Application Guide

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3. Replace filament before printing：
（1）Unload previous filament：
The operation steps are the same as ’ 2. Unloading the filament ’；
（2）load the new filament：
The operation steps are the same as’ 1. loading the filament ’；
Common problem during this statement:
① No preheating before unplugging filament: causing filament to break
or damage the extruder.
② pause or release the extruder plunger during pull out the filament
process: the front end of the filament is deformed by the gears and
cannot be pulled out normally.
4.change filament during printing：
（Notice： if the previous filament is shortage, and need to change the new
roll, please make sure the previous filament be unload and then insert
the new filament, not use the new filament to push the previous filament）
Method 1（New marlin）：
（1）select to change filament：