Operational Check Of Sensors (Function Code 32) - Brother DCP-7030 Service Manual

1.4.10 Operational Check of Sensors (Function code 32)

<Function>
This function allows you to check the nine sensors for normal operation.
<Operating Procedure>
(1) MFC7840W/7840N/7450/7440N/7340/7320
Press in order the 3 and 2 buttons in the initial stage of the maintenance mode.
DCP7045N/7040/7030
Press the
OK button.
The machine beeps 1100 Hz and 400 Hz tones cyclically through the following volumes
for testing the speaker. To stop beeping, press the Menu button or OK button.
OFF
If the sensing status are as listed below, the LCD will show the following:
"DFDRCV" and "NTMNRSTNKOFU" (which can be switched by pressing the Start
button for machines.)
Given below is the relationship between the LCD indication, sensor names and sensor
status.
LCD
DF*
DR*
CV
NT
MN
RS
TN
KO
FU
or button. "MAINTENANCE 32" appears on the LCD, and then press the
400 Hz
Low Medium High
1100 Hz
Low Medium High
Sensors
Document front sensor
Document rear sensor
Cover sensor
New toner sensor
Manual insertion sensor
Registration sensor
Toner sensor
Edge sensor
Eject sensor
OFF
No document detected.
No document detected.
New toner detected.
No recording paper detected.
5-16
Sensing status
Front cover closed.
No paper detected.
No paper detected.
Toner detected.
No paper detected.
*Only DCP7030
Confidential