Message Description  What To Do
Notification 431
Cartridge cannot be detected. 
Re-insert cartridge after 
cartridge removal.
Occurs when printer is unable to 
detect cartridge.
Automatically UNLOCK screen will be 
displayed. Reinstall cartridge.
Notification 432 
Cartridge cannot be detected. 
Re-insert cartridge after 
filament UNLOAD.
Occurs when printer is able to 
detect filament inside but is 
unable to detect cartridge.
UNLOAD screen. Reinstall cartridge.
Notification 471 
Cartridge loading as been detect-
ed as incomplete. Go to Extruder 
menu and move the filament to 
the end of the 
nozzle through manual 
control.
After boot up, the cartridge 
load was detected incomplete. 
Load was incomplete.
Pressing [OK] displays EXTRUDER screen. 
Feed the filament to the end of Nozzle.
Notification 481 
Cartridge unloading has been de-
tected as incomplete. Please retry 
UNLOAD again.
Message appears when unload 
was incomplete.
Pressing [OK] printer performs unload 
again.
Notification 433 
Cartridge quantity sensor has 
detected a malfunction. Please 
exchange cartridge.
Message will appear if there 
are more than 5% difference 
between the cartridge quantity 
and 
recorded usage levels.
Replace Cartridge.
Notification 472, 473, 476, 482, 
483, 484, 487, 488
Remove cartridge. Is there any 
remaining filaments in the tube 
or on the entrance of filament 
insertion (front of printer)?.
Problem has occurred during the 
load/unload process, remaining 
filament must be removed.
Follow the on-screen instructions and 
remove all remaining filament. 
(Refer to the image in P. 5-6)
Notification 411
Please check leftover filament 
after cartridge removal.
Occurs when filament is not 
correctly inserted during LOAD.
Follow the on-screen instructions and 
remove cartridge, cut filament, reinstall 
and run again.
Notification 412
Remove cartridge. Is there any 
remaining filaments in the tube 
or on the entrance of filament 
insertion (front of printer)?
Occurs when filament is not 
correctly inserted during LOAD.
Following the on-screen instructions, 
first remove the cartridge, then cut the 
filament and re-install the cartridge.
Notification 422, EC 423
Remove cartridge. Is there any 
remaining filaments in the tube 
or on the entrance of filament 
insertion (front of printer)?
Occurs when filament does not 
come out during UNLOAD.
Follow the on-screen instructions and 
remove cartridge, and any filament 
residue.