Brother MFC9100C Service Manual page 175

3.8 Sensor Operational Check
n n
Function
This function allows you to check whether the following 14 sensors operate correctly.
- Document front sensor
- Document rear sensor
- Cassette sensor
- Cover sensor
- Registration sensor
- Paper width sensor
- Paper ejection sensor
n n
Operating Procedure
(1) Press the 3 and 2 keys in this order in the initial stage of the maintenance mode. The
equipment beeps 1100 Hz and 400 Hz tones cyclically through the following volumes for
testing the speaker.
NOTE: To stop beeping, press the Function key (American models) or Menu key (European
models).
If the sensing status are as listed below, the LCD will show "FRRET1##CVRGWD##" and
"JMPGFHHDIKIYICIM," which can be switched by pressing the Start key. (## means that the
area is not used.)
Given below is the relationship between the LCD indication, sensor name and sensor status.
LCD
FR
RE
T1
CV
RG
WD
JM
PG
FH
HD
IK
IY
IC
IM
(2) Change the detecting conditions and check that the displayed letters disappear.
example, insert a document through the document front sensor and check that the "FR"
disappears.
(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
Cassette sensor
Cover sensor
Registration sensor
Paper width sensor
Paper ejection sensor
Purge cam HP switch
CCD HP sensor
Head property EEPROM
Black ink cartridge sensor
Yellow ink cartridge sensor
Cyan ink cartridge sensor
Magenta ink cartridge sensor
- Purge cam HP switch
- CCD HP sensor
- Head property EEPROM
- Black ink cartridge sensor
- Yellow ink cartridge sensor
- Cyan ink cartridge sensor
- Magenta ink cartridge sensor
Sensing status
No document detected.
No document detected.
Paper cassette loaded.
Scanner unit closed.
No recording paper detected.
No recording paper (A4 or wider) detected.
No recording paper detected.
Purge cam placed in the home position.
CCD unit placed in the home position.
Head (rank) detected.
Black ink cartridge loaded.
Yellow ink cartridge loaded.
Cyan ink cartridge loaded.
Magenta ink cartridge loaded.
V - 48
For