Konica Minolta MAGICOLOR 2300 - Manual (Page 36)

About the Control Panel 28
Black Toner
Condition
Orange LED
Blinking normally** Black toner low
On Black toner empty
Blinking rapidly*** Ready to change black toner cartridge
Refer to “Replacing a Toner Cartridge” on page 49.
*Blinking slowly 1 blink every 2.4 seconds
***Blinking rapidly 2 blinks every 1.2 seconds
Color Toner
Condition
Orange LED
Blinking normally** Color toner low
On Color toner empty
Blinking rapidly*** Ready to change color toner cartridge
Refer to “Replacing a Toner Cartridge” on page 49.
*Blinking slowly 1 blink every 2.4 seconds
***Blinking rapidly 2 blinks every 1.2 seconds