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LED Patterns and Indications
The indicator lights and flashes to indicate the printer’s status. The symbols used in this section explain the meaning of the different indicator colors and patterns:
 or  or  | Indicator is lit in the color shown. |
 or  or  | Indicator is flashing in the color shown. |
 | Indicator is off. |
LED Indicator | Status |
|---|---|
| | Power off |
Charging complete (when power is turned off) | |
Not charging (when power is turned off) | |
| | Battery level: Half or more |
Charging complete (when power is turned on) | |
Power on | |
Not charging (when power is turned on) | |
| | Charging |
| | Boot mode  If the indicator is lit in red (Boot mode), contact Brother Customer Service. |
| (Flashing rapidly every two seconds) | Battery level: low |
| (Flashing once every three seconds) | Sleep mode and charging |
| | Sleep mode |
| | Roll end error |
Feed error | |
Cover open error | |
Communication error | |
WPS connection error | |
BLF file error | |
No template error | |
Memory full error | |
ESC/P Memory full error | |
JPEG file error | |
Battery deterioration error | |
Mass storage error | |
Battery level: empty | |
System error | |
Database search error | |
Battery error (if the battery is not fully charged after the specified amount of time) | |
Set clock error | |
Remaining battery error | |
 | The peeler function cannot be used due to strong ambient light. |
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