¶ FR2850：Retract issue, Filaments may be inserted into the CFS hub.
¶ Applicable model: K2 Plus
¶ Why does this prompt appear?
During filament unloading, the filament break detection in the hub outlet was triggered by filament from a non-unloading slot. Possible reasons include:
Filament from other slots accidentally inserted into the hub outlet.
The filament break detector in the hub outlet is damaged.
At this point, manually pull out the filament from other slots, then click the retry button to see if unloading can proceed normally.
¶ How to solve:
Hub outlet filament occupation: Check if filament from other slots is inserted into the hub outlet position, if so manually pull out the corresponding slot filament
Abnormal filament break detection at hub outlet. Refer to Troubleshooting for CFS hub filament clogged.
¶ General troubleshooting steps:
Check the transparent part at the bottom of the CFS to see if any filament has triggered the filament break detection at the hub outlet or if the filament has broken, and handle accordingly
Click the retry or unload button to see if normal filament unloading can be restored.