Brother HL-3160CDW Service Manual page 247

1.3.8 Check sensor operation (Function code 32)
< Function >
This function is used to check whether the sensors are operating normally.
< Operating Procedure >
(1) For models with touch panel
Press the [3], and then the [2] in the initial state of maintenance mode. Following example
is displayed on the LCD.
For models without touch panel
Press the [▲] or [▼] in the initial state of maintenance mode to display
"MAINTENANCE 32" on the LCD, and press the [OK]. Following example is displayed
on the LCD.
e.g.) RCCVC1MPMRPORMRA
(2) Pressing the [Mono Start] or [Go] changes the display to the next item.
(3) Change the conditions subject to sensor detection shown below and check that the
display on the LCD changes depending on the sensor status. For example, feed the
paper through the registration front/rear sensor, open the top cover or back cover, remove
the toner cartridge, or create paper jam at the exit.
(4) Press the [X] or [Cancel], and the machine returns to the initial state of maintenance
mode.
<Sensor check>
The table below summarizes the displays on the LCD, sensor names and detection status.
LCD
RC
CV
C1
MP
PO
RM
RA
MACxx
OTxx
OHxx
Note:
If the temperature/humidity sensor detects the unusual value, the machine displays "NG" on
the LCD.
Sensor name
Back cover sensor
Top cover sensor
T1 paper feed sensor
Manual feed paper empty
sensor
Eject sensor
Registration front sensor
Registration rear sensor
Internal temperature sensor
External temperature sensor
External humidity sensor
Detection status
With display
Back cover closed
Top cover closed
T1 closed
No paper
No paper
No paper
No paper
XX °C
XX °C
XX%
5-15
No display
Back cover open
Top cover open
T1 open
Paper set
Paper set
Paper set
Paper set
NG
NG
NG
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