Brother HL 5370DW, Service Manual

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7-15 Confidential
24) Sleep Mode Indication (OFF/Dimmed)
This is to select whether the Status LED is turned off completely or lit in green with low
light intensity during the Sleep mode.
Whenever you switch this mode, the setting is changed over from the present one to the
other. When you take your finger off from this button, the
Status LED is lit in 100% light
intensity or low light intensity according to the setting so that you can verify the present
setting. (The LCD model does not have this function.)
25) Inspection Mode Cle Inspection Mode Mask
Clear the inspection mode with this function, when the PCB in the inspection mode is
found.
26) PIT3 Inspection Mode
Use this mode to back up the main PCB and the wireless PCB, when replacing the main
PCB or wireless LAN PCB.
<Transfer Procedure>
(LED model)
(1) Turn ON the power switch while the [Go] button is held.
(2) Check that the Back cover/Toner / Drum / Paper LEDs are out, and release the [Go]
button.
(3) Press the [Go] button for 2 seconds after all LEDs are off. If the red Paper LED
lights, the transfer to the PIT3 inspection mode is finished.
(LCD model)
(1) Turn ON the power switch while the [Go] button is held.
(2) Check that the LCD indication of “USERS MODE”, and release the [Go] button.
(3) Press the [Go] button for 2 seconds. If the LCD indication switches “PIT3 MODE”,
the transfer to the PIT3 inspection mode is finished.
Sleep Mode Status
LED indication
LED Model
Switch the setting
from Off to low
light intensity. Lights in green with low light intensity
for 1 second.
Switch the setting
from low light
intensity to OFF. Lights in green with 100% light intensity
for 1 second.
Back
Cover
Toner
Drum
Paper
Status
Back
Cover
Toner
Drum
Paper
Status