5-16
Confidential
1.3.9 Check sensor operation (Function code 32)
<Function>
This function is used to check whether the sensors, solenoids, and clutches are operating normally.
<Operating Procedure>
(1) Press the [3], and then the [2] in the initial state of maintenance mode. For models
without keypad, press the [▲] or [▼] to display “MAINTENANCE 32” on the LCD and
press the [OK]. Following example is displayed on the LCD.
e.g.) CVRCPONT********
Buzzing sound comes out continuously from models with speaker.
Information related to the toner box is not displayed on the LCD when those are not connected.
(2) Pressing the [Start] or [Mono Start] 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 front cover or back cover,
remove the toner cartridge, or create paper jam at the exit.
(4) Press the [X]
or [Stop]
, 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.
*1
Available on models without toner box
*2
Available on models with toner box
*3
Available on models with handset
Note:
Press the [SET] or [OK] to stop the buzzing sound from the speaker.
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
*1
New toner/Toner cartridge
detect sensor
OFF/
Toner cartridge set
ON/
No toner cartridge
NP
*2
New process cartridge/process
cartridge detect sensor
OFF/
Process cartridge set
ON/
No process cartridge
NB
*2
New toner box/Toner box
cartridge detect sensor
OFF/
Toner box cartridge set
ON/
No toner box cartridge
NT
*2
Toner amount sensor Toner not full Toner full
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
MP MP paper empty sensor No paper Paper set
P1 Paper empty sensor No paper Paper set
DF Document detection sensor No document Document set
DR Document scanning position
sensor
No document Document set
AC ADF cover sensor ADF cover closed ADF cover open
HK
*3
Hook switch On hook Off hook
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