Sensor Operational Check (Maintenance Mode 32); Sensor Operational Check - Brother MFC Series Service Manual

1.4.10 Sensor Operational Check (Maintenance mode 32)

<Function>
This function checks whether sensors work normally.
<Operating Procedure>
(1) Enter [3] and [2] in the initial stage of the maintenance mode.
The machine sounds 1,100 Hz and 400 Hz tones cyclically through the following
volumes for testing the speaker.
Note To stop tones from the speaker, press [SET] or [Menu].
If the sensing statuses are as defined below, the LCD shows the 1st sensor group
"DFDRCVRSCCP1****".
(2) Press [Mono Start] to switch to the next sensor group.
If asterisks ("**") appear on the LCD, it means that the corresponding sensor does not
exist on the model.
Given below is the relationship between the LCD indication, sensor name and sensor
status.
Items
shown
on the
LCD
*1
DF
*1
DR
CV
RS
CC
P1
*2
IK
*3
IY
*3
IC
*3
IM Magenta ink cartridge detection sensor
EK
EY
EC
EM
VT
T1 High temperature detector in the complex IC
*1 For ADF models only
*2 For Ink Cartridge models and MFC-T800W only
*3 For Ink Cartridge models only
Sensors
Document detection sensor
Document scanning position sensor
Document scanner sensor
Registration sensor
Ink cartridge cover sensor
Purge cam sensor
Black ink cartridge detection sensor
Yellow ink cartridge detection sensor
Cyan ink cartridge detection sensor
Black ink remaining sensor
Yellow ink remaining sensor
Cyan ink remaining sensor
Magenta ink remaining sensor
Head thermistor
(for main PCB)
Sensing status (display/no display)
No document/Document present
No document/Document present
Cover closed/Cover opened
No recording paper/Recording paper present
Cover closed/Cover opened
Cartridge present/No cartridge
Cartridge present/No cartridge
Cartridge present/No cartridge
Cartridge present/No cartridge
Normal temperature/Abnormal temperature
Normal temperature/Abnormal temperature
5-23
Origin/Out of origin
Ink present/No ink
Ink present/No ink
Ink present/No ink
Ink present/No ink
Confidential