7167 Owner’s Manual Chapter 4: DiagnosticsNovember 2002 73Level 2 DiagnosticsLevel 2 diagnostics run during normal printer operation. When the following conditionsoccur, the printer automatically turns off the appropriate motor, disables printing toprevent damage, and turns on the green LED (flashes the green LED if the receipt printhead is too hot or the voltages are out of range):Paper outCover openKnife unable to go back to home positionPrint head too hotPower supply voltage out of rangeSlip or flip motor jamSee “Chapter 3: Solving Problems” for more information about other conditions that mayoccur and how to correct them.Status LED BehaviourPower Off OffFirmware Download Very Fast BlinkLevel 0 Diagnostics No BlinkReceipt Paper Low Slow BlinkTemperature Error No BlinkVoltage Error No BlinkCover Open Fast BlinkReceipt Paper Out Fast BlinkKnife Jam Fast Blink, then Slow BlinkSlip Cover Open Fast BlinkFlip Cover Open Fast BlinkReceipt Cover Open Fast BlinkSlip Motor Jam Fast BlinkFlip Motor Jam Fast BlinkSlip Ribbon Carriage Error Fast BlinkAll other states On