Sensor Operational Check - Brother MFC5100C Service Manual

5.3.9 Sensor Operational Check

Function
This function allows you to check the following:
- Document front sensor
- Document rear sensor
- Document tray open sensor
- CCD HP sensor
- Scanner open sensor
- Registration sensor
- Paper width sensor
- Purge cam HP switch
Operating Procedure
(1) Press the 3 and 2 keys in this order in the initial stage of the maintenance mode. The
equipment sounds 1100 Hz and 400 Hz tones cyclically through the following volumes for
testing the speaker:
NOTE: To stop beeping, press the Menu key.
If the sensing status are as listed below, the LCD will show "DFDRDCFHCSCVRSPW" and
"P1P2HDIKIYICIMVT," which can be switched by pressing the Black Fax Start key.
Given below is the relationship between the LCD indication, sensor name and sensor status.
LCD
DF
DR
DC
FH
CS
CV
RS
PW
P1
P2
HD
IK
IY
IC
IM
VT
(2) Change the detecting conditions (e.g., insert paper through the document sensors, registration
sensor or paper width sensor, open the scanner unit, remove the print head or ink cartridges)
and then check that the indication on the LCD changes according to the sensor states.
(3) To stop this operation and return the equipment to the initial stage of the maintenance mode,
press the Stop key.
Sensors
Document front sensor
Document rear sensor
Document tray open sensor
CCD HP sensor
Cassette sensor
Scanner open sensor
Registration sensor
Paper width sensor
Purge cam HP switch
Pump switching cam HP switch
Head dimple contact
Black ink cartridge sensor
Yellow ink cartridge sensor
Cyan ink cartridge sensor
Magenta ink cartridge sensor
Head driver chip temperature sensors
- Pump switching cam HP switch
- Head dimple contact
- Black ink cartridge sensor
- Yellow ink cartridge sensor
- Cyan ink cartridge sensor
- Magenta ink cartridge sensor
- Head driver chip temperature sensors
Sensing status
No document detected.
No document detected.
Document tray closed.
CCD unit placed in the home position.
Not applicable to the MFC5100C/MFC590
Scanner unit closed.
No recording paper detected.
No paper detected.
Purge cam placed in the home position.
Pump switching cam placed in the home position.
Head detected.
Black ink cartridge loaded.
Yellow ink cartridge loaded.
Cyan ink cartridge loaded.
Magenta ink cartridge loaded.
Driver chip temperature within the allowable range
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