Oki OKIOFFICE 120, Maintenance Manual

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4-3
4.4 Document Feeder Multi-feeding or Skew
Symptom: Two or more pages of a multi-page document are fed at once.
The document is fed on the skew. Slight skewing may sometimes occur.
Suggested corrective action:
1. Verify that the original documents conform to the specifications designed for use in the machine
and they are not damaged in any way.
2. Verify the pages of the document are not stuck together from glue, wet or damp correction fluid,
tape, etc.
3. Verify the feed roller, separator roller and retard roller are clean and not damaged. Clean using a
lint-free cotton cloth moistened with a cleaning solution designed for on rubber rollers. Replace
these items if worn or damaged.
4.5 Mirror Carriage Error
Symptom: The mirror carriage doesn’t move.
Suggested corrective action:
1. Verify that the four transport screws have been removed. Remove four transport screws if they are
not removed. Then press program, *, E to turn off the mirror carriage carry mode.
2. Check the setting of unique SW E:2, bit 0-1.
3. Verify that the timing belt doesn’t out of joint.
4. Check the operation of HOME sensor at connector P11, pin 1-3, on the connect PCB. (See page
2-1.)
5. Check the operation of END sensor at connector P12, pin 1-3, on the connect PCB. (See page 2-
1.)
4.6 Transmit Error
Symptom: Check message prints after attempting transmission.
Suggested corrective action:
1. Reference the error code on the check massage or the journal to the error code list contained in
this section.
4.7 Transmit Black Lines
Symptom: A black line appears on all documents transmitted or copied.
Suggested corrective action:
1. Print a document from memory (mode list, journal, etc.) to determine if the problem is in the
scanner. If the black line in not on the memory print outs, the problem is not in the scanner.
2. Check for a foreign object in the feeder.
3. Clean the contact glass.
4. Check for wire or other foreign object obstructing the light path to the CCD.