5-11
Confidential
1.3.7 Check sensor operation (Function code 32)
<Function>
This function is used to check that sensors are operating normally.
<Operating Procedure>
(1) Press the [▲] or [▼] in the initial state of maintenance mode to display “MAINTENANCE
32” on the LCD, and press the [OK]. “CVRCPONT********” is displayed on the LCD.
The table below summarizes the displays on the LCD, sensor names and detection status.
(2) 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/rear sensor, open the front cover or back cover, remove the toner cartridge,
or create paper jam at the exit.
(3) When you press and hold the [Go] for five seconds, this operation is finished and the
machine returns to the initial state of maintenance mode.
LCD Sensor name
Detection status
With display No display
CV Front cover sensor Front cover closed Front cover open
RC
Back cover/duplex tray sensor Back cover closed and
Duplex tray set
Back cover open and
No duplex tray
PO Eject sensor No paper Paper set
NT
New toner/Toner cartridge
detect sensor
OFF/
Toner cartridge set
ON/
No toner cartridge
C1
Paper feed sensor T1 closed and
No paper
T1 open and
Paper set
RM Registration front sensor No paper Paper set
RA Registration rear sensor No paper Paper set
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