Operational Check Of Sensors (Function Code 32) - Brother MFC-9320CW Service Manual

1.4.10 Operational check of sensors (Function code 32)

<Function>
This function allows you to check each of the sensors.
<Operational procedure>
(1) Press the 3 and 2 buttons in this order in the initial state of the maintenance mode.
(2) The machine beeps 1,100 Hz and 400 Hz tones cyclically through the following volumes
for testing the speaker. To stop beeping, press the OK button.
The operation condition of the sensor becomes the one defined in the table below, and
"P1MPCVRCRMRAPOFW" is displayed on the LCD. When the Start/Black button is
pressed, the selected item is switched to the next item.
Given below is the relationship between the LCD indication, sensor name and sensor state.
LCD
P1
MP
CV
RC
RM
RA
PO
FW
NK
NY
NM
NC
KC
YC
MC
CC
Note:
- The operating noise is generated when the new toner sensor K and new toner sensor
Y are operated while the cover is open.
- The "--" appears on the LCD if there is no display.
- The "**" appears on the LCD if the parts are not installed or there is no item.
400 Hz
Low Medium
OFF
1,100 Hz
High Medium
Fig. 7-8
Sensors
Paper eject rear sensor
Manual sensor
Top cover sensor
Back cover sensor
Registration front sensor
Registration rear sensor
Paper eject front sensor
Waste toner sensor
New toner sensor K
New toner sensor Y
New toner sensor M
New toner sensor C
Toner sensor K
Toner sensor Y
Toner sensor M
Toner sensor C
7-16
High
OFF
Low
Sensing status (OK/NG)
Paper not detected/detected
Paper not detected/detected
Top cover closed/open
Back cover closed/open
Paper not detected/detected
Paper not detected/detected
Paper not detected/detected
Toner full/not detected
Used toner/ New toner
Used toner/ New toner
Used toner/ New toner
Used toner/ New toner
Toner (K) detected/not detected
Toner (Y) detected/not detected
Toner (M) detected/not detected
Toner (C) detected/not detected
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