Fax error messages on the printer control panel
Error Message: What it indicates: Possible solutions:
Remote Fax Error The receiving fa x machine can not
receive the fax. The error on the
receiving end could be due to several
factors.
•Resend the fax. There may have
been a problem with the quality of
the connection.
•Decrease the transmission speed of
your fax modem.
•Register your user information. In
some countries, you cannot send a
fax without registering your fax
name and fax number. Some fax
machines also block faxes withou t
sender information.
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.
Troubleshooting 156