Epson ColorWorks C7500 ESC/label Command Reference Guide - Page 23
Errors
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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 Name Description Example causes Recoverable error An error condition that can be reset by the Open cover, paper out, paper jam, user. The printer returns to normal status when the user removes the cause of the error. Unrecoverable error An error condition that cannot be reset by Detector failure or motor failure the user because the user cannot remove the caused by aging equipment. cause of the 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. Cause of recoverable error Power ON Idling Cause of unrecoverable error Error Recoverable error All causes of recoverable error removed Unrecoverable error 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. Commands for printer mechanisms, such as print requests, cannot be executed. Indicators (LEDs/LCDs) indicate errors. "~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. E Page 23