Konica Minolta bizhub 4020 Service Manual page 179

Error code Description
884 Failure to transmit training successfully in V29, V27
terminal modulation schemes.
885 Failure to transmit training successfully in V17
terminal modulation scheme.
886 Failure to transmit training successfully in V29
terminal modulation scheme.
887 Failure to transmit training successfully in V27
terminal modulation scheme.
888 Failure to transmit training successfully at 2400 bps in
V27 terminal modulation scheme.
889 Failed to connect at the minimum speed supported by
the MFP.
88A Failed to connect using V.34 modulation scheme.
901 No fax tones detected from remote end.
902 No dial tone detected.
bizhub 4020/3320 Service Manual
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Action

Select a lower "Max Speed" under
Fax Send settings.

Adjust the "Transmit Level".

Check line quality.

Select a lower "Max Speed" under
Fax Send settings.

Adjust the "Transmit Level".

Check line quality.

Select a lower "Max Speed" under
Fax Send settings.

Adjust the "Transmit Level".

Check line quality.

Select a lower "Max Speed" under
Fax Send settings.

Adjust the "Transmit Level".

Check line quality.

Adjust "Transmit Level".

Check line quality.

Adjust "Transmit Level".

Incompatible connection.

Check line quality.

Adjust to a lower modulation
scheme.

Adjust Transmit Level Receive
Threshold values.

Verify destination phone number.

Verify that the remote fax is
authorized to receive faxes.

Check by enabling 'Behind a PABX'
setting.

Check phone line.

Check MFD modem hardware.