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Service Manual for OF5800
Chapter 4 Troubleshooting Procedures
Symptom: The unit will not transmit
Suggested corrective action:
1. Verify the telephone line cord is properly installed and plugged into the correct type of wall jack.
2. Check for dial tone at the unit and at the wall jack. If no dial tone is present at the unit, check fuses PS1
and PS2 on the NCU pcb.
3. Verify that the correct telephone number has been dialed or that the correct telephone number is
programmed in the autodialer.
4. Insure Security TX turned off.
5. Place a call through the monitor and check for excessive noise or interference on the telephone line.
6. Verify that the remote location is capable of receiving by checking the following:
6.1. Place a call to the remote machine and verify that it auto answers.
6.2. Insure that the remote machine does not have closed network or block junk fax turned on.
6.3. Transmit to another location.
7. Check the operation of the NCU pcb and the main control pcb.
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)