I have a 14 hour print. Is it ok to shut down for the night and continue in the morning?
It’s a skyline with high-rises. So some building would likely only be partly done.
Thanks.
I wouldn’t. Start it in the morning and check the progress with the camera.
Whilst the printer is designed to resume after a power outage, the longer the time between loss and resume the less likely the model will be able to adhere to the build plate.
This will make it incredibly likely the model will be very susceptible to be knocked during printing and cause at best a layer shift, at worst complete failure.
The power outage/resume is for genuine power outages.
Even if the resume print will not be printed on the bed but only on other filament layers??
I think I understand this question.
If you start the print job and it prints for a couple of hours and prints say 100 of 300 layers, you turn the printer off, I do not mean stop or pause the job.
The printer will cool down, the build plate will cool down, the model will detach from the build plate.
You come back eight hours after and turn the power back on, the printer will ask if you wish to resume the job, you agree.
The printer will heat up, the build plate will heat up, it will likely not grip the model. The print head will resume the tint at layer 101.
The print head will likely hit the model or drag the top surface and because the build plate isn’t gripping the model, it will shift or fall over.
If you were using the power resume due to a true power outage, only minutes would be between the cool down and heat up, the build plate would likely still be griping the model, it means the the model will be stable.
If you don’t trust the print to run while you are asleep, wait until you ca safely monitor the print.
I often leave prints running overnight or entirely unattended. I do this when I trust the build plate is clean, the filaments are full and everything is working normally.
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I do long overnight or ‘away from the house’ pauses fairly often for long prints.
I use the original cool plate mostly to avoid the issue with detachment.
I haven’t tried it yet with the newer supertach plate.
I usually do a pause during a colour change, and then manually turn the print head temp down to 35.
The fan stops at about 49.
I usually leave the machine powered on during long pauses.
For single coloured prints I try to do the pause in a non critical part of the print, plus also I have found you need to manually turn the fans off and back on.
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I have the same issue, as we would hear the printer if printing during night. Therefore I sometimes paused the print - but do NOT turn off the printer. Therefore the heatbed is still heaten. I just reduce the fan speed a little bit. When continuing next morning, it works. But you will definitly see the pause line in your final model.
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Agreed for single colour models - but for multi coloured prints if you pause during a colour change I find that the prints still come out perfect.
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