2.3 Errors Errors indicate that something has occurred to prevent the printer from printing or executing other primary functions. Errors are classified as Table 2.3.1 according to their cause and how they are resolved. Table 2.3.1 Types of Error Error status occurs when there is some cause of error in the printer. When the printer recognizes that all causes of the error have been removed, it returns to idling status.
Power ON Cause of recoverable error Cause of unrecoverable error Idling Error Recoverable error Unrecoverable error All causes of recoverable error removed Figure 2.3.1 Error Status Transition Diagram When the printer is in error status, the printer behaves differently than the normal idling status as described below. Indicators (LEDs/LCDs) indicate errors. Commands for printer mechanisms, such as print requests, cannot be executed. “~H(SMA,S” (send printer operation status): ER (error status) is returned. “~H(SEA,E” (send error status): the cause of the error is returned. ESC/Label Command Reference Guide Rev.
L Page 24 Name Description Example causes Recoverable error An error condition that can be reset by the user. The printer returns to normal status when the user removes the cause of the error. Open cover, paper out, paper jam, Unrecoverable error An error condition that cannot be reset by the user because the user cannot remove the cause of the error. Detector failure or motor failure caused by aging equipment.