OKI OKIFAX 5500
Manual de Servicio

Troubleshooting flow chart 8:

The blank background is smeared.

Has the Image Drum been exposed to external light? No

Yes

Close and wait for about 30 minutes.

Is the heat roller of the fuser unit dirty? No

Yes

Clean it.

Is the contact of the cleaning roller of the EP unit in contact with the contact assembly properly? No

Yes

Adjust the contact of the cleaning roller to contact the contact assembly properly.

Replace the EP unit or PWU-HV Board MCNT Board

Troubleshooting flow chart 9:

Blank paper is output

Is the LED head connected properly? (Check connector CN14 on the MCNT Board.) Yes Is the EP unit set properly? Yes No

No

Connect the LED print head properly.

Set the EP unit properly.

Replace the LED head, Power Supply Unit or MCNT Board.

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