Oki C9850 Maintenance Manual page 144

5.1.2.4 Motor/Clutch Test
This self-diagnosis routine is used to test the motor and clutch.
Continue to press the [MENU+] or [MENU-] keys until "Motor & Clutch Test"
1.
appears at the top of the display and the operation enters the self-diagnosis (Level 1)
mode. Press Enter
The [MENU+] key = Increment Test Item / the [MENU-] key = Decrement Test Item.
2. The following message appears when the [ENTER] is pressed. The suitable location
of the unit to be tested as shown in Table 5-2 will appear at the bottom of the
display.
Press the [MENU+] or [MENU-] keys.
The [MENU+] key = Increment Test Item / the [MENU-] key = Decrement Test Item.
MOTOR & CLUTCH TEST
PK – ID MOTOR
3. Press the [ENTER] key to start the test. The name of the unit will start blinking. Then
the applicable unit will drive for 10 seconds.
Note!
• To drive the applicable unit, there is a need to clear the drive limitational conditions
indicated in Table 5-2. Launching a state drive that doesn't clear the limitation con-
ditions is invalid. When this happens the clear information is displayed at the bot-
tom of the display.
• The clutch solenoid generally repeats ON/OFF with regular printer driver. (models
that do not drive independently due to its mechanical structure will come be driven
by a motor.)
4. Press the [CANCEL] key to stop the applicable unit drive. (maintain the display of the
applicable unit, at this time)
5. Accordingly repeat Steps 2 to 4.
6. Press the [BACK] key to end the test. (Returns to state 1)
43627911TH Rev. 3
After driving for 10 seconds, it will return to State 2. The drive will start
again by re-pressing the applicable switch.
Oki Data CONFIDENTIAL
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