Operational Check Of Sensors (Function Code 32) - Brother MFC-9130CW Service Manual

1.4.10 Operational check of sensors (Function code 32)

<Function>
This function allows you to check each of the sensors.
<Operating procedure>
(1) Press the 3 and 2 keys in this order in the initial state of the maintenance mode.
"Maintenance 32" is displayed on the LCD.
(2) The machine beeps 400 Hz and 1,100 Hz tones cyclically through the following volumes
to test the speaker.
Note:
To stop beeping, press the SET key.
The sensor operating conditions defined in the table below are applied.
"C1MPTCRCPORMRA**" is displayed on the LCD.
(3) Pressing the Mono Start key displays the next group. The table below summarizes the
displays on the LCD, sensor names and detection status.
LCD
C1
MP
TC
RC
PO
RM
RA
Note:
- The "--" appears on the LCD if the sensor is OFF.
- The "**" appears on the LCD if the parts are not installed or there is no item.
LCD
MAC
TMP
HUM
LCD
DF
DR
AC
DB
Note:
If the sensor detects the unusual value, the machine displays "NG" on the LCD.
Fig. 5-9
Sensors
Paper feed sensor
Manual feed paper empty sensor
Joint cover sensor
Back cover sensor
Eject sensor
Registration front sensor
Registration rear sensor
Sensors
Internal temperature sensor
External temperature sensor
External humidity sensor
Sensors
Document detection sensor
First side document scanning position
sensor
ADF cover sensor
Second side document scanning
position sensor
5-20
Detection status
(displayed/not displayed)
Paper not detected/detected
Paper not detected/detected
Joint cover ASSY closed/open
Back cover closed/open
Paper not detected/detected
Paper not detected/detected
Paper not detected/detected
Detection status
(displayed/not displayed)
°
XX C/NG
°
XX C/NG
XX %/NG
Detection status
(displayed/not displayed)
Without documents/With document
Without documents/With document
Closed/Open
Without documents/With document
Confidential