XYZ Printing da Vinci Pro EVO User Manual page 23

When calibration fails, please check the installation of print head to confirm whether the
flat cable is installed stably and whether the print head touches the print bed when the
bed drops to the low point.
3-2. Print Head：
(1) Cleaning the print head
* Please upload the filament before cleaning the feed path.
When cleaning the print head, the preset temperature value will be displayed according
to the installed extruder module.
Users may adjust the heating temperature according to the filament used. Wait for the
print head to be heated to the cleaning temperature before cleaning.
(General extruder module can set within the temperature range of 190-260℃; optional
high-temperature extruder module can set within the temperature range of 250-300℃)
(a) Insert the feeding path cleaning wire into the feed hole, and push the filament out
from the nozzle (It is recommended to carry out the operation from the top of the
printer).
(b) Clean the head with a nozzle cleaning wire: Please clamp the nozzle cleaning wire
with needle-nosed pliers to insert it into the opening of the nozzle carefully for
cleaning.
(c) When cleaning is complete, press DONE.
(2) Change Module
Please make sure that there is no filament in the extruder module.
Wait for the extruder module to move to the position before replacing the module.
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