Rap 10: Alarm Lamp On - OKIDATA Pacemark 3410 Service Manual

Page: 111
Service Guide PM3410
Chapter 4 Failure & Repair Analysis

RAP 10: ALARM Lamp ON

START.
Remove the front access cover.
Override the space motor interlock switch (left side).
Power ON the unit while overriding the cover open switch (right side).
Does the ALARM lamp light?
NO Correctly connect cable CN13 on the main logic board. Check the alignment between the front access
cover and the cover open switch. Replace the cover open microswitch/cable assembly.
YES Is the paper properly installed?
NO Install the paper properly.
YES Does the continuous form end microswitch function correctly?
NO Correctly connect CN103 on the interface connector board. Replace the sheet feeder assembly.
YES Does the single sheet end sensor function correctly?
NO Check that there is no dirt or dust on the sensor surface. Correctly connect CN1 on the sensor board.
Replace the sensor cable assembly.
YES Does the bottom feed paper end sensor function correctly?
NO Check that there is no dirt or dust on the sensor on the sensor board. Correctly connect cable CN4 on
the main logic board. Replace the sensor board.
YES Does the release lever microswitch function correctly?
NO Correctly connect cable CN9 on the main logic board. Replace the release lever microswitch and
cable assembly.
YES Replace the main logic board.
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