User`s manual

12. Function of button and indicators
Line Thermal Printers
7
Feed Button
Paper Indicator
Power IndicatorError Indicator
11. Button and Indicators
1
2
3
4FEED Button
Press the FEED button to feed the paper roll.
ERROR Indicator
ON may indicate paper out, cutter error, print head overheated.
OFF indicates normal status
PAPER Indicator
PAPER & ERROR are both ON, indicating printer is out of paper;
PAPER & ERROR are both OFF, indicating printer is in normal status.
POWER Indicator
ON indicates printer power is on
OFF indicates printer power is off.