Lexmark MX912dxe - Page 200

Error code Description Action
4XX Error occurred when sending image data.
• Check line quality.
• Adjust ‘Transmit Level’.
• Select a lower ‘Max Speed’ value under
Fax Receive settings.
5XX Received unknown response from remote fax
device.
No action needed. Issue is with the other
device.
6XX Error occurred when receiving a frame.
• Check line quality.
• Adjust ‘Receive Threshold’.
7XX Error occurred when sending a frame.
• Check line quality.
• Adjust ‘Transmit Level’.
• Select a lower ‘Max Speed’ value under
Fax Send settings.
800 Received EOT unexpectedly from the modem in
V34 mode.
If error persists, then disable V34 modulation
scheme.
802 Too many timeouts occurred during ECM
reception.
If error persists, then disable ECM mode.
803 Fax cancelled by user No action needed.
804 Unexpectedly received a disconnect command
from the remote end.
• Check line quality.
• Adjust Transmit Level/Receive Threshold
values.
• Remote device could be requesting an
unsupported feature.
805 Remote fax device failed to respond to the DCS
command.
• Adjust Transmit Level/Receive Threshold
values.
• Remote device could be malfunctioning.
808 T1 timeout occurred when trying to establish a
connection with a remote fax device.
Adjust Transmit Level/Receive Threshold
values.
809 T2 Timeout occurred due to loss of
command/response synchronization.
Adjust Transmit Level/Receive Threshold
values.
80A T5 Timeout occurred when transmitting image
data to remote fax device.
• Check line quality.
• Adjust ‘Transmit Level’.
• Select a lower ‘Max Speed’ value under
Fax Send settings.
80B Too many errors when transmitting in ECM
mode.
• Check line quality.
• Adjust ‘Transmit Level’.
• Select a lower ‘Max Speed’ value under
Fax Send settings.
80C Remote device failed to respond to the CTC
command.
• Select a lower ‘Max Speed’ value under
Fax Send settings.
• Adjust ‘Transmit Level’.
7421
Diagnostic information
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