Ricoh B230 Service Manual page 991

Code Meaning
confidential or transfer
mode
0-20 Facsimile data not
received within 6 s of
retraining
0-21 EOL signal (end-of-line)
from the other end not
received within 5 s of the
previous EOL signal
0-22 The signal from the other
end was interrupted for
more than the acceptable
modem carrier drop time
(default: 200 ms)
0-23 Too many errors during
reception
SM
Suggested Cause/Action
Try adjusting the tx level and/or cable
equalizer settings.
The other end may have disconnected, or it
may be defective; try calling another machine.
If the rx signal level is too low, there may be a
line problem.
Cross reference
See error code 0-08.
Check the line connection.
Replace the FCU.
Check for line problems.
Try calling another fax machine.
Try adjusting the reconstruction time for the
first line and/or rx cable equalizer setting.
Cross reference
Reconstruction time - G3 Switch 0A, bit 6
Rx cable equalizer - G3 Switch 07 (PSTN)
Check the connections between the FCU and
line.
Check for line noise or other line problems.
Replace the FCU.
The remote machine may be defective or may
have disconnected.
Cross reference
Maximum interval between EOLs and between
ECM frames - G3 Bit Switch 0A, bit 4
Check the line connection.
Replace the FCU.
Defective remote terminal.
Check for line noise or other line problems.
Try adjusting the acceptable modem carrier
drop time.
Cross reference
Acceptable modem carrier drop time - G3 Switch
0A, bits 0 and 1
Check the line connection.
Replace the FCU.
Defective remote terminal.
Check for line noise or other line problems.
Try asking the other end to adjust their tx
level.
Try adjusting the rx cable equalizer setting
and/or rx error criteria.
Cross reference
Rx cable equalizer - G3 Switch 07 (PSTN)
Rx error criteria - Communication Switch 02, bits 0
and 1
19
Error Codes
B786