Sensor Operational Check - Brother MFC9700 Service Manual

3.8

Sensor Operational Check

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Function
This function allows you to check whether the 13 sensors--document front sensor, document rear
sensor, cover sensor, registration sensor, toner sensor, paper ejection sensor, CCD HP sensor,
manual insertion sensor, cassette sensor, jam sensor, document tray open sensor, 2nd registration
sensor*, and 2nd cassette sensor*--operate correctly.
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Operating Procedure
(1) Press the 3 and 2 keys in this order in the initial stage of the maintenance mode. The machine
beeps 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 the following two character strings
(which can be switched by pressing the Fax Start key for machines w/ fax or the Sort key for
machines w/o fax):
"DFDRCVRSTNPOFH
"DFDRCVRSTNPOFHR2" and "MNCSC2P2FC" on models having a 2nd paper cassette
Given below is the relationship between the LCD indication, sensor names and sensor status.
LCD
DF
DR
CV
RS
TN
PO
FH
R2
MN
CS
C2
P2
FC
(*These sensors are provided for models supporting a 2nd paper cassette.)
" and "MNCS
Sensors
Document front sensor
Document rear sensor
Cover sensor
Registration sensor
Toner sensor
Paper ejection sensor
CCD HP sensor
2nd registration sensor*
Manual insertion sensor
Cassette sensor
2nd cassette sensor*
Jam sensor
Document tray open sensor
(*These indications will always be displayed in models not equipped with a 2nd paper cassette.)
P2FC"
Sensing status
No document detected.
No document detected.
Front cover closed.
No paper detected.
No toner detected.
No paper jam.
CCD unit placed in home position
No paper detected.
No paper detected.
No paper cassette loaded.
No paper cassette loaded.
No paper jammed.
Document tray closed.
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