First check whether the filaments completely pass the filament detection sensor. Then reinsert the cable of the sensor.
Please use one wire to connect the two cores in this port to make the circuit closed-loop. Then click the print model. If the printer no longer prompts an error, it indicates that the consumables detection switch is faulty. Replace the consumables detection switch with a new one.
If the above methods are invalid, we suggest you create an after-sales ticket and our After-sales engineers will help you solve the problem. (Reply time :1 working day)
Please click this link to submit your ticket: