Brother HL-5450DN - Check Sensor Operation (Function Code: 32)

5-14
Confidential
1.3.8 Check sensor operation (function code: 32)
<Function>
This function is to check that the sensors are operating normally.
<Operation Procedure>
(1) Press the [ ] or [ ] button in the initial state of maintenance mode to display
"Maintenance 32" on the LCD.
(2) Press the [OK] button. The sensor operating conditions defined in the table below are
applied. For example, when paper tray 2 is set, "C1C2T2TNNT**" (1st group) is
displayed on the LCD. When paper tray 2 is not set, "C1****TNNT**" is displayed.
(3) Pressing the [Go] button displays the next group.
The table below summarizes the displays on the LCD, sensor names and detection status.
(4) 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.
(5) Operate the sensor from OFF to ON as below to check the operation of the corresponding
solenoid or clutch.
(6) When the [Cancel] button is pressed, this operation is finished, and the machine returns
to the initial state of maintenance mode.
LCD Sensor names
Detection status
(displayed / not displayed)
Group 1 C1 T1 paper feed sensor Paper tray 1 closed / Paper tray 1 open
C2 T2 paper feed sensor Paper tray 2 closed / Paper tray 2 open
T2 T2 connect sensor Paper tray 2 connected /
Paper tray 2 not connected
TN Toner sensor Beam obstructed / Beam not obstructed
NT New toner sensor Sensor pressed / Sensor not pressed
Group 2 CV Front cover sensor Front cover closed / Front cover open
RC Back cover sensor Back cover closed / Back cover open
PO Eject sensor No paper / Paper set
RM Registration front sensor No paper / Paper set
RA Registration rear sensor No paper / Paper set
MP MP paper empty sensor No paper / Paper set
Sensor operation Solenoid/clutch operation
Change T1 paper feed sensor from OFF to
ON.
The T1 clutch remains ON for the specified
time.
Change MP paper empty sensor from OFF
to ON.
The MP solenoid remains ON for the
specified time.
Change registration front sensor from OFF
to ON.
The duplex solenoid remains ON for the
specified time.
Change registration rear sensor from OFF to
ON.
The registration clutch remains ON for the
specified time.
Change new toner sensor from OFF to ON. The develop clutch 51R remains ON for the
specified time.