Tente reset
Press the Menu, then Mono Start key then press the UP arrow key 4 times to make the machine enter the maintenance mode and “ERROR 46″ pops-up in the display.
Enter maintenance mode 80: Select 8 by pressing the UP/DOWN arrow key and push OK key and select 0 and push OK key
Now Press MONO arrow key several times until you see PURGE:XXXXX
Select 2 and push OK, Select 7 and push OK, 8 and push OK, select 3 and push OK and the purge counter is now reset to 00000.
Press STOP/EXIT key to go to root of maintenance mode
Enter code 99 to exit maintenance mode: Select 9 and push OK, Select 9 and push OK.