Start print before chamber is heated to nominal temperature
 
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Bastian
(@bastian-2)
Trusted Member
Start print before chamber is heated to nominal temperature

Hello,

i've upgrades my MK4S this weekend to a Core One. Worked well - no issues so far.

But i've a question to the chamber heat function. I print PETG with Prusament, which tries to heat the chamber to 35° before the print starts. I can skip this step by pushing a button on the touchscreen.

For short prints, this is not needed (in my opinion - worked with MK4s without the chamber with no problems). So i thought, i could change the settings for this in the filament profile.

There's under "Filament" the Point "Chamber", set to "Nominal" and 35°. Minimal was set to 0°.

The help-text of this values:
- Nominal: Required chamber temperature for the print
- Minimal: Minimal chamber temperature that the printer waits for before the print starts. This allows to start the print before the nominal chamber temperature is reached.

So i changed the "Minimal" temp to 25° (actual room temperature). I thought, the printer would wait till 25° are reached, then starts the print. If 35° are reached, the chamber fans starts spinning.

But that's not the case; i still have to skip the "absorbing heat"-Message on the Touchscreen, before the print starts.

Did i missunderstood something, or is there another way to reach what i want to do?

Thanks in advance,

Bastian

Opublikowany : 31/05/2025 6:27 pm
Raaz
 Raaz
(@raaz-2)
Reputable Member
RE:

You did everything correctly regarding minimum and nominal chamber temperature. Absorbing heat is not just waiting for temperatures, it's meant to get the whole printer up to "working-temperature" to not cause slight inaccuracies.

However, I'm totally with you: it's way too long in most cases! It's a simple G-Code command and I think it's an algorithm in the firmware for the duration..

You can disable the G-Code command in the Start G-Code though. 

Opublikowany : 31/05/2025 7:25 pm
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