If an error occurs when printing a PDF for which a password has been set, an error message is not displayed in the Android terminal. An error message is displayed on the control panel of the printer.
Good to know The printer has enough ink and paper. The printer is not displaying an error message . If the problem persists, use the printer driver on your computer to check whether the document can be printed normally.
Basic AirPrint Usage 4. Check that the printer has enough paper and ink. 5. Check that no error message is displayed on the printer operation panel. If the problem persists, use the printer driver on your computer to execute printing and check whether the document can be printed normally on the printer.
This function displays printer information such as the remaining ink amount, the status, and detailed error information. You can also connect to the ink purchase site or support page, and use Web Services.