Led Display When Service Call Occurs - Brother HL-1110 Service Manual

3.2

LED Display when Service Call Occurs

Two LEDs flash when unresolvable errors occur. Pressing the
identify the location of the problem based on the combination of the LED status: lit, flashing
or unlit.
In the event that a service call occurs, instruct end users to turn the power switch OFF and
then ON again after several seconds. If the service call still occurs, refer to the page shown in
the "Refer to:" column in the table below to take appropriate measures.
The number in the "number of times the
times the LED flashes every 0.5 seconds.
When error
occurs:
Flashes
every 0.5
seconds
Flashes
every 0.5
seconds
Flashes
every 0.5
seconds
Flashes
every 0.5
seconds
Flashes
every 0.5
seconds
Flashes
every 0.5
seconds
LED
Press the Press the
button button
once twice
1 1
1 2
2 1
3 2
3 3
3 4
1-10
button is pressed" column indicates number of
Type of problem
Irregular power supply detection error
Irregular power supply detection error
(More than 100 times detected in total)
High voltage power supply PCB failure
The center thermistor of the fuser unit
detected a temperature fall greater than
the specified value within the specified
time.
The center thermistor of the fuser unit
detected a sharp temperature gradient
greater than the specified value within
the specified time.
The center thermistor of the fuser unit
detected a temperature rise greater
than the specified value within the
specified time.
button allows you to
Refer
to:
4.7.8
4.7.8
4.7.9
4.5.1
4.5.1
4.5.1
Confidential