Brother MFC9700 - Sensor Operational Check

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3.8 Sensor Operational Check
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n 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.
(*These sensors are provided for models supporting a 2nd paper cassette.)
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n 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 " and "MNCS P2FC"
"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 Sensors Sensing status
DF Document front sensor No document detected.
DR Document rear sensor No document detected.
CV Cover sensor Front cover closed.
RS Registration sensor No paper detected.
TN Toner sensor No toner detected.
PO Paper ejection sensor No paper jam.
FH CCD HP sensor CCD unit placed in home position
R2 2nd registration sensor* No paper detected.
MN Manual insertion sensor No paper detected.
CS Cassette sensor No paper cassette loaded.
C2 2nd cassette sensor* No paper cassette loaded.
P2 Jam sensor No paper jammed.
FC Document tray open sensor Document tray closed.
(*These indications will always be displayed in models not equipped with a 2nd paper cassette.)