Print Not Sticking to Bed
If you are experiencing problems with the plastic not adhering to your print bed, there are a few things that can be done;
Clean the build plate
After some time, the build plate adhesion can become unsticky and plastic will no longer be able to stick to it. Resurface this by grabbing some isopropyl alcohol and giving it a good wipe down. Afterwards re-applying the provided glue stick or other adhesion type. .
Using a raft
Make sure to use a raft on all of your parts when preparing your print. This will allow a bigger surface area of plastic to stick to the bed, and can compensate for a small amount of unlevel bed.
Lower fan speed
If your prints are still curling after the above solutions are attempted, you can try lowering your fan speed to stop the plastic from cooling too fast and shrinking, causing warping. To do this go into your desktop software. Under the settings> speed> fan speed and turn this setting down to 30%.
First Layer Height and Width
Set your first layer height to 0.3mm. This will allow more plastic to flow out of your nozzle, allowing a better adhesion to your print bed. You can also try making your first layer width of plastic higher. Usually a first layer width of 1mm is optimal - this will extrude more plastic at a lower layer height to allow more surface area of plastic bind to the print bed.
Printing with ABS plastic
ABS plastic is much more temperamental as far as cooling goes than other types of plastic. This is where you will see the most warping issues. Try not to use the print cooling fan for this material. You can set this to be turned off in an ABS preset.
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