Sensor Operational Check (Maintenance Mode 32); Sensor Operational Check - Brother DCP-J552DW Service Manual

1.3.11 Sensor Operational Check (Maintenance mode 32)

<Function>
This function checks whether sensors work normally.
<Operating Procedure>
(1) Press the [3] and [2] keys in this order 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 the SET or Menu key.
If the sensing statuses are as defined below, the LCD shows the 1st sensor group
"DFDRCVRSCCP1****".
(2) Press the [Mono Start] key 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
IK
IY
IC
IM
EK
EY
EC
EM
OR
*2
CD
VT
T1 High temperature detector in the complex IC
*1
T2 Carriage motor driver temperature detection
*1 For ADF models only
*2 For disc printing 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
Magenta ink cartridge detection sensor
Black ink remaining sensor
Yellow ink remaining sensor
Cyan ink remaining sensor
Magenta ink remaining sensor
Pressure roller release sensor
Disc guide 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
Pressure roller depressed/Pressure roller released
Disc guide closed/Disc guide open
Normal temperature/Abnormal temperature
Normal temperature/Abnormal temperature
Normal temperature/Abnormal temperature
5-25
Origin/Out of origin
Ink present/No ink
Ink present/No ink
Ink present/No ink
Ink present/No ink
Confidential