OKIDATA OF2200, Service Manual

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Service Guide OF2200/2400/2600
Chapter 2 Failure Analysis
RAP 04 Local Copy Problem
START
Perform the Self Diagnosis Test. Are the results satisfactory?
NO Refer to RAP 03.
YES Load a document.
Does the document reach PC1 photocoupler?
NO Perform each of the following until the problem is resolved.
Check PC1.
Replace the main control board.
Verify that the scan motor assembly is operating properly.
YES Is the document fed about three inches and stops with
"SELECT LOCATION" displayed on the LCD?
NO Perform each of the following until the problem is resolved.
Check PC2.
Replace the main control board.
YES Go to the next step listed below.
Press the COPY key. Is the copied document all black?
YES Verify that -12 vdc is present at Pin 9 of CN2 of the power supply board.
If the voltage is not present, replace the power supply board.
NO Is the quality of the copy acceptable?
YES End of procedure.
NO Perform a Scan Adjustment.
Has the problem been resolved?
YES End of procedure.
NO Perform each of the following until the problem is resolved.
Replace the main control board.
Replace the contact image sensor assembly.
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