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On/off tone for printer error alarm circuit

2016-02-20 00:08  
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When a printer error occurs, the Alarm lamp flashes orange as shown below. The number of flashes indicates the type of error that has occurred. Count the flashes and take the appropriate action to correct the error.When a printer is shut down, this alarm sounds an alarm. The input can be either a high-to-low or low-to-high transition. This can be a logic level that corresponds with the printer being on or off. The oscillator produces an interrupted (on-off) tone.When ink runs out whileprinting is in progress, the error code "E, 1, 6" will appear on theLED . The Alarmlamp will light up and the Ink lamp will start flashing.

 

Printer Error Alarm