Message Description What To Do
EC 434 The filament has already been con-
sumed.
Replace the smart chip. (Check if the smart
chip was replaced with the filament.)
EC 471 Loading was not confirmed after
booting.
Pressing [OK] displays EXTRUDER screen.
Feed the filament to the end of Nozzle.
EC 481 Unloading was not successful. Press the [OK] button to restart unloading.
EC 433 Message will appear if there are
more than 5% difference between
the cartridge quantity and recorded
usage levels.
Replace Cartridge.
EC 472, 473, 476, 482,
483, 484, 488
Remove the remaining filament be-
cause of a problem during loading/
unloading.
Follow the UI instructions in removing the re-
maining filament. (Refer to P.5–5.)
EC 487 Remove the remaining filament be-
cause of a problem during loading.
Remove any filament located outside of the
cartridge. (Refer to the label on the cartrid-
ge.)
EC461 and 462 The printer does not recognize the
extruder’s sensor of pressurization
controller.
‘Refer to the “Cautions for Using the Device”
section to check the state of the extruder lo-
cated at the back of the device.
EC 357, 358, and 359 There is a problem in the power
supply of the bed heater or the CTL
board of the heater.
If the problem persists after rebooting the
printer, request for A/S.
EC 500, 501, 502, and 503 The X1, X2, Y, or Z axis motor has
a problem; that is why it cannot
move to the home position.
Check the bed and the nozzle for any foreign
substance.
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