44952001TH Rev.2
5-17
Oki Data CONFIDENTIAL
5. MAINTENANCE MENUS
5.4.3 Switch scan test
The switch scan test is used for input sensor and switch checking.
1. Enter the self-diagnostic mode (level 1) and, until SWITCH SCAN appears
on the upper display, press [2] or [8] ([2] displays the next test option and [8]
displays the preceding test option). Then press the [6] button.
SWITCH SCAN
2. Press [2] or [8] until the option for unit(s) to test, which is shown in table 5-3,
appears on the lower display ([2] displays the next option and [8] displays the
preceding option).
3. Press the [6] button. The switch scan test starts, the unit(s)’ name(s) and current
status(es) being displayed.
PAPER ROTE:PU
1=H 2=L 3=H 4=L
Operate the unit(s) (Figure 5-1). Display information in the appropriate area(s) of
the LCD display [the information varies depending on the sensor(s)].
4. Press the [#] button to restore the state for step 2.
5. Repeat steps 2 through 4 when necessary.
6. Press [4] to end the test (the state for step 1 is restored).
Y
M
C
K
Fuser thermistor-
upper
Toner sensor Y
Toner sensor M
Toner sensor C
Toner sensor K
Tag IC K
Tag IC C
Tag IC M
Tag IC Y
Heater frame thermistor
Image drum up-down sensor
Cover-open switch
Temperature
and humidity
sensor
Write sensor
Entrance
sensor
Tray-1
hopping
sensor
Tray-1 detection sensor
Tray-1
paper-end
sensor
Tray-2
entrance
sensor
2nd tray hopping sensor
Tray-2 paper-end sensor
Duplex front sensor
Color registration sensor and density sensor
Exit sensor
Fuser thermistor-lower
Duplex rear
sensor
Figure 5-1
