message DeviceActionCause
{
// Next number = 3. enum ErrorCode { // Error while downloading job. DOWNLOAD_FAILURE = 0; // Error due to invalid job ticket. INVALID_TICKET = 1; // A generic printing error occurred. PRINT_FAILURE = 2; // Error due to some other device action. OTHER = 100; } // Error code for the device action which caused the current job state // (required). optional ErrorCode error_code = 1;
}