Ricoh D146 Service Manual page 1827

Code
0-16 CFR or FTT not detected after
modem training in confidential
or transfer mode
0-17 Communication was
interrupted by pressing the
Stop key
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
SM
Meaning Suggested Cause/Action

Check the line connection.

Replace the FCU.

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.
If the Stop key was not pressed and this error
keeps occurring, replace the operation panel or
the operation panel drive board.

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
51 D163