Data buffer

 

 

 

 

Full

Near Full

Near Empty

Empty

 

 

 

 

 

Remainder

 

256 bytes

 

 

256 bytes

 

 

 

 

 

 

 

 

 

 

 

 

X-OFF

X-ON

[Paper out]

When the “paper out” detector senses the end of the paper, the printer stops printing after printing a maximum of two more lines or on feeding the paper. The printer will set the DTR to “MARK” and set the printer to OFF LINE five seconds after a “paper out” condition is detected. To reset the printer after a “paper out”, load a new roll of paper into the printer and press the OFF LINE switch to set the printer ON LINE.

[Mechanical error]

Mechanical errors occur when the front cover is opened during printing and printing stops or when the motor locks and printing stops. After the error occurs, the printer outputs an X-OFF signal and stops printing. The printer sets the DTR signal to “MARK” and sets to OFF LINE five seconds after a mechanical error occurs. To reset the printer after a mechanical error occurs, close the front cover properly and press the ON LINE switch. If a buzzer sounds and the ALARM lamp flashes at this point, locate the cause of the error and turn the power off and then back on to reset the printer.

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Star Micronics SP300 manual Off