Sensor Operational Check - Brother MFC5200C Service Manual

7.5.9 Sensor Operational Check

Function
This function allows you to check the following:
- Document front sensor
- Document rear sensor
- Document cover 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
"P1P2HDIKIYICIMMP," which can be switched by pressing the 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
MP
(2) Change the detecting conditions (e.g., insert paper through the document sensors, registration
sensor or paper width sensor, open the document cover/scanner unit/manual feed slot cover, or
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 cover open sensor
CCD HP sensor
Cassette sensor
Scanner open sensor
Registration sensor
Paper width sensor
Purge cam HP switch
Pump switching cam HP switch
(Print head detector)
Black ink cartridge sensor
Yellow ink cartridge sensor
Cyan ink cartridge sensor
Magenta ink cartridge sensor
Manual feed slot cover sensor
- Pump switching cam HP switch
- (Print head detector)
- Black ink cartridge sensor
- Yellow ink cartridge sensor
- Cyan ink cartridge sensor
- Magenta ink cartridge sensor
- Manual feed slot cover sensor
Sensing status
No document detected.
No document detected.
Document cover closed.
CCD unit placed in the home position.
Not applicable to the MFC5200C/MFC890
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.
(Not used.)
Black ink cartridge loaded.
Yellow ink cartridge loaded.
Cyan ink cartridge loaded.
Magenta ink cartridge loaded.
Manual feed slot cover closed.
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