Thanks. While the machine was in service mode, I successfully completed the language change process by trial and error by entering the numbers I last tried in test mode D. The code to be entered to change the language is 220. After entering this code, if you select 0 from the menu that appears, it becomes English, if you select 10, it becomes Turkish. While I was in that menu, I selected 6, so the language of the machine became Chinese. Since it is toner refill, I have to log in with the method I first explained. How can I permanently bypass the toner warning? By the way, after I found this solution,...

Hello, I have an e-studio 18 printer. This printer was giving a toner error. I turn on the machine by holding down the red (clean / stop) button while the printer is off. It enters service mode. Here I press the up - left - down - right arrow keys in order and enter the setting mode (select the first one in the row) and press the OK button. I come across test mode A. While here, I was bypassing the toner problem by opening the toner cover, pressing the menu button while the cover was open and then closing the cover. Somehow, in this mode, I changed the language of my printer (Chinese, Korean)...