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Error Message: What it indicates: Possible solutions:
Fax Mode Unsupported
The receiving fax machine does not
support color fax or the scan
resolution of the document that you
are sending.
• Enable Auto Fax Conversion. The
printer automatically converts
color faxes to black and lowers the
scan resolution of the document.
• Lower the fax quality.
• Reformat the document on
Letter-size paper.
Unsupported Compression
The fax modem of the receiving fax
machine does not support data
compression. Fax modems compress
data to speed up transmission, but the
receiving fax modem needs to have
the same compression code.
• Lower the transmission speed of
the fax modem, and then resend
the fax.
• Enable Auto Fax Conversion.
Unsupported Resolution
The receiving fax machine does not
support the scan resolution of the
document that you are sending.
• Lower the fax quality.
• Enable Auto Fax Conversion.
Unrecoverable Fax Error
The fax modem encountered critical
errors.
Turn off the printer, turn it back on, and
then resend the fax.
Fax Modem Error
The fax modem of the printer may be
busy, or the fax modem may have
encountered problems during
transmission.
Turn off the printer, turn it back on, and
then resend the fax.
Phone Line is connected to
the incorrect jack on the
back of the machine.
The telephone cable is connected to
the wrong port on the back of the
printer.
Connect the phone cable to the port
on the back of the printer.
Digital line detected
The printer is connected to a digital
line.
The printer is an analog device and
must be connected to an analog line.
To connect the printer to a digital line,
you must use a digital line converter or
a filter.
For more information, see the ”Setting
up the printer to fax” section.
Failed to Connect
Phone Line Error
Phone Line Not Connected
The printer cannot detect a dial tone. See the “Fax troubleshooting
checklist.”
Troubleshooting
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