Too many enums?

ZebraPrinter.swift

/**
 `ZebraPrinterStatus` is a list of status responses we handle from the printer or during a connection attempt with the printer.
 */
enum ZebraPrinterStatus {
    case Ready
    case NotReady([ZebraPrinterError])
    case Unknown
    
    func message() -> String {
        switch self {
        case .Ready:
            return "Printer Ready"
        case let .NotReady(errors):
            var errorMessages = ""
            for error in errors {
                errorMessages += error.rawValue + ","
            }
            
            return "Printer not ready: \(errorMessages)"
        case .Unknown:
            return "Unknown status"
        }
    }
}

/**
 `ZebraPrinterError` enumerates the error types that we can receive when communicating with the printer. Other than the timeout case, all other responses are reported by the printer itself.
 */
enum ZebraPrinterError: String {
    case ThermOpen = "Thermistor Open"
    case InvalidConfig = "Invalid firmware configuration"
    case NoPrinthead = "Printhead detection error"
    case BadPrinthead = "Bad printhead element"
    case MotorTemp = "Motor over temperature"
    case PrintheadTemp = "Printhead over temperature"
    case CutterFault = "Cutter fault"
    case HeadOpen = "Head open"
    case RibbonOut = "Out of ribbon"
    case MediaOut = "Out of labels"
    case Timeout = "Couldn't connect to printer"
}