80
Service interval: When the print head is cleaned
WITH THE PRINT HEAD COLD, grasp the heater block with your fingers and gently twist it counter-
clockwise. If you see it spin independently of the cold section, that means it’s come loose.
If it is loose:
Remove the 30mm fan and duct from the cold section. The duct is a snap-fit on the fins so you can just
gently and firmly pull it off.
Use your other hand to stabilize the print head and prevent it from rotating while you tighten the hot
section back up. Do not over-tighten as you can bend the thin heat break section; aim for approx. 10-15
in-lbs of torque.
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