M126/M127/M128 6-48 SM
Error code Description Action
886
Failure to transmit training
successfully in V29 terminal
modulation scheme.
Select a lower “Max Speed”
under Fax Send settings.
Adjust the “Transmit Level”.
Check line quality.
887
Failure to transmit training
successfully in V27 terminal
modulation scheme.
Select a lower “Max Speed”
under Fax Send settings.
Adjust the “Transmit Level”.
Check line quality.
888
Failure to transmit training
successfully at 2400 bps in V27
terminal modulation scheme.
Adjust “Transmit Level”.
Check line quality.
889
Failed to connect at the minimum
speed supported by the machine.
Adjust “Transmit Level”.
Incompatible connection.
88A
Failed to connect using V.34
modulation scheme.
Check line quality.
Adjust to a lower modulation
scheme.
Adjust Transmit Level Receive
Threshold values.
901
No fax tones detected from remote
end.
Verify destination phone
number.
Verify that the remote fax is
authorized to receive faxes.
902 No dial tone detected.
Check by enabling ‘Behind a
PABX’ setting.
Check phone line.
Check MFD modem
hardware.
903 Busy tone detected.
Check with remote end if
successive attempts fail.
904 Hardware error detected.
See “Modem / Fax Card Service
Check” in “Troubleshooting”.