Operational Check Of Sensors (Function Code 32) - Brother DCP-9055CDN 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 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.
If the sensing status are as listed below, the LCD will show "C1C2L2T2**" when paper
tray 2 is installed. "C1********" appears on the LCD when paper tray 2 is not installed.
Press the Start/Black button to check the next item.
Given below is the relationship between the LCD indication, sensor name and sensor
state.
LCD
C1
C2
L2
T2
MP
MR
CV
RC
RM
RA
PO
FW
NK
NY
NM
NC
KC
YC
MC
CC
Note:
- 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.
Low
OFF
High
Sensors
T1 paper edge sensor
T2 paper edge sensor
T2 plate-up detection sensor
T2 connector
MP paper empty sensor
MP registration front sensor
Front cover sensor
Back cover sensor
Registration front sensor
Registration rear sensor
Paper eject sensor
Waste toner sensor
New toner sensor Black
New toner sensor Yellow
New toner sensor Magenta
New toner sensor Cyan
Toner sensor Black
Toner sensor Yellow
Toner sensor Magenta
Toner sensor Cyan
400 Hz
Medium High
OFF
1,100 Hz
Medium Low
Fig. 5-12
Sensing status (OK/NG)
Paper tray 1 not installed/installed
Paper tray 2 not installed/installed
Plate down/Plate up
Paper tray 2 installed/not installed
MP tray paper not detected/detected
MP tray paper not detected/detected
Front cover closed/open
Back cover closed/open
Paper not detected/detected
Paper not detected/detected
Paper not detected/detected
Light shielded on sensor/Light guided to sensor
OFF/ON
OFF/ON
OFF/ON
OFF/ON
Toner (K) detected/not detected
Toner (Y) detected/not detected
Toner (M) detected/not detected
Toner (C) detected/not detected
5-20
Confidential