Oki MC770 series Maintenance Manual - page 116
45376001TH Rev.1
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Oki Data CONFIDENTIAL
5. Maintenance Menu
5.2.1.3 Switch scan test
This self-diagnostic menu is used to check the entry sensor and the switch.
1. Enter the self-diagnostic mode (level 1) and press the [2], [8] key until "SWITCH
SCAN" is displayed in the upper row of the display area. (Pressing the [2] key
increments the test item and pressing the [8] key decrements the test item.)
Press [6] when displayed "SWITCH SCAN"
SWITCH SCAN
2. Press either the [2] or [8] key until the desired menu item corresponding to
the unit to be tested in Table 5-2 is displayed in the lower row of the display
area. (Pressing the [2] key increments the test item and pressing the [8] key
decrements the test item.)
3. Pressing the [6] key star ts the test. Name and present status of the
corresponding unit are displayed.
PAPER ROTE:PU
1=H 2=L 3=H 4=L
Activate the respective units. (Figure 5-1) Status of the respective units are
displayed on the corresponding areas of the LCD display. (Display changes
depending on each sensor. Refer to Table 5-2 for details.)
4. Press the [#] key to return to the status of step 2.
5. Repeat steps 2 to 4 as required.
6. Press the [4] key to exit the test. (Returns to the status of step 1.)
Figure 5-1 Switch and sensor location diagram
HT FRAME THERM
FUS THERM Upper center, side
Exit SNS
DUP Cover SNS
DUP IN SNS
IN SNS 2
WRITE SNS
REG L SNS
REG R SNS
DEN SNS
BELT THERM
TONER SNS K
RFID COLOR K
RFID COLOR Y
RFID COLOR M
RFID COLOR C
TONER SNS Y
TONER SNS M
TONER SNS C
FUS THERM LOW
ID Up/Down SNS
HUM/TEMP SNS
DUP BOTTOM SNS
DUP FRONT SNS
COVER OPEN SW
T2 END SNS
T1 END SNS
T2 IN SNS
T2 HOP SNS
T2 SIZE SW
T1 SIZE SW
IN SNS 1
STACKER FULL SNS
T3 END SNS
T3 IN SNS
T3 HOP SNS
T3 SIZE SW
T4 END SNS
T4 IN SNS
T4 HOP SNS
T4 SIZE SW
FU TRAY OPEN SW