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PCB blower
Check the single fan next to the electronics board by putting your hand on it and checking the force
of air draft. If uneven operation is visible or the blower does not rotate at all, report the need for
replacement to an Authorized Service Center.
Figure 58 PCB blower
Extruder heatsink fans
One piece on the extruder heat sink, located inside the printer compartment on the extruder
assembly. The check consists of a visual inspection of the operation. If uneven operation is visible or
the fans do not rotate at all, report the need to replace them to an Authorized Service Center.