Check Sensor Operation (Function Code: 32) - Brother DCP-8110DN Service Manual

1.3.10 Check sensor operation (function code: 32)

<Function>
This function is used to check that the sensors are operating normally.
<Operation Procedure>
(1) Press the [3] and [2] buttons in this order in the initial state of maintenance mode. The
sensor operating conditions defined in the table below are applied.
For example, when paper tray 2 is set, "C1C2T2TNNTST" (1st group) is displayed on the
LCD. When paper tray 2 is not set, "C1****TNNT**" is displayed.
(2) Pressing the [Start] button displays the next group.
The table below summarizes the displays on the LCD, sensor names and detection
status.
Group 1
Group 2
Group 3
(3) Change the conditions subject to sensor detection and check that the display on the
LCD changes depending on the sensor status. For example, feed the paper through the
registration front or rear sensor, open the front cover or back cover, remove the toner
cartridge, create paper jam at the exit, supply paper from the MP tray, or set the paper
tray.
LCD Sensor names
C1 T1 paper feed sensor
C2 T2 paper feed sensor
T2 T2 connect sensor
TN Toner sensor
NT New toner sensor
ST Output tray stuck sensor
(OEM model only)
CV Front cover sensor
RC Back cover sensor
PO Eject sensor
RM Registration front sensor
RA Registration rear sensor
MP MP paper empty sensor
30 Internal temperature
thermistor
DF Document detection sensor No document / Document set
DR First side document
scanning position sensor
AC ADF cover sensor
DB Second side document
scanning position sensor
(displayed / not displayed)
Paper tray 1 closed / Paper tray 1 open
Paper tray 2 closed / Paper tray 2 open
Paper tray 2 connected /
Paper tray 2 not connected
Beam obstructed / Beam not obstructed
Sensor pressed / Sensor not pressed
Ejected paper not yet full /
Ejected paper full
Front cover closed / Front cover open
Back cover closed / Back cover open
No paper / Paper set
No paper / Paper set
No paper / Paper set
No paper / Paper set
Temperature in the machine displayed
No document / Document set
ADF cover closed / ADF cover open
No document / Document set
5-16
Detection status
Confidential