Oki OL1200 Service Manual page 163

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From on the preceding page .
From on the preceding page .
Yes
Yes
feeder assembly. In case of paper feed from the tray, check the hopping roller assembly and the tray.
Yes Has the paper reached the outlet sensor lever?
Yes
Yes
Diagram.)
Is the printer recovered?
YES END.
No Is the drum motor rotating?
No
No
and CN6 connectors and drum motor, and for POWER connector and FRONT connector (white 9-pin or
7-pin connector) on the Control board made properly?
Yes
4 : 4.3 W) of the drum motor normal?
Yes
Is the printer recovered?
Is the image drum set properly?
No Set the image drum properly.
In case of paper feed from the front feeder, check the hopping roller of the front
Does the outlet sensor lever operate smoothly?
No Replace the outlet sensor lever.
Clean the outlet sensor on the Power/sensor board. (See Fig. 2-3 Sensor Layout
No Replace the Power/sensor board.
Is there any defective gear in the motor bracket assembly?
Yes Replace the defective gear.
Are the connections for CN3 connector on the Power/sensor board between CN8
No Connect these connectors properly.
Is the coil resistance (normal resistance between pins 1 and 2, between pins 3 and
No Replace the drum motor.
Replace the driver board.
No Replace the Control board.