User guide
LCD Display Error Messages 7-9
7
INCOMPATIBLE • Remote machine did 
not have the 
requested feature, 
such as Polling.
• The remote machine 
has insufficient 
memory to complete 
the operation you are 
attempting.
Confirm the features of 
the remote party’s 
machine.
Try sending the fax to a 
another fax machine. 
DOCUMENT JAM The document jammed 
in the paper feeder.
Refer to Clearing Jams 
on page 7-2 to remove 
any jammed paper.
DOOR OPEN The cover is not 
securely latched.
Press down on the cover 
until it snaps in place.
GROUP NOT 
AVA I LABLE
You have tried to select 
a group location where 
only a single location 
number can be used.
Group Location Feature 
is not available.
LINE ERROR Your machine cannot 
connect with the remote 
site, or it has lost contact 
because of a problem on 
the phone line.
• Try again. If the 
failure persists, wait 
an hour or so for the 
line to clear, then try 
again.
• Turn on ECM mode. 
See User Options 
(System Data) on 
page 1-51.
LCD Display Meaning Solution
Print the 480cx User Guide










