Ricoh FACSIMILE FAX77, Field Service Manual

Page: 161 / 197

Code
Meaning
Suggested Cause/Action
0-55 Message carrier cut for more than
1. Check line connection.
0.5 s.
2. Check connectors from FCU to modem and NCU.
3. Replace the NCU, FCU, or modem.
4. Defective remote terminal.
5. Check for line problems.
0-56 EOM signal (2100 Hz) carrier not
1. Check connectors from FCU to modem and NCU.
dropped
2. Replace the NCU, FCU, or modem.
3. Check for line problems.
4. Check the CFR/MCF turn-off timing from the line on an os-
cilloscope.
5. Incompatible or defective remote terminal.
0-61 Facsimile data signal not received
1. Check line connection.
at the correct time (G2 mode) 2. Check connectors from FCU to modem and NCU.
3. Replace the NCU, FCU, or modem.
4. Check phasing signal timing.
5. Defective or incompatible remote terminal.
6. Check for line problems.
0-62
Phasing failed (G2 mode) 1. Check line connection.
2. Check connectors from FCU to modem and NCU.
3. Replace the NCU, FCU, or modem.
4. Check phasing signal timing.
5. Defective or incompatible remote terminal.
6. Check for line problems.
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