Brother QL 570 - P-Touch B/W Direct Thermal Printer, Service Manual

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IV- 2
4.3 LED CONTROL IN DIFFERENT SITUATIONS AND MEASURE AGAINST
ERRORS
The display priority is specified as follows.
- Green LED ON: Normal operation
- Orange LED ON: Cover open
- Orange LED blinking by 1.6 sec frequency: In a cooling state
- Red LED blinking by 0.8 sec frequency:
Error. Recoverable error by the ON/OFF button
- Red LED blinking by 0.8 sec frequency ten times and turned off:
Unrecoverable error, Service call is required.
LED State
Turned off Power OFF
Green LED ON Power ON
Orange LED ON Cover open
(While the machine is not running)
Low rate blinking (1.6 sec frequency)
LED OFF
for 0.8 sec
Orange LED ON
for 0.8 sec
In a cooling state
Fast blinking (0.8-sec cycle)
LED OFF
for 0.4 sec
Red LED
ON for 0.4
sec
LED OFF
for 0.4 sec
Red LED
ON for 0.4
sec
Error
- Cutter error
- Media mark detect error
Tape mounting error
End of tape
Tape jam
- Media mismatch or no media
- Communication error
- System error
(After the LED blinking fast ten
times, it is turned OFF.)
- Cover open
(while the machine is running)