Ricoh FAX2900L Service Manual page 209

ERROR CODES
Code
0-20 Facsimile data not
received within
6 seconds of retraining
EOL signal (end-of-line)
0-21
from the other end not
received within 5 seconds
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: 0.2 seconds)
0-23 Too many errors during
reception
0-24 Printer failure occurred
while the memory was full
during non-ECM reception;
negative response
returned
0-29 Data block format failure in
ECM reception
Meaning Suggested Cause/Action
Check the line connection.
Check the FCU - NCU connectors.
Replace the NCU or 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), G3
Switch 08 (PABX)
Check the connections between the FCU, NCU,
& line.
Check for line noise or other line problems.
Replace the NCU or FCU.
The remote machine may be defective or may
have disconnected.
Cross-reference
Maximum interval between EOLs and ECM
frames - G3 Bit Switch 0A, bit 4
Check the line connection.
Check the FCU - NCU connectors.
Replace the NCU or 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.
Check the FCU - NCU connectors.
Replace the NCU, 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), G3
Switch 08 (PABX)
RX error criteria - Communication Switch 02,
bits 0 and 1
There is no memory space available, or
substitute reception is disabled.
Try asking the user to add optional extra
memory.
Check for line noise or other line problems.
Try receiving from another machine.
Replace the FCU.
7-28
21 May, 1999