Brother MFC-7290 - Operational Check of Sensors (Function Code: 32)

5-16
Confidential
1.3.10 Operational check of sensors (Function code: 32)
<Function>
This function is used to check that the sensors are operating normally.
<Operating Procedure>
(1) Press the [3] and [2] buttons in this order in the initial state of the maintenance mode.
(2) Check mode is entered. The speaker emits 1,100 Hz and 400 Hz tones cyclically
through the following volumes. To stop tones, press the [OK] button.
"**RCNTRMRAPOCV25" appears on the LCD, and the sensor operating conditions
defined in the table below are applied.
When the [Start] button is pressed, the display changes to "DFDR****AC****".
The table below shows the relationship between the LCD display, sensor names and
detection status.
LCD Sensor name
Sensor name
displayed
-- displayed
RC Back cover sensor Cover closed Cover open
NT New toner sensor ON OFF
RM Registration front sensor No paper Paper set
RA Registration rear sensor No paper Paper set
PO Eject sensor No paper Paper set
CV Front cover sensor Cover closed Cover open
25
(last two digits)
Internal temperature thermistor Measured value
displayed
NG
DF Document detection sensor No paper Paper set
DR Document scanning position
sensor
No paper Paper set
AC Control panel cover sensor Cover closed Cover open
Note:
• "**" appears on the LCD if the parts are not installed or there is no item.
400 Hz
Low Medium High
OFF OFF
1,100 Hz
High Medium Low