OKIDATA Pacemark 3410 Service Manual page 170

Page: 108
Service Guide PM3410
Chapter 4 Failure & Repair Analysis
RAP 07: Line Feed Problem
START.
Place the release lever in the cut-sheet feed position.
Manually rotate the platen knob.
Does it rotate smoothly?
YES Place the release lever in the tractor feed position.
Rotate the platen knob.
Does it smoothly rotate?
NO Check the synchronization of the push tractor assemblies.
Replace the right or left push tractor, as necessary.
YES Go to A.
NO Replace the line feed motor.
A
Is the cable to CN6 on the main logic board connected correctly?
NO Connect it correctly.
YES Is the cable to CN101 on the interface connector board connected correctly?
NO Connect it correctly.
YES Is the cable to CN102 on the interface connector board connected correctly?
NO Connect it correctly.
YES Replace the main logic board.
Is the problem resolved?
YES End of procedure
NO Replace the line feed motor.
Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business
Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)