up before starting (Ender 3)
Posted by: shearer101

Wow never thought that I would be able to say that I had been sorted out by the Muppet Labs.

Muppet Labs, "where the future is being made today" 😊 

Often linked posts:
Going small with MMU2
Real Multi Material
My prints on Instagram

Posted : 07/08/2019 4:38 pm
bobstro
(@bobstro)
Illustrious Member
RE: Printer not waiting until heated up before starting (Ender 3)
Posted by: nikolai.r

Muppet Labs, "where the future is being made today" 😊 

Solving the problems you don't have today.

My notes and disclaimers on 3D printing

and miscellaneous other tech projects
He is intelligent, but not experienced. His pattern indicates two dimensional thinking. -- Spock in Star Trek: The Wrath of Khan

Posted : 07/08/2019 4:51 pm
Nikolai
(@nikolai)
Noble Member
RE: Printer not waiting until heated up before starting (Ender 3)
Posted by: bobstro
Posted by: nikolai.r

Muppet Labs, "where the future is being made today" 😊 

Solving the problems you don't have today.

I think this slogan is originally from Apple 😉 

Often linked posts:
Going small with MMU2
Real Multi Material
My prints on Instagram

Posted : 07/08/2019 4:54 pm
karl-herbert
(@karl-herbert)
Illustrious Member
RE: Printer not waiting until heated up before starting (Ender 3)

@bobstro

Many thanks for this interesting sites: http://projects.ttlexceeded.com/3d_printing.html

Statt zu klagen, dass wir nicht alles haben, was wir wollen, sollten wir lieber dankbar sein, dass wir nicht alles bekommen, was wir verdienen.

Posted : 22/11/2019 12:42 pm
bobstro
(@bobstro)
Illustrious Member
RE: Printer not waiting until heated up before starting (Ender 3)
Posted by: @karl-herbert

@bobstro

Many thanks for this interesting sites: http://projects.ttlexceeded.com/3d_printing.html

Nice to hear the info is useful. I'm doing some site updates. Let me know if you need anything that's not listed! 

My notes and disclaimers on 3D printing

and miscellaneous other tech projects
He is intelligent, but not experienced. His pattern indicates two dimensional thinking. -- Spock in Star Trek: The Wrath of Khan

Posted : 22/11/2019 2:46 pm
--
 --
(@)
Illustrious Member
RE: Printer not waiting until heated up before starting (Ender 3)
Posted by: @bobstro

Nice to hear the info is useful. I'm doing some site updates. Let me know if you need anything that's not listed! 

An algorithm to turn gold into lead that doesn't use nuclear cores.

Posted : 22/11/2019 9:41 pm
bobstro
(@bobstro)
Illustrious Member
RE: Printer not waiting until heated up before starting (Ender 3)
Posted by: @tim-m30
An algorithm to turn gold into lead that doesn't use nuclear cores.

I've got that working but I'm still working on the gcode to play the happy tune at the end. I hope to get it finished one of these days. Please stand by.

I do think there are easier ways to get lead, but please keep sending your gold in.

My notes and disclaimers on 3D printing

and miscellaneous other tech projects
He is intelligent, but not experienced. His pattern indicates two dimensional thinking. -- Spock in Star Trek: The Wrath of Khan

Posted : 22/11/2019 11:21 pm
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