Canon imageCLASS MF6540 Basic Operation Manual page 217

Error Code
#0005 –
–
#0009
The paper has run out or the paper
cassette is not set properly.
#0012
You could not send because the other
party's fax machine is out of paper.
#0018 There is no reply when you redial.
You could not send, because your fax
signal was not returned as the other
party's line was engaged.
#0037
The memory is full.
#0995
Communication reservation is
cleared.
11-14
Description
The other fax machine did not
respond within 35 seconds.
The other party may not be using a
G3 fax machine.
Action
– Send the document again. Contact
the other party and have them
check their fax machine. If you
are making an overseas call, add a
pause to the number.
– Check with the other party and
send the document to a G3 fax
machine. If the other party does
not have a G3 fax machine, try
sending your document using
a transmission mode the other
party's fax machine supports.
Load the paper or reset the paper
cassette properly.
Contact the other party and ask them
to load the paper.
Check that the other party's line is
not engaged and try again from the
beginning.
Print, send, or delete any documents
stored in memory.
If necessary, try again from the
beginning.