Ricoh FACSIMILE FAX77 Field Service Manual page 159

Code Meaning
0-16 CFR or FTT not detected after
modem training in confidential or
transfer mode (G3 mode)
0-20 Facsimile data not received within
6 s of retraining (G3 mode)
End-of-line signal (EOL) from the
0-21
other end not received at the cor-
rect time (G3 mode)
0-22 Signal from other end was inter-
rupted for more than 0.2 s (G3
mode)
Suggested Cause/Action
1. Check line connection.
2. Check connectors from FCU to modem and NCU.
3. Replace the NCU, FCU, or modem.
4. Try adjusting the tx level (use bit switch 3, or a dedicated tx
parameter for that address).
5. The other end may have disconnected, or it may be
defective.
6. If the rx signal level is too low, there may be a line problem.
1. Check line connection.
2. Check connectors from FCU to modem and NCU.
3. Replace the NCU, FCU, or modem.
4. Check for line problems.
1. Check line connection.
2. Check connectors from FCU to modem and NCU.
3. Replace the NCU, FCU, or modem.
4. Remote machine may be defective or may have discon-
nected.
5. Check for line problems.
1. Check line connection.
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.
5-17