5-15
Confidential
1.3.8 Check sensor operation (Function code 32)
< Function >
This function is used to check whether the sensors are operating normally.
< Operating Procedure >
(1) For models with touch panel
Press the [3], and then the [2] in the initial state of maintenance mode. Following example
is displayed on the LCD.
For models without touch panel
Press the [▲] or [▼] in the initial state of maintenance mode to display
“MAINTENANCE 32” on the LCD, and press the [OK]. Following example is displayed
on the LCD.
e.g.) RCCVC1MPMRPORMRA
(2) Pressing the [Mono Start] or [Go] changes the display to the next item.
(3) Change the conditions subject to sensor detection shown below 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 top cover or back cover, remove
the toner cartridge, or create paper jam at the exit.
(4) Press the [X] or [Cancel], and the machine returns to the initial state of maintenance
mode.
<Sensor check>
The table below summarizes the displays on the LCD, sensor names and detection status.
LCD Sensor name
Detection status
With display No display
RC Back cover sensor Back cover closed Back cover open
CV Top cover sensor Top cover closed Top cover open
C1 T1 paper feed sensor T1 closed T1 open
MP Manual feed paper empty
sensor
No paper Paper set
PO Eject sensor No paper Paper set
RM Registration front sensor No paper Paper set
RA Registration rear sensor No paper Paper set
MACxx Internal temperature sensor XX °C NG
OTxx External temperature sensor XX °C NG
OHxx External humidity sensor XX% NG
Note:
If the temperature/humidity sensor detects the unusual value, the machine displays “NG” on
the LCD.
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