Rap 13 Multi-Frequency Send Test Failure - OKIDATA OF2600 Service Manual

RAP 13 Multi-frequency Send Test Failure

START
Detach the phone line from the unit.
Remove the right side and rear covers.
Set up an oscilloscope as listed below.
Set the time / div to .5 ms / division. Set Channel 1 volts / div to .1 volt / division.
Perform MF Send Test.
Place the oscilloscope probe on pin 1 of CN3 on the main control board.
Is a .15 v analog signal present?
YES Replace the speaker.
NO Replace the main control board.
Is the problem resolved?
YES End of procedure.
NO Replace the operator panel assembly.
Is the problem resolved?
YES End of procedure.
NO Contact Okidata Technical Support.
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Service Guide OF2200/2400/2600
Chapter 2 Failure Analysis
Page: 61