Brother MW-145BT - Manual (Page 17)

General Description
4
Status LED
A blue or green LED indicates the printer is oper-
ating correctly, while a red LED indicates an error
has occurred.
When the status LED is blue, it is possible to
receive data using both the Bluetooth and USB interfaces. How-
ever, once a connection is established using one of the inter-
faces, data cannot be received using the other interface until
printing is complete.
LED color LED status Printer status
Blue
Constantly lit
Waiting to receive data using Blue-
tooth or USB
Flashing Receiving data using Bluetooth
Flashing in long
intervals
Sleep mode (power-saving standby
condition, possible only when receiving
data using Bluetooth)
Green
Constantly lit Waiting to receive data using USB
Flashing Receiving data using USB
Red
Flashing
An error has occurred.
* Refer to (1) on the next page.
Constantly lit
A system error has occurred.
* Refer to (2) on the next page.