Brother HL-4200CN Service Manual page 251

Menu
Part/signal name
No.
TRAY1 NO PAPER SENSOR
DI-11
TRAY2 NO PAPER SENSOR
DI-12
TRAY3 NO PAPER SENSOR
DI-13
DI-14 KIT SENSOR OHP
TRAY1 LOW PAPER SENSOR
DI-15
TRAY2 LOW PAPER SENSOR
DI-16
TRAY3 LOW PAPER SENSOR
DI-17
TRAY1 SIZE SWITCH
(DISPLAY)
DI-18
TRAY1 SIZE SWITCH
(SW1)
DI-19
TRAY1 SIZE SWITCH
(SW2)
DI-1a
TRAY1 SIZE SWITCH
(SW3)
DI-1b
TRAY2 SIZE SWITCH
(DISPLAY)
DI-20
TRAY2 SIZE SWITCH
(SW1)
DI-21
Test method
Block and unblock the sensor
with an actuator.
Block and unblock the sensor
with an actuator.
Block and unblock the sensor
with an actuator.
Plain paper is checked.
Increase and decrease paper on
Tray1 for sensor detection and
no detection.
Increase and decrease paper on
Tray2 for sensor detection and
no detection.
Increase and decrease paper on
Tray3 for sensor detection and
no detection.
Set the side guide and end
guide of tray1 to the paper size.
Check the sensors signal.
The value (from 00 to 07) is
displayed that corresponded
with the size of paper. Refer to
the BSD.
Set the side guide and end
guide of tray1 to the paper size.
Check the sensors signal.
When the SW1 is switched on,
displays L (low). Refer to the
BSD.
Set the side guide and end
guide of tray1 to the paper size.
Check the sensors signal.
When the SW2 is switched on,
displays L (low). Refer to the
BSD.
Set the side guide and end
guide of tray1 to the paper size.
Check the sensors signal.
When the SW3 is switched on,
displays L (low). Refer to the
BSD.
Set the side guide and end
guide of tray2 to the paper size.
Check the sensors signal.
The value (from 00 to 07) is
displayed that corresponded
with the size of paper. Refer to
the BSD.
Set the side guide and end
guide of tray2 to the paper size.
Check the sensors signal.
When the SW1 is switched on,
displays L (low). Refer to the
BSD.
7.2B
V-45
Reference
BSD
2.6.1
2.6.2A
2.6.2B
2.6.3
2.7.6
2.6.1
2.6.2A
2.6.2B
2.6.3
2.6.1
2.6.1
2.6.1
2.6.1
2.6.2A
2.6.2B
2.6.2A
2.6.2B