112
7
7
LED Indicators 7
The indicators light and blink to indicate the printer’s status. The following symbols are used in this section to 
explain the meaning of the different indicator colours and patterns:
RJ-3050
7
Reference 7
 or   or   or 
Indicator is lit in the colour shown
 or   or   or 
Indicator is blinking in the colour shown
 or   or   or 
Indicator blinks 1 or 2 times in each colour, then turns off
Indicator is lit or blinking in any colour or pattern
Indicator is off
POWER STATUS
(Wi-Fi)
(Bluetooth)
Description
Power on
Roll cover open
Receiving data
Transferring data
Error
Print error
Feed error
Cover open error
Communication error
Image processing error
Database search error
No template error
Access point search error
Access point connection error
Security error
Error
Battery error
Mass storage error
System error