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If the distance between the nozzle and the platform is too large or too small, please
stop printing and adjust the platform until the distance is appropriate. In most cases, the
printing failure is caused by the platform not being adjusted properly. Therefore, please
debug repeatedly as required to ensure that the platform height has been adjusted to a
better level.
And when printing the first layer, it's best to watch the machine print and make sure
the machine prints properly before leaving.
